Professor Andrew P Roberts

Professor
Dean, College of Physical and Mathematical Sciences
Peter Baume Building, 42 Daley Road
 +61 2 61253887

Profile

Qualifications

BSc(Hons), PhD, DSc

Biography

August 2012 - present: Dean, College of Physical and Mathematical Sciences, The Australian National University, Canberra, Australia.
February 2010 - August 2012: Director, Research School of Earth Sciences, The Australian National University, Canberra, Australia.
February 2010 - present: Professor, Research School of Earth Sciences, The Australian National University, Canberra, Australia.
August 2005 - July 2009: Head, School of Ocean & Earth Science and Associate Director, National Oceanography Centre, Southampton, University of Southampton, UK.
September 1996 - February 2010: Lecturer (1996-1999), Reader (1999-2003), Professor (2003-2010), School of Ocean and Earth Science (formerly the Department of Oceanography), National Oceanography Centre (formerly the Southampton Oceanography Centre), University of Southampton, UK.
April 1993 - August 1996: Assistant Research Geophysicist and Lecturer, Department of Geology, University of California, Davis, USA.
July 1991 - March 1993: Post-Doctoral Researcher, Department of Geology, University of California, Davis, USA.
January 1991 - July 1991: Post-Doctoral Researcher, Centre des Faibles Radioactivités, Gif-sur-Yvette, France.
 
Honours
2013: Honorary Fellow, Royal Society of New Zealand
2013: Fellow, American Geophysical Union
2011 - 2015: Guest Professor, Center for Advanced Marine Core Research, Kochi University, Japan
2010 - present: Listed in Who’s Who in the World
2009: Japan Society for the Promotion of Science Senior Invited Fellow
2009: Fellow, Royal Society of Arts (London)
2001: Philip Leverhulme Prize
2000: U.S. National Science Foundation Antarctic Service Medal
1989: Royal Society of New Zealand Young Scientists’ Award

 

Research

Research interests

Paleomagnetism, environmental magnetism and rock magnetism, with applications in: geomagnetic field behaviour, climate change, diagenesis, mineral magnetism, geochronology, and tectonics.

Supervision

Current students

Publications

Refereed Journal Papers

201. Li, X.W., H. Ao, M.J. Dekkers, A.P. Roberts, P. Zhang, S. Lin, W.W. Huang, Y.M. Hou, W.H. Zhang & Z.S. An, Early Pleistocene occurrence of Acheulian technology in north China, Quaternary Science Reviews, 156: 12-22, 2017.

200. Chang, L., A.P. Roberts, D. Heslop, A. Hayashida, J.H. Li, X. Zhao, W. Tian & Q.H. Huang, Widespread occurrence of silicate-hosted magnetic mineral inclusions in marine sediments and their contribution to paleomagnetic recording, Journal of Geophysical Research, 121: doi:10.1002/2016JB013109, 2016.

199. Heslop, D. & A.P. Roberts, Analyzing paleomagnetic data: to anchor or not to anchor?, Journal of Geophysical Research, 121: doi:10.1002/2016JB013387, 2016.

198. Chang, L., C.T. Bolton, M.J. Dekkers, A. Hayashida, D. Heslop, W. Krijgsman, K. Kodama, G.A. Paterson, A.P. Roberts, E.J. Rohling, Y. Yamamoto & X. Zhao, Asian monsoon modulation of nonsteady state diagenesis in hemipelagic marine sediments offshore of Japan, Geochemistry Geophysics Geosystems, 17: doi:10.1002/2016GC006344, 2016.

197. Jiang, Z.X., Q.S. Liu, M.J. Dekkers, V. Barrón, J. Torrent & A.P. Roberts, Control of Earth-like magnetic fields on the transformation of ferrihydrite to hematite and goethite, Scientific Reports, 6: 30395, doi:10.1038/srep30395, 2016.

196. Jiang, Z.X., Q.S. Liu, X. Zhao, A.P. Roberts, D. Heslop, V. Barrón & J. Torrent, Magnetism of Al-substituted magnetite reduced from Al-hematite, Journal of Geophysical Research, 121: 4195-4210, 2016.

195. Hu, P.X., Z.X. Jiang, Q.S. Liu, D. Heslop, A.P. Roberts, J. Torrent & V. Barrón, Estimating the concentration of aluminium-substituted hematite and goethite usingdiffuse reflectance pectrometry and rock magnetism: feasibility and limitations, Journal of Geophysical Research, 121: 4180-4194, 2016.

194. Wang, B., G.W. Zhang, S.Z. Li, Z.Y. Yang, A.P. Roberts, Q. Zhao & Z.Y. Wang, Early Carboniferous paleomagnetic results from the northeastern margin of the Qinghai-Tibetan Plateau and their implications, Gondwana Research, 36: 44-51, 2016.

193. Heslop, D. & A.P. Roberts, Estimation and propagation of uncertainties associated with paleomagnetic directions, Journal of Geophysical Research, 121: 2274-2289, 2016.

192. Ao, H., A.P. Roberts, M.J. Dekkers, X.D. Liu, E.J. Rohling, Z.G. Shi, Z.S. An & X. Zhao, Late Miocene-Pliocene Asian monsoon intensification linked to Antarctic ice sheet growth, Earth and Planetary Science Letters, 444: 75-87, 2016.

191. Chang, L., D. Heslop, A.P. Roberts, D. Rey & K.J. Mohamed, Discrimination of biogenic and detrital magnetite through a double Verwey transition temperature, Journal of Geophysical Research, 121: 3-14, 2016.

190. Ao, H., P. Zhang, M.J. Dekkers, A.P. Roberts, Z.S. An, Y.X. Li, F.Y. Lu, S. Lin & X.W. Li, New magnetochronology of Late Miocene mammal fauna, NE Tibetan Plateau, China: mammal migration and paleoenvironments, Earth and Planetary Science Letters, 434: 220-230, 2016.

189. Savian, J.F., L. Jovane, M. Giorgioni, F. Iacoviello, D. Rodelli, A.P. Roberts, L. Chang, F. Florindo & M. Sprovieri, Environmental magnetic implications of magnetofossil occurrence during the Middle Eocene Climatic Optimum (MECO) in pelagic sediments from the equatorial Indian Ocean, Palaeogeography, Palaeoclimatology, Palaeoecology, 441: 212-222, 2016.

188. Ohneiser, C., F. Florindo, P. Stocchi, A.P. Roberts, R.M. DeConto & D. Pollard, Antarctic glacio-eustatic contributions to late Miocene Mediterranean desiccation and reflooding, Nature Communications, 6: 8765, doi:10.1038/ncomms9765, 2015.

187. Roberts, A.P., Magnetic mineral diagenesis, Earth-Science Reviews, 151: 1-47, 2015.

186. Abrajevitch, A., E. Font, F. Florindo & A.P. Roberts, Asteroid impact vs. Deccan eruptions: the origin of low magnetic susceptibility beds below the Cretaceous-Paleogene boundary revisited, Earth and Planetary Science Letters, 430: 209-223, 2015.

185. Liu, Q.S., C.S. Jin, P.X. Hu, Z.X. Jiang, K.P. Ge & A.P. Roberts, Magnetostratigraphy of Chinese loess-paleosol sequences, Earth-Science Reviews, 150: 139-167, 2015.

184. Florindo, F., R. Gennari, D. Persico, E. Turco, G. Villa, P.C. Lurcock, A.P. Roberts, A. Winkler, L. Carter & S.F. Pekar, New magnetobiostratigraphic chronology and paleoceanographic changes across the Oligocene-Miocene boundary at DSDP Site 516 (Rio Grande Rise, SW Atlantic Ocean), Paleoceanography, 30: 659-681, 2015.

183. Zhao, X., D. Heslop & A.P. Roberts, A protocol for variable-resolution first-order reversal curve measurements, Geochemistry Geophysics Geosystems, 16: 1364-1377, 2015.

182. Marino, G., E.J. Rohling, L. Rodríguez-Sanz, K.M. Grant, D. Heslop, A.P. Roberts, J.D. Stanford & J. Yu, Bipolar seesaw control on last interglacial sea level, Nature, 522: 197-201, 2015.

181. Lowe, J., C. Bronk Ramsey, R.A. Housley, C.S. Lane, E.L. Tomlinson, RESET Team (incl. A.P. Roberts), and RESET Associates, The RESET project: constructing a European tephra lattice for refined synchronisation of environmental and archaeological events during the last c. 100 ka, Quaternary Science Reviews, 118: 1-17, 2015.

180. Larrasoaña, J.C., A.P. Roberts, Q.S. Liu, R. Lyons, F. Oldfield, E.J. Rohling & D. Heslop, Source-to-sink magnetic properties of NE Saharan dust in Eastern Mediterranean marine sediments: review and paleoenvironmental implications, Frontiers in Earth Science, 3: 19, doi:10.3389/feart.2015.00019, 2015.

179. Hu, P.X., Q.S. Liu, D. Heslop, A.P. Roberts & C.S. Jin, Soil moisture balance and magnetic enhancement in loess-paleosol sequences from the Tibetan Plateau and Chinese Loess Plateau, Earth and Planetary Science Letters, 409: 120-132, 2015.

178. Roberts, A.P., D. Heslop, X. Zhao & C.R. Pike, Understanding fine magnetic particle systems through use of first-order reversal curve diagrams, Reviews of Geophysics, 52: 557-602, 2014.

177. Pan, X.Q., Z.Y. Shen, A.P. Roberts, D. Heslop & L.Q. Shi, Syntectonic emplacement of Late Cretaceous mafic dyke swarms in coastal southeastern China: insights from magnetic fabrics, rock magnetism and field evidence, Tectonophysics, 637: 328-340, 2014.

176. Chang, L., I. Vasiliev, C. van Baak, W. Krijgsman, M.J. Dekkers, A.P. Roberts, J.D. Fitz Gerald, A. van Hoesel & M. Winklhofer, Identification and environmental interpretation of diagenetic and biogenic greigite in sediments: a lesson from the Messinian Black Sea, Geochemistry, Geophysics, Geosystems, 15: 3612-3627, 2014.

175. Grant, K.M., E.J. Rohling, C. Bronk Ramsey, H. Cheng, R.L. Edwards, F. Florindo, D. Heslop, F. Marra, A.P. Roberts, M.E. Tamisiea & F. Williams, Sea-level variability over five glacial cycles, Nature Communications, 5: 5076, doi:10.1038/ncomms6076, 2014.

174. Chang, L., A.P. Roberts, M. Winklhofer, D. Heslop, M.J. Dekkers, W. Krijgsman, J.D. Fitz Gerald & P. Smith, Magnetic detection and characterization of biogenic magnetic minerals: a comparison of ferromagnetic resonance and first-order reversal curve diagrams, Journal of Geophysical Research, 119: 6136-6158, 2014.

173. Savian, J. F., L. Jovane, F. Frontalini, R.I.F. Trindade, R. Coccioni, S.M. Bohaty, P.A. Wilson, F. Florindo, A.P. Roberts, R. Catanzariti & F. Iacoviello, Enhanced primary productivity and magnetotactic bacterial production in response to middle Eocene warming in the Neo-Tethys Ocean, Palaeogeography, Palaeoclimatology, Palaeoecology, 414: 32-45, 2014.

172. Abrajevitch, A., B.J. Pillans & A.P. Roberts, Haematite pigmentation events and palaeomagnetic recording: implications from the Pilbara Print Stone, Western Australia, Geophysical Journal International, 199: 658-672, 2014.

171. Ingham, E., D. Heslop, A.P. Roberts, R. Hawkins & M. Sambridge, Is there a link between geomagnetic reversal frequency and paleointensity? A Bayesian approach, Journal of Geophysical Research, 119: 5290-5304, 2014.

170. Ouyang, T., D. Heslop, A.P. Roberts, C. Tian, Z. Zhu, Y. Qiu & X. Peng, Variable remanence acquisition efficiency in sediments containing biogenic and detrital magnetites: implications for relative paleointensity signal recording, Geochemistry, Geophysics, Geosystems, 15: 2780-2796, 2014.

169. Heslop, D., A.P. Roberts & L. Chang, Characterizing magnetofossils from first-order reversal curve (FORC) central ridge signatures, Geochemistry, Geophysics, Geosystems, 15: 2170-2179, 2014.

168. Abrajevitch, A., A.P. Roberts & K. Kodama, Volcanic iron fertilization of primary productivity at Kerguelen Plateau, Southern Ocean, through the Middle Miocene Climate Transition, Palaeogeography, Palaeoclimatology, Palaeoecology, 410, 1-13, 2014.

167. Rohling, E.J., G.L. Foster, K.M. Grant, G. Marino, A.P. Roberts, M. Tamisiea & F. Williams, Sea-level and deep-sea-temperature variability over the past 5.3 million years, Nature, 508: 477-482, 2014.

166. Heslop, D., A.P. Roberts & R. Hawkins, A statistical simulation of magnetic particle alignment in sediments, Geophysical Journal International, 197: 828-837, 2014.

165. Villa, G., C. Fioroni, D. Persico, A.P. Roberts & F. Florindo, Middle Eocene to Late Oligocene Antarctic glaciation/deglaciation and Southern Ocean productivity, Paleoceanography, 29: 223-237, 2014.

164. Larrasoaña, J.C., Q. Liu, P. Hu, P. Mata, J.N. Pérez-Asensio, J, Civis & A.P. Roberts, Paleomagnetic and paleoenvironmental implications of magnetofossil occurrences in late Miocene marine sediments from the Guadalquivir Basin, SW Spain, Frontiers in Microbiology, 5: article 71, doi:10.3389/fmicb.2014.00071, 2014.

163. Muxworthy, A.R., W. Williams, A.P. Roberts, M. Winklhofer, L. Chang & M. Pósfai, Critical single domain grain sizes in chains of interacting greigite particles: implications for magnetosome crystals, Geochemistry, Geophysics, Geosystems, 14: 5430-5441, doi:10.1002/2013GC004973, 2013.

162. Rohling, E.J., K.M. Grant, A.P. Roberts & J.C. Larrasoaña, Paleoclimate variability in the Mediterranean and Red Sea regions during the last 500,000 years; implications for hominin migrations, Current Anthropology, 54: S183-S201, 2013.

161. Chang, L., M. Winklhofer, A.P. Roberts, D. Heslop, F. Florindo, M. J. Dekkers, W. Krijgsman, K. Kodama & Y. Yamamoto, Low-temperature magnetic properties of pelagic carbonates: oxidation of biogenic magnetite and identification of magnetosome chains, Journal of Geophysical Research, 118: 6049-6065, doi:10.1002/2013JB010381, 2013.

160. Rohling, E.J., I.D. Haigh, G.L. Foster, A.P. Roberts & K.M. Grant, A geological perspective on potential sea level rise, Scientific Reports, 3: 3461, doi:10.1038/srep03461, 2013.

159. Heslop, D. & A.P. Roberts, Calculating uncertainties on predictions of palaeoprecipitation from the magnetic properties of soils, Global and Planetary Change, 110: 379-385, 2013.

158. Roberts, A.P., F. Florindo, L. Chang, D. Heslop, L. Jovane & J.C. Larrasoaña, Magnetic properties of pelagic marine carbonates, Earth-Science Reviews, 127: 111-139, 2013.

157. Larrasoaña, J.C., A.P. Roberts & E.J. Rohling, Dynamics of green Sahara periods and their role in hominin evolution, PLoS One, 8(10): e76514, doi:10.1371/journal.pone.0076514, 2013.

156. Heslop, D., A.P. Roberts, L. Chang, M. Davies, A. Abrajevitch & P. De Deckker, Quantifying magnetite magnetofossil contributions to sedimentary magnetizations, Earth and Planetary Science Letters, 382: 58-65, 2013.

155. Bolton, C.T., L. Chang, S.C. Clemens, K. Kodama, M. Ikehara, M. Medina-Elizalde, G.A. Paterson, A.P. Roberts, E.J. Rohling, Y. Yamamoto & X. Zhao, A 500,000 year record of Indian summer monsoon dynamics recorded by equatorial Indian Ocean upper water-column structure, Quaternary Science Reviews, 77: 167-180, 2013.

154. Roberts, A.P., L. Sagnotti, F. Florindo, S.M. Bohaty, K.L. Verosub, G.S. Wilson & J.C. Zachos, Environmental magnetic record of paleoclimate, unroofing of the Transantarctic Mountains, and volcanism in late Eocene to early Miocene glaci-marine sediments from the Victoria Land Basin, Ross Sea, Antarctica, Journal of Geophysical Research, 118: 1845-1861, 2013.

153. Roberts, A.P. & G.M. Turner, Geomagnetic excursions and secular variations, The Encyclopedia of Quaternary Science (2nd Edition), S.A. Elias (Ed.), Elsevier, vol. 1: 705-720, 2013.

152. Roberts, A.P., L. Tauxe & D. Heslop, Magnetic paleointensity stratigraphy and high-resolution Quaternary geochronology: successes and future challenges, Quaternary Science Reviews, 61: 1-16, 2013.

151. Grant, K.M., E.J. Rohling, M. Bar-Matthews, A. Ayalon, M. Medina-Elizalde C. Bronk Ramsey, C. Satow & A.P. Roberts, Rapid coupling between ice volume and polar temperature over the past 150,000 years, Nature, 491: 744-747, 2012.

150. Liu, Q.S., A.P. Roberts, J.C. Larrasoaña, S.K. Banerjee, Y. Guyodo, L. Tauxe & F. Oldfield, Environmental magnetism: principles and applications, Reviews of Geophysics, 50: RG4002, doi:10.1029/2012RG000393, 2012.

149. Lucifora, S., F. Cifelli, M. Mattei, L. Sagnotti, D. Cosentino & A.P. Roberts, Inconsistent magnetic polarities in magnetite- and greigite-bearing sediments: understanding complex magnetizations in the late Messinian in the Adana basin (southern Turkey), Geochemistry, Geophysics, Geosystems, 13: Q10002, doi:10.1029/2012GC004248, 2012.

148. Chang, L., A.P. Roberts, W. Williams, J.D. Fitz Gerald, J.C. Larrasoaña, L. Jovane & A.R. Muxworthy, Are giant magnetofossils linked to hyperthermal events?, Earth and Planetary Science Letters, 351-352: 258-269, 2012.

147. Roberts, A.P., L. Chang, D. Heslop, F. Florindo & J.C. Larrasoaña, Searching for single domain magnetite in the ‘pseudo-single-domain’ sedimentary haystack: Implications of biogenic magnetite preservation for sediment magnetism and relative paleointensity determinations, Journal of Geophysical Research, 117: B08104, doi:10.1029/2012JB009412, 2012.

146. Lowe, J., N. Barton, S. Blockley, C. Bronk Ramsey, V.L. Cullen, W. Davies, C. Gamble, K. Grant, M. Hardiman, R. Housley, C.S. Lane, S. Lee, M. Lewis, A. MacLeod, M. Menzies, W. Müller, M. Pollard, C. Price, A.P. Roberts, E.J. Rohling, C. Satow, V.C. Smith, C.B. Stringer, E.L. Tomlinson, D. White, P. Albert, I. Arienzo, G. Barker, D. Boric, A. Carandente, L. Civetta, C. Ferrier, J.-L. Guadelli, P. Karkanas, M. Koumouzelis, U.C. Müller, G. Orsi, J. Pross, M. Rosi, L. Shalamanov-Korobar, N. Sirakov & P.C. Tzedakis, Volcanic ash layers illuminate the resilience of Neanderthals and early modern humans to natural hazards, Proceedings of the National Academy of Sciences, USA, 109: 13532-13537, 2012.

145. Chang, L., R.A.D. Pattrick, G. van der Laan, V.S. Coker & A.P. Roberts, Enigmatic X-ray magnetic circular dichroism in greigite (Fe3S4), Canadian Mineralogist, 50: 667-674, 2012.

144. Heslop, D. & A.P. Roberts, Estimation of significance levels and confidence intervals for first-order reversal curve distributions, Geochemistry, Geophysics, Geosystems, 13: Q12Z40, doi:10.1029/2012GC004115, 2012.

143. Chang, L., M. Winklhofer, A.P. Roberts, M.J. Dekkers, C.S. Horng, L. Hu & Q.W. Chen, Ferromagnetic resonance characterization of greigite (Fe3S4), monoclinic pyrrhotite (Fe7S8) and non-interacting titanomagnetite (Fe3-xTixO4), Geochemistry, Geophysics, Geosystems, 13: Q05Z41, doi:10.1029/2012GC004063, 2012.

142. Larrasoaña, J.C., A.P. Roberts, L. Chang, S.A. Schellenberg, J.D. Fitz Gerald, R.D. Norris & J.C. Zachos, Magnetotactic bacterial response to Antarctic dust supply during the Palaeocene-Eocene thermal maximum, Earth and Planetary Science Letters, 333-334: 122-133, 2012.

141. Liu, Q., J.C. Larrasoaña, J. Torrent, A.P. Roberts, E.J. Rohling, Z. Liu & Z. Jiang, New constraints on climate forcing and variability in the circum-Mediterranean region from magnetic and geochemical observations of sapropels S1, S5 and S6, Palaeogeography, Palaeoclimatology, Palaeoecology, 333-334: 1-12, 2012.

140. Gomez-Paccard, M., J. C. Larrasoaña, S. Giralt & A.P. Roberts, First paleomagnetic results of mid- to late Holocene sediments from Lake Issyk-Kul (Kyrgyzstan): implications for paleosecular variation in central Asia, Geochemistry, Geophysics, Geosystems, 13: Q03019, doi:10.1029/2011GC004015, 2012.

139. Heslop, D. & A.P. Roberts, A method for unmixing magnetic hysteresis loops, Journal of Geophysical Research, 117: B03103, doi:10.1029/2011JB008859, 2012.

138. Heslop, D. & A.P. Roberts, Estimating best-fit binary mixing lines in the Day plot, Journal of Geophysical Research, 117: B01101, doi:10.1029/2011JB008787, 2012.

137. Suganuma, Y., J. Okuno, D. Heslop, A.P. Roberts, T. Yamazaki & Y. Yokoyama, Post-depositional remanent magnetization lock-in for marine sediments deduced from 10Be and paleomagnetic records through the Matuyama-Brunhes boundary, Earth and Planetary Science Letters, 311: 39-52, 2011.

136. Roberts, A.P., E.J. Rohling, K.M. Grant, J.C. Larrasoaña & Q.S. Liu, Atmospheric dust variability from Arabia and China over the last 500,000 years, Quaternary Science Reviews, 30: 3537-3541, 2011.

135. Roberts, A.P., F. Florindo, G. Villa, L. Chang, L. Jovane, S.M. Bohaty, J.C. Larrasoaña, D. Heslop & J.D. Fitz Gerald, Magnetotactic bacterial abundance in pelagic marine environments is limited by organic carbon flux and availability of dissolved iron, Earth and Planetary Science Letters, 310: 441-452, 2011.

134. Muxworthy, A.R., X. Ji, V. Ridley, Y. Pan, L. Chang, L. Wang & A.P. Roberts, Multi-protocol palaeointensity determination from middle Brunhes Chron volcanics, Datong Volcanic Province, China, Physics of the Earth and Planetary Interiors, 187: 188-198, 2011.

133. Bailey, I., Q. Liu, G.E.A. Swann, Z. Jiang, Y. Sun, X. Zhao & A.P. Roberts, Iron fertilisation and biogeochemical cycles in the sub-Arctic northwest Pacific during the late Pliocene intensification of northern hemisphere glaciation, Earth and Planetary Science Letters, 307: 253-265, 2011.

132. Larrasoaña, J.C., M. Gómez-Paccard, S. Giralt & A.P. Roberts, Rapid locking of tectonic magnetic fabrics in weakly deformed mudrocks, Tectonophysics, 507: 16-25, 2011.

131. Stanford, J.D., E.J. Rohling, S. Bacon, A.P. Roberts, F.E. Grousset & M. Bolshaw, A new concept for the paleoceanographic evolution of Heinrich event 1 in the North Atlantic, Quaternary Science Reviews, 30: 1047-1066, 2011.

130. Harding, I.C., A.J. Charles, J.E.A. Marshall, H. Pälike, A.P. Roberts, P.A. Wilson, E. Jarvis, R. Thorne, E. Morris, R. Moremon, R.B. Pearce & S. Akbari, Sea-level and salinity fluctuations during the Paleocene-Eocene thermal maximum in Arctic Spitsbergen, Earth and Planetary Science Letters, 303: 97-107, 2011.

129. Mohamed, K.J., D. Rey, B. Rubio, M.J. Dekkers, A.P. Roberts & F. Vilas, Onshore-offshore gradient in reductive early diagenesis in coastal marine sediments of the Ria de Vigo, Northwest Iberian Peninsula, Continental Shelf Research, 31: 433-447, 2011.

128. RobertsA.P., L. Chang, C.J. Rowan, C.S. Horng & F. Florindo, Magnetic properties of sedimentary greigite (Fe3S4): an update, Reviews of Geophysics, 49: RG1002, doi:10.1029/2010RG000336, 2011.

127. Edgar, K.M., P.A. Wilson, P.F. Sexton, S.J. Gibbs, A.P. Roberts & R.D. Norris, New biostratigraphic, magnetostratigraphic and isotopic insights into the Middle Eocene Climatic Optimum in low latitudes, Palaeogeography, Palaeoclimatology, Palaeoecology, 297: 670-862, 2010.

126. Roberts, A.P. & R. Grün, Early human northerners, Nature (News and Views), 466: 189-190, 2010.

125. Paterson, G., A.R. Muxworthy, A.P. Roberts & C. MacNiocaill, Assessment of the usefulness of lithic clasts from pyroclastic deposits for paleointensity determination, Journal of Geophysical Research, 115: B03104, doi:10.1029/2009JB006475, 2010.

124. Paterson, G., A.P. Roberts, C. MacNiocaill, A.R. Muxworthy, J.G. Viramonte, C. Navarro & S. Weider, Paleomagnetic determination of emplacement temperatures of pyroclastic deposits: an under-utilized tool, Bulletin of Volcanology, 72: 309-330, 2010.

123. Zhao, X. & A.P. Roberts, How does the Chinese loess become magnetized?, Earth and Planetary Science Letters, 292: 112-122, 2010.

122. Roberts, A.P., F. Florindo, J.C. Larrasoaña, M.A. O’Regan & X. Zhao, Complex polarity pattern at the (former) Plio-Pleistocene global stratotype section at Vrica (Italy): remagnetization by magnetic iron sulphides, Earth and Planetary Science Letters, 292: 98-111, 2010.

121. Rohling, E.J., K. Braun, K. Grant, M. Kucera, A.P. Roberts, M. Siddall, and G. Trommer, Comparison between Holocene and Marine Isotope Stage-11 sea-level histories, Earth and Planetary Science Letters, 291: 97-105, 2010.

120. Rohling, E.J., Q.S. Liu, A.P. Roberts, J.D. Stanford, S.O. Rasmussen, P.L. Langen & M. Siddall, Controls on the East Asian monsoon during the last glacial cycle, based on comparison between Hulu Cave and polar ice-core records, Quaternary Science Reviews, 28: 3291-3302, 2009.

119. Rohling, E.J., K. Grant, M. Bolshaw, A.P. Roberts, M. Siddall, C. Hemleben & M. Kucera, Antarctic temperature and global sea level closely coupled over the past five glacial cycles, Nature Geoscience, 2: 500-504, 2009.

118. Chang, L., B. D. Rainford, J. R. Stewart, C. Ritter, A. P. Roberts, Y. Tang & Q. Chen, Magnetic structure of greigite (Fe3S4) probed by neutron powder diffraction and polarized neutron diffraction, Journal of Geophysical Research, 114: B07101, doi:10.1029/2008JB006260, 2009.

117. Krasa, D., C.D.W. Wilkinson, N. Gadegaard, X. Kong, H. Zhou, A.P. Roberts, A.R. Muxworthy & W. Williams, Nanofabrication of two dimensional arrays of magnetite particles for fundamental rock magnetic studies, Journal of Geophysical Research, 114: B02104, doi:10.1029/2008JB006017, 2009.

116. Chang, L., A. P. Roberts, C.J. Rowan, Y. Tang, C.-S. Horng, P. Pruner & S. Hunger, Low-temperature magnetic properties of greigite (Fe3S4), Geochemistry, Geophysics, Geosystems, 10: Q01Y04, doi:10.1029/2008GC002276, 2009.

115. Rowan, C.J., A.P. Roberts & T. Broadbent, Reductive diagenesis, magnetite dissolution, greigite growth and paleomagnetic smoothing in marine sediments: a new view, Earth and Planetary Science Letters, 277: 223-235, 2009.

114. Liu, Q., A.P. Roberts, E.J. Rohling, R. Zhu & Y. Sun, Post-depositional remanent magnetization lock-in and the location of the Matuyama-Brunhes geomagnetic reversal boundary in marine and Chinese loess sequences, Earth and Planetary Science Letters, 275: 102-110, 2008.

113. Liu, Q., Y.J. Yu, A.R. Muxworthy & A.P. Roberts, Effects of internal stress on remanence intensity jumps across the Verwey transition for multi-domain magnetite, Physics of the Earth and Planetary Interiors, 169: 100-107, 2008.

112. Rohling, E.J., K. Grant, C. Hemleben, M. Kucera, A.P. Roberts, I. Schmeltzer, H. Schulz, M. Siccha, M. Siddall & G. Trommer, New constraints on the timing of sea level fluctuations during early to middle marine isotope stage 3, Paleoceanography, 23: PA3219, doi:10.1029/2008PA001617, 2008.

111. Roberts, A.P., Geomagnetic excursions: knowns and unknowns, Geophysical Research Letters, 35: L17307, doi:10.1029/2008GL034719, 2008.

110. Larrasoaña, J.C., A.P. Roberts & E.J. Rohling, Magnetic susceptibility of eastern Mediterranean marine sediments as a proxy for Saharan dust supply?, Marine Geology, 254: 224-229, 2008.

109. Chang, L., A.P. Roberts, Y. Tang, Q.W. Chen, B.D. Rainford & A.R. Muxworthy, Fundamental magnetic parameters from pure synthetic greigite (Fe3S4), Journal of Geophysical Research, 113: B06104, doi:10.1029/2007JB005502, 2008.

108. Rowan, C.J. & A.P. Roberts, Widespread remagnetizations and a new view of Neogene tectonic rotations within the Australia-Pacific plate boundary zone, New Zealand, Journal of Geophysical Research, 113: B03103, doi:10.1029/2006JB004594, 2008.

107. Scherer, R.P., S.M. Bohaty, R.B. Dunbar, O. Esper, J.A. Flores, R. Gersonde, D.M. Harwood, A.P. Roberts & M. Taviani, Precession-driven warming and Antarctic ice sheet retreat during Marine Isotope Stage 31 (1.07 million years ago), Geophysical Research Letters, 35: L03505, doi:10.1029/2007GL032254, 2008.

106. Chang, L., A.P. Roberts, A.R. Muxworthy, Y. Tang, Q.W. Chen, C.J. Rowan, Q. Liu & P. Pruner, Magnetic characteristics of synthetic pseudo-single domain and multi-domain greigite (Fe3S4), Geophysical Research Letters, 34: L24304, doi: 10.1029/2007GL032114, 2007.

105. Van Dongen, B.E., A.P. Roberts, S. Schouten, W.T. Jiang, F. Florindo & R.D. Pancost, Formation of iron sulfide nodules during anaerobic oxidation of methane, Geochimica et Cosmochimica Acta, 71: 5155-5167, 2007.

104. Liu, Q., A.P. Roberts, J. Torrent, C.S. Horng & J.C. Larrasoaña, What do the HIRM and S-ratio really measure in environmental magnetism?, Geochemistry, Geophysics, Geosystems, 8: Q09011, doi: 10.1029/2007GC001717, 2007.

103. Larrasoaña, J.C., A.P. Roberts, R.J. Musgrave, E. Gràcia, E. Piñero, M. Vega & F. Martínez-Ruiz, Diagenetic formation of greigite and pyrrhotite in gas hydrate marine sedimentary systems, Earth and Planetary Science Letters, 261: 350-366, 2007.

102. Roberts, A.P., A. Bakrania, F. Florindo, C.J. Rowan, C.R. Fielding & R.D. Powell, High-resolution evidence for dynamic transitional geomagnetic field behaviour from a Miocene reversal, McMurdo Sound, Ross Sea, Antarctica, Earth, Planets, Space, 59: 815-824, 2007.

101. Muxworthy, A.R. & A.P. Roberts, First-order reversal curve (FORC) diagrams, Encylopedia of Geomagnetism and Paleomagnetism (D. Gubbins & E. Herrero-Bervera, Eds), Encyclopedia of Earth Science Series, Springer, Dordrecht, The Netherlands, 266-272, 2007.

100. RobertsA.P., Environmental magnetism, paleomagnetic applications, Encylopedia of Geomagnetism and Paleomagnetism (D. Gubbins & E. Herrero-Bervera, Eds), Encyclopedia of Earth Science Series, Springer, Dordrecht, The Netherlands, 256-261, 2007.

99. Florindo, F., D.B. Karner, F. Marra, P.R. Renne, A.P. Roberts & R. Weaver, Radioisotopic age constraints for Glacial Terminations IX and VII from aggradational sections of the Tiber River delta in Rome, Italy, Earth and Planetary Science Letters, 256: 61-80, 2007.

98. Jovane, L., F. Florindo, R. Coccioni, J. Dinarès-Turell, A. Marsili, S. Monechi, A.P. Roberts & M. Sprovieri, The middle Eocene climatic optimum (MECO) event in the Contessa Highway section, Umbrian Apennines, Italy, Geological Society of America Bulletin, 119: 423-427, 2007.

97. Eldrett, J.S., I.C. Harding, P.A. Wilson, E. Butler & A.P. Roberts, Continental ice in Greenland during the Eocene and Oligocene, Nature, 446: 176-179, 2007.

96. Roberts, A.P., Q. Liu, C.J. Rowan, C. Carvallo, L. Chang, J. Torrent & C.S. Horng, Characterization of hematite (a-Fe2O3), goethite (FeOOH), greigite (Fe3S4) and pyrrhotite (Fe7S8) using first-order reversal curve (FORC) diagrams, Journal of Geophysical Research, 111: B12S35, doi:10.1029/2006JB004560, 2006.

95. Liu, Q., Y.J. Yu, J. Torrent, A.P. Roberts, Y. Pan & R. Zhu, The characteristic low-temperature magnetic properties of aluminous goethite [a-(Fe, Al)OOH] explained, Journal of Geophysical Research, 111: B12S34, doi:10.1029/2006JB004715, 2006.

94. Carvallo, C., A.P. Roberts, R. Leonhardt, C. Laj, C. Kissel, M. Perrin & P. Camps, Increasing the efficiency of paleointensity analyses by selection of samples using first-order reversal curve (FORC) diagrams, Journal of Geophysical Research, 111: B12103, doi:10.1029/2005JB004126, 2006.

93. Stanford, J.D., E.J. Rohling, S. Hunter, A.P. Roberts, S.O. Rasmussen, E. Bard, J. McManus & R.G. Fairbanks, Meltwater injections and deep circulation in the North Atlantic, Paleoceanography, 21: PA4103, doi:10.1029/2006PA001340, 2006.

92. Larrasoaña, J.C., A.P. Roberts, A. Hayes, R. Wehausen & E.J. Rohling, Detecting missing beats in the Mediterranean climate rhythm from magnetic identification of oxidized sapropels (Ocean Drilling Program Leg 160), Physics of the Earth and Planetary Interiors, 156: 283-293, 2006.

91. RobertsA.P., High-resolution magnetic analysis of sediment cores: strengths, limitations and strategies for maximizing the value of long-core magnetic data, Physics of the Earth and Planetary Interiors, 156: 162-178, 2006.

90. Laj, C., C. Kissel & A.P. Roberts, Geomagnetic field behavior during the Iceland Basin and Laschamp geomagnetic excursions: a simple transitional field geometry?, Geochemistry, Geophysics, Geosystems, 7: Q03004, doi:10.1029/2005GC001122, 2006.

89. Kao, S. J., A. P. Roberts, S. C. Hsu, Y. P. Chang, W. B. Lyons, and M. T. Chen, Monsoon forcing, hydrodynamics of the Kuroshio Current, and tectonic effects on sedimentary carbon and sulfur cycling in the Okinawa Trough since 90 ka, Geophysical Research Letters, 33: L05610, doi:10.1029/2005GL025154, 2006.

88. Horng, C.S. & A.P. Roberts, Authigenic or detrital origin of pyrrhotite in sediments?: Resolving a paleomagnetic conundrum, Earth and Planetary Science Letters, 241: 750-762, 2006.

87. Rowan, C.J. & A.P. Roberts, Magnetite dissolution, diachronous greigite formation, and magnetizations arising from pyrite oxidation: unravelling complex magnetizations in Neogene marine sediments from New Zealand, Earth and Planetary Science Letters, 241: 119-137, 2006.

86. Rowan, C.J. & A.P. Roberts, Tectonic and geochronological implications of variably timed remagnetizations carried by authigenic greigite in fine-grained sediments from New Zealand, Geology, 33: 553-556, 2005.

85. Rowan, C.J., A.P. Roberts & G.J. Rait, Relocation of the tectonic boundary between the Raukumara and Wairoa domains (East Coast, North Island, New Zealand): implications for the rotation history of the Hikurangi Margin, New Zealand Journal of Geology and Geophysics, 48: 185-196, 2005.

84. RobertsA.P., W.T. Jiang, F. Florindo, C.-S. Horng & C. Laj, Assessing the timing of greigite formation and the reliability of the Upper Olduvai polarity transition record from the Crostolo River, Italy, Geophysical Research Letters, 32: L05307, doi:10.1029/2004GL022137, 2005.

83. Roberts, A.P. & R. Weaver, Multiple mechanisms of remagnetization involving sedimentary greigite (Fe3S4), Earth and Planetary Science Letters, 231: 263-277, 2005.

82. Florindo, F., G.S. Wilson, A.P. Roberts, L. Sagnotti & K.L. Verosub, Magnetostratigraphic chronology of a Late Eocene to Early Miocene glacimarine succession from the Victoria Land Basin, Ross Sea, Antarctica, Global and Planetary Change, 45: 207-236, 2005.

81. Florindo, F. & A.P. Roberts, Eocene-Oligocene magnetobiostratigraphy of ODP sites 689 and 690, Maud Rise, Weddell Sea, Antarctica, Geological Society of America Bulletin, 117: 46-66, 2005.

80. Sagnotti, L., A.P. Roberts, R. Weaver, K.L. Verosub, F. Florindo, G.S. Wilson, C.R. Pike & T. Clayton, Apparent high-frequency magnetic polarity reversals due to alternating remagnetizations resulting from late diagenetic growth of greigite from siderite, Geophysical Journal International, 160: 89-100, 2005.

79. Roberts, A.P. & M. Winklhofer, Why are geomagnetic excursions not always recorded in sediments? Constraints from post-depositional remanent magnetization lock-in modelling, Earth and Planetary Science Letters, 227: 345-359, 2004.

78. Pearson, P.N., C.J. Nicholas, J.M. Singano, P.R. Bown, H.K. Coxall, B.E. van Dongen, B.T. Huber, A. Karega, J.A. Lees, E. Msaky, R.D. Pancost, M. Pearson & A.P. Roberts, Paleogene and Cretaceous sediment cores from the Kilwa and Lindi areas of coastal Tanzania: Tanzania Drilling Project Sites 1-5, Journal of African Earth Sciences, 39: 25-62, 2004.

77. Gomez, B., L. Carter, N.A. Trustrum, A.S. Palmer & A.P. Roberts, ENSO signal associated with middle Holocene climate change in intercorrelated terrestrial and marine sediment cores, North Island, New Zealand, Geology, 32: 653-656, 2004.

76. Liu, J., R.X. Zhu, A.P. Roberts, S.Q. Li & J.-H. Chang, High-resolution analysis of early diagenetic effects on magnetic minerals in post-middle-Holocene continental shelf sediments from the Korea Strait, Journal of Geophysical Research, 109, B03103, doi: 10.1029/2003JB002813, 2004.

75. Eldrett, J.S., I.C. Harding, J.V. Firth & A.P. Roberts, Dinoflagellate and palaeomagnetic stratigraphy of Eocene and Oligocene sediments from the Norwegian-Greenland Sea, Marine Geology, 204: 91-127, 2004.

74. Weaver, R., A.P. Roberts, R. Flecker & D.I.M. MacDonald, Tertiary geodynamics of Sakhalin (NW Pacific) from anisotropy of magnetic susceptibility and paleomagnetic data, Tectonophysics, 379: 25-42, 2004.

73. Kao, S.J., C.S. Horng, A.P. Roberts & K.K. Liu, Carbon-sulfur-iron relationships in sedimentary rocks from southwestern Taiwan: influence of geochemical environment on greigite and pyrrhotite formation, Chemical Geology, 203: 153-168, 2004.

72. Larrasoaña, J.C., A.P. Roberts, E.J. Rohling, M. Winklhofer & R. Wehausen, Three million years of monsoon variability over the northern Sahara, Climate Dynamics, 21: 689-698, 2003.

71. Roberts, A.P., M. Winklhofer, W.-T. Liang & C.-S. Horng, Testing the hypothesis of orbital (eccentricity) influence on Earth’s magnetic field, Earth and Planetary Science Letters, 216: 187-192, 2003.

70. Roberts, A.P., S. Bicknell, J. Byatt, S.M. Bohaty, F. Florindo & D.M. Harwood, Magnetostratigraphic calibration of Southern Ocean diatom biostratigraphic datums from the Eocene-Oligocene of Kerguelen Plateau (ODP sites 744 and 748), Palaeogeography, Palaeoclimatology, Palaeoecology, 198: 145-168, 2003.

69. Roberts, A.P., G.S. Wilson, D.M. Harwood & K.L. Verosub, Glaciation across the Oligocene-Miocene boundary in southern McMurdo Sound, Antarctica: new chronology from the CIROS-1 drill-hole, Palaeogeography, Palaeoclimatology, Palaeoecology, 198: 113-130, 2003.

68. Florindo, F., S.M. Bohaty, P.S. Erwin, C. Richter, A.P. Roberts, P.A. Whalen & J.M. Whitehead, Magnetobiostratigraphic chronology and palaeoenvironmental history of Cenozoic sequences from ODP sites 1165 and 1166, Prydz Bay, Antarctica, Palaeogeography, Palaeoclimatology, Palaeoecology, 198: 69-100, 2003.

67. Florindo, F., A.P. Roberts & M.R. Palmer, Magnetite dissolution in siliceous sediments, Geochemistry, Geophysics, Geosystems, 4: doi: 10.1029/2003GC000516, 2003.

66. Wilson, G.S., A.P. Roberts, D.M. Harwood, C.R. Fielding, D.K. Watkins, T.R. Naish, F. Florindo, L. Sagnotti, R.P. Scherer, G. Villa, M. Lavelle, W.C. McIntosh, S.M. Bohaty & K.L. Verosub, Forum: Reply, Integrated chronostratigraphic calibration of the Oligocene-Miocene boundary at 24.0±0.1 Ma from the CRP-2A drill core, Ross Sea, Antarctica, Geology, 31: doi: 10.1130/0091-7613 (electronic supplement, pp. e11-12), 2003.

65. Sagnotti, L., P. Rochette, M. Jackson, F. Vadeboin, J. Dinarès-Turell, A. Winkler, B. Maher, E. Moreno, M. Hanesch, R. Scholger, R. Jude, J. Shaw, G. McIntosh, M.L. Osete, J. Matzka, N. Petersen, J.C. Larrasoaña, M. O’Regan, A.P. Roberts, T. Mullender, C. Peters, K.J. Mohamed, D. Rey, J. Hannam, F. Heller, T. Frederichs & U. Bleil, Inter-laboratory calibration of low-field magnetic and anhysteretic susceptibility measurements, Physics of the Earth and Planetary Interiors, 138: 25-38, 2003.

64. Weaver, R., A.P. Roberts, R. Flecker, D.I.M. MacDonald & L.M. Fot’yanova, Geodynamic implications of paleomagnetic data from Tertiary sediments in Sakhalin, Russia (NW Pacific), Journal of Geophysical Research, 108: 2066, doi:10.1029/2001JB001226, 2003.

63. Horng, C.-S., A.P. Roberts & W.T. Liang, A 2.14-million-year astronomically-tuned record of relative geomagnetic paleointensity from the western Philippine Sea, Journal of Geophysical Research, 108: 2059, doi:10.1029/2001JB001698, 2003.

62. Larrasoaña, J.C., A.P. Roberts, J.S. Stoner, C. Richter & R. Wehausen, A new proxy for bottom-water ventilation based on diagenetically controlled magnetic properties of eastern Mediterranean sapropel-bearing sediments, Palaeogeography, Palaeoclimatology, Palaeoecology, 190: 221-242, 2003.

61. Dinarès-Turell, J., B.A.A. Hoogakker, A.P. Roberts, E.J. Rohling & L. Sagnotti, Quaternary climatic control of biogenic magnetite production and eolian dust input in cores from the Mediterranean Sea, Palaeogeography, Palaeoclimatology, Palaeoecology, 190: 195-209, 2003.

60. Wilson, G.S., M. Lavelle, W.C. McIntosh, A.P. Roberts, D.M. Harwood, D.K. Watkins, G. Villa, S.M. Bohaty, C.R. Fielding, F. Florindo, L. Sagnotti, T.R. Naish, R.P. Scherer & K.L. Verosub, Integrated chronostratigraphic calibration of the Oligocene-Miocene boundary at 24.0±0.1 Ma from the CRP-2A drill core, Ross Sea, Antarctica, Geology, 30: 1043-1046, 2002.

59. Weaver, R., A.P. Roberts & A.J. Barker, A late diagenetic (synfolding) magnetization carried by pyrrhotite: implications for paleomagnetic studies from magnetic iron sulphide-bearing sediments, Earth and Planetary Science Letters, 200: 371-386, 2002.

58. Roberts, A.P., Magnetic reversals, McGraw-Hill Encyclopedia of Science and Technology (9th edition), ISBN: 0-07-913665-6, vol. 10, 289-290, 2002.

57. Dinarès-Turell, J., L. Sagnotti & A.P. Roberts, Relative geomagnetic paleointensity from the Jaramillo subchron to the Matuyama/Brunhes boundary as recorded in a Mediterranean piston core, Earth and Planetary Science Letters, 194: 327-341, 2002.

56. Florindo, F., G.S. Wilson, A.P. Roberts, L. Sagnotti & K.L. Verosub, Magnetostratigraphy of late Eocene - early Oligocene strata from the CRP-3 core, Victoria Land Basin, Antarctica, Terra Antartica, 8: 599-613, 2001.

55. Sagnotti, L., K.L. Verosub, A.P. Roberts, F. Florindo & G.S. Wilson, Environmental magnetic record of the Eocene-Oligocene transition in the CRP-3 drillcore, Victoria Land Basin, Antarctica, Terra Antartica, 8: 507-516, 2001.

54. Guo, B., R.X. Zhu, A.P. Roberts & F. Florindo, Lack of correlation between paleoprecipitation and magnetic susceptibility of Chinese loess/paleosol sequences, Geophysical Research Letters, 28: 4259-4262, 2001.

53. Jiang, W.T., C.S. Horng, A.P. Roberts & D.R. Peacor, Contradictory magnetic polarities in sediments and variable timing of neoformation of authigenic greigite, Earth and Planetary Science Letters, 193: 1-12, 2001.

52. Naish, T.R., K.J. Woolfe, P.J. Barrett, G.S. Wilson, C. Atkins, S.M. Bohaty, C.J. Bücker, M. Claps, F.J. Davey, G.B. Dunbar, A.G. Dunn, C.R. Fielding, F. Florindo, M.J. Hannah, D.M. Harwood, S.A. Henrys, L.A. Krissek, M. Lavelle, J. van der Meer, W.C. McIntosh, F. Niessen, S. Passchier, R.D. Powell, A.P. Roberts, L. Sagnotti, R.P. Scherer, C.P. Strong, F. Talarico, K.L. Verosub, G. Villa, D.K. Watkins, P.-N. Webb & T. Wonik, Orbitally induced oscillations in the East Antarctic Ice Sheet at the Oligocene/Miocene boundary, Nature, 413: 719-723, 2001.

51. Pike, C.R., A.P. Roberts, M.J. Dekkers & K.L. Verosub, An investigation of multi-domain hysteresis mechanisms using FORC diagrams, Physics of the Earth and Planetary Interiors, 126: 13-28, 2001.

50. Pike, C.R., A.P. Roberts & K.L. Verosub, First-order reversal curve diagrams and thermal relaxation effects in magnetic particles, Geophysical Journal International, 145: 721-730, 2001.

49. Kiefer, T., M. Sarnthein, H. Erlenkeuser, P.M. Grootes & A.P. Roberts, North Pacific response to millennial-scale changes in ocean circulation over the last 65 ky, Paleoceanography, 16: 179-189, 2001.

48. Roberts, A.P. & J.C. Lewin-Harris, Marine magnetic anomalies: evidence that “tiny wiggles” represent short-period geomagnetic polarity intervals, Earth and Planetary Science Letters, 183: 375-388, 2000.

47. Roberts, A.P., C.R. Pike & K.L. Verosub, FORC diagrams: a new tool for characterizing the magnetic properties of natural samples, Journal of Geophysical Research, 105: 28,461-28,475, 2000.

46. Wilson, G.S., S.M. Bohaty, C.R. Fielding, F. Florindo, M.J. Hannah, D.M. Harwood, W.C. McIntosh, T.R. Naish, A.P. Roberts, L. Sagnotti, R.P. Scherer, C.P. Strong, K.L. Verosub, G. Villa, D.K. Watkins, P.-N. Webb & K.J. Woolfe, Chronostratigraphy of the CRP-2/2A drillhole, Ross Sea, Antarctica, Terra Antartica, 7: 647-655, 2000.

45. Wilson, G.S., F. Florindo, L. Sagnotti, K.L. Verosub & A.P. Roberts, Magnetostratigraphy of Oligocene – Miocene glaciomarine strata from the CRP-2/2A core, McMurdo Sound, Ross Sea, Antarctica, Terra Antartica, 7: 631-646, 2000.

44. Verosub, K.L., F. Florindo, L. Sagnotti, A.P. Roberts & G.S. Wilson, Environmental magnetism of Oligocene - Miocene glaciomarine strata from the CRP-2/2A core, McMurdo Sound, Ross Sea, Antarctica, Terra Antartica, 7: 599-608, 2000.

43. Reynolds, R.L., J.G. Rosenbaum, D.S. Sweetkind, M.A. Lanphere, A.P. Roberts & K.L. Verosub, Recognition of primary and diagenetic magnetizations to determine the magnetic polarity record and timing of deposition of the moat-fill rocks of the Oligocene Creede Caldera, Colorado, Geological Society of America Special Paper, 346: 77-93, 2000.

42. Negrini, R.M., D.B. Erbes, K. Faber, A.M. Herrera, A.P. Roberts, A.S. Cohen, P.E. Wigand & F.F. Foit, A high-resolution environmental magnetic record of continental paleoclimate for the last 250,000 years from Summer Lake, Oregon, U.S.A., Journal of Paleolimnology, 24: 125-149, 2000.

41. Pike, C.R., A.P. Roberts & K.L. Verosub, Magnetic interactions and their effect on the low temperature behavior of fine magnetic particles, Journal of Applied Physics, 88: 967-974, 2000.

40. Watson, J.H.P., B.A. Cressey, A.P. Roberts, D.C. Ellwood, J.M. Charnock & A.K. Soper, Structural and magnetic studies on heavy-metal-adsorbing iron sulphide nanoparticles produced by sulphate-reducing bacteria, Journal of Magnetism and Magnetic Materials, 214: 13-30, 2000.

39. Pike, C.R., A.P. Roberts & K.L. Verosub, Characterizing interactions in fine magnetic particle systems using first order reversal curves, Journal of Applied Physics, 85: 6660-6667, 1999.

38. Wilson, G.S. & A.P. Roberts, Diagenesis of magnetic mineral assemblages in multiply redeposited siliciclastic marine sediments, Wanganui basin, New Zealand, Special Publication of the Geological Society of London, 151: 95-108, 1999.

37. Roberts, A.P., J.S. Stoner & C. Richter, Diagenetic magnetic enhancement of sapropels from the eastern Mediterranean Sea, Marine Geology, 153: 103-116, 1999.

36. Roberts, A.P., G.S. Wilson, F. Florindo, L. Sagnotti, K.L. Verosub & D.M. Harwood, Magnetostratigraphy of lower Miocene strata from the CRP-1 core, McMurdo Sound, Ross Sea, Antarctica, Terra Antartica, 5: 703-713, 1998.

35. Sagnotti, L., F. Florindo, G.S. Wilson, A.P. Roberts & K.L. Verosub, Environmental magnetism of lower Miocene strata from the CRP-1 core, McMurdo Sound, Antarctica, Terra Antartica, 5: 661-667, 1998.

34. Stoner, J.S., C. Richter & A.P. Roberts, High resolution study of magnetic properties of sapropel-bearing sediments from ODP sites 966, 967, and 969, eastern Mediterranean Sea, Proceedings of the Ocean Drilling Program, Scientific Results, 160: 75-82, 1998.

33. Richter, C., A.P. Roberts, J.S. Stoner, L.D. Benning & C.T. Chi, Magnetostratigraphy of Pliocene-Pleistocene sediments from the eastern Mediterranean Sea, Proceedings of the Ocean Drilling Program, Scientific Results, 160: 61-74, 1998.

32. Sagnotti, L., F. Florindo, K.L. Verosub, G.S. Wilson & A.P. Roberts, Environmental magnetic record of Antarctic palaeoclimate from Eocene-Oligocene glaciomarine sediments, Victoria Land margin, Geophysical Journal International, 134: 653-662, 1998.

31. Robertson, A.H.F., K.-C. Emeis, C. Richter, M.-M. Blanc-Valleron, I. Bouloubassi, H.-J. Brumsack, A. Cramp, G.J. DeLange, E. DiStefano, R. Flecker, E. Frankel, M.W. Howell, T.R. Janecek, M.-J. Jurado, A.E.S. Kemp, I. Koizumi, A. Kopf, C.O. Major, Y. Mart, D.F.C. Pribnow, A. Rabaute, A.P. Roberts, J. Rüllkotter, T. Sakamoto, S. Spezzaferri, T.S. Staerker, J.S. Stoner, B.M. Whiting & J. M. Woodside, Collision-related break-up of a carbonate platform (Eratosthenes Seamount) and mud volcanism on the Mediterranean Ridge: preliminary synthesis and implications of tectonic results of ODP Leg 160 in the Eastern Mediterranean Sea, Special Publication of the Geological Society of London, 131: 243-271, 1998.

30. Wilson, G.S., A.P. Roberts, K.L. Verosub, F. Florindo & L. Sagnotti, Magnetobiostratigraphic chronology of the Eocene - Oligocene transition in the CIROS-1 core, Victoria land margin, Antarctica: implications for Antarctic glacial history, Geological Society of America Bulletin, 110: 35-47, 1998.

29. Mart, Y., A.H.F. Robertson, J.M. Woodside, K.-C. Emeis, C. Richter, M.-M. Blanc-Valleron, I. Bouloubassi, H.-J. Brumsack, A. Cramp, G.J. DeLange, E. DiStefano, R. Flecker, E. Frankel, M.W. Howell, T.R. Janecek, M.-J. Jurado, A.E.S. Kemp, I. Koizumi, A. Kopf, C.O. Major, D.F.C. Pribnow, A. Rabaute, A.P. Roberts, J. Rüllkotter, T. Sakamoto, S. Spezzaferri, T.S. Staerker, J.S. Stoner & B.M. Whiting, Cretaceous tectonic setting of Eratosthenes Seamount in the eastern Mediterranean Neotethys: initial results of ODP Leg 160, Comptes Rendu de la Académie des Science du Paris, 324A: 127-134, 1997.

28. Roberts, A.P., B. Lehman, R.J. Weeks, K.L. Verosub & C. Laj, Relative paleointensity of the geomagnetic field from 0-200 kyr, ODP Sites 883 and 884, North Pacific Ocean, Earth and Planetary Science Letters, 152: 11-23, 1997.

27. Little, T.A. & A.P. Roberts, Distribution and mechanism of Neogene to present-day vertical-axis rotations, Pacific-Australian plate boundary zone, South Island, New Zealand, Journal of Geophysical Research, 102: 20,447-20,468, 1997.

26. Cui, Y.L., K.L. Verosub, A.P. Roberts & M. Kovacheva, Mineral magnetic criteria for sample selection in archaeomagnetic studies, Journal of Geomagnetism and Geoelectricity, 49: 567-585, 1997.

25. Robertson, A., K. Emeis, C. Richter, M. Blanc-Valleron, I. Bouloubassi, H. Brumsack, A. Cramp, G. DeLange, E. DiStefano, R. Flecker, E. Frankel, M. Howell, T. Janecek, M. Jurado, A. Kemp, I. Koizumi, A. Kopf, C. Major, Y. Mart, D. Pribnow, A. Rabaute, A. Roberts, J. Rüllkotter, T. Sakamoto, S. Spezzaferri, T. Staerker, J. Stoner, B. Whiting & J. Woodside, Mud volcanism on the Mediterranean Ridge: initial results of Ocean Drilling Program Leg 160, Geology, 24: 239-242, 1996.

24. Roberts, A.P., R.L. Reynolds, K.L. Verosub & D.P. Adam, Environmental magnetic implications of greigite (Fe3S4) formation in a 3 million year lake sediment record from Butte Valley, Northern California, Geophysical Research Letters, 23: 2,859-2,862, 1996.

23. Verosub, K.L., E. Herrero-Bervera & A.P. Roberts, Relative geomagnetic paleointensity across the Jaramillo subchron and the Matuyama/Brunhes boundary, Geophysical Research Letters, 23: 467-470, 1996.

22. Roberts, A.P., J.S. Stoner & C. Richter, Coring-induced magnetic overprints and limitations of the long-core paleomagnetic measurement technique: some observations from ODP Leg 160, Eastern Mediterranean Sea, Proceedings of the Ocean Drilling Program, Initial Reports, 160: 497-505, 1996.

21. Barron, J.A., I.A. Basov, L. Beaufort, G. Dubuisson, A.Y. Gladenkov, J.J. Morley, M. Okada, G. Olafsson, D.K. Pak, A.P. Roberts, V.V. Shilov & R.J. Weeks, ODP Leg 145: biostratigraphic and magnetostratigraphic summary, Proceedings of the Ocean Drilling Program, Scientific Results, 145: 3-19, 1995.

20. Roberts, A.P., K.L. Verosub, R.J. Weeks, B. Lehman & C. Laj, Mineral magnetic properties of Middle and Late Pleistocene sediments at ODP sites 883, 884 & 887, North Pacific Ocean, Proceedings of the Ocean Drilling Program, Scientific Results, 145: 483-490, 1995.

19. Weeks, R.J., A.P. Roberts, K.L. Verosub, M. Okada & G. Dubuisson, Magnetostratigraphy of Late Cenozoic sediments from ODP Leg 145, North Pacific Ocean, Proceedings of the Ocean Drilling Program, Scientific Results, 145: 491-521, 1995.

18. Roberts, A.P., Magnetic properties of sedimentary greigite (Fe3S4), Earth and Planetary Science Letters, 134: 227-236, 1995.

17. Roberts, A.P., Y.L. Cui & K.L. Verosub, Wasp-waisted hysteresis loops: mineral magnetic characteristics and discrimination of components in mixed magnetic systems, Journal of Geophysical Research, 100: 17,909-17,924, 1995.

16. Roberts, A.P., Polarity transitions and excursions of the geomagnetic field, Reviews of Geophysics, Supplement, 33: 153-160, 1995.

15. Verosub, K.L. & A.P. Roberts, Environmental magnetism: past, present, and future, Journal of Geophysical Research, 100: 2,175-2,192, 1995.

14. Weeks, R.J., C. Laj, L. Labeyrie, L. Endignoux, A. Mazaud, A.P. Roberts, C. Kissel & E. Blanchard, Rock magnetism and normalized NRM intensity during the last 240,000 years in central North Atlantic piston cores, Physics of the Earth and Planetary Interiors, 87: 213-229, 1995.

13. Roberts, A.P., Paleomagnetically determined tectonic rotation about the termination of a major strike-slip fault, Marlborough fault system, New Zealand, Geophysical Research Letters, 22: 187-190, 1995.

12. Negrini, R.M., D.B. Erbes, A.P. Roberts, K.L. Verosub, A.M. Sarna-Wojcicki & C.E. Meyer, Repeating waveforms initiated by a 180 -190 ka geomagnetic excursion in Western North America: implications for field behavior during polarity transitions and subsequent secular variation, Journal of Geophysical Research, 99: 24,105-24,119, 1994.

11. Roberts, A.P., K.L. Verosub & R.M. Negrini, Middle/Late Pleistocene relative palaeointensity of the geomagnetic field from lacustrine sediments, Lake Chewaucan, western United States, Geophysical Journal International, 118: 101-110, 1994.

10. Cui, Y.L., K.L. Verosub & A.P. Roberts, The effect of maghemitization on large multi-domain magnetite, Geophysical Research Letters, 21: 757-760, 1994.

9. Roberts, A.P., G.M. Turner & P.P. Vella, Magnetostratigraphic chronology of Late Miocene to Early Pliocene biostratigraphic and oceanographic events in New Zealand, Bulletin of the Geological Society of America, 106: 665-683, 1994.

8. Lin, J.L., K.L. Verosub & A.P. Roberts, Decay of the virtual dipole moment during polarity transitions and geomagnetic excursions, Geophysical Research Letters, 21: 525-528, 1994.

7. Pillans, B.J., A.P. Roberts, G.S. Wilson, S.T. Abbott & B.V. Alloway, Magnetostratigraphic, lithostratigraphic and tephrostratigraphic constraints on Middle/Lower Pleistocene sea level changes, Wanganui Basin, New Zealand, Earth and Planetary Science Letters, 121: 81-98, 1994.

6. Weeks, R., C. Laj, L. Endignoux, M. Fuller, A. Roberts, R. Manganne, E. Blanchard & W. Goree, Improvements in long core measurement techniques: applications in palaeomagnetism and palaeoceanography, Geophysical Journal International, 114: 651-662, 1993.

5. Roberts, A.P. & B.J. Pillans, Rock magnetism of Middle/Lower Pleistocene marine sediments, Wanganui Basin, New Zealand, Geophysical Research Letters, 20: 839-842, 1993.

4. Roberts, A.P. & G.M. Turner, Diagenetic formation of ferrimagnetic iron sulphide minerals in rapidly deposited marine sediments, New Zealand, Earth and Planetary Science Letters, 115: 257-273, 1993.

3. Roberts, A.P. & G.S. Wilson, Stratigraphy of the Awatere Group, Marlborough, New Zealand, Journal of the Royal Society of New Zealand, 22: 187-204, 1992.

2. Roberts, A.P., Paleomagnetic constraints on the tectonic rotation of the southern Hikurangi margin, New Zealand Journal of Geology and Geophysics, 35: 311-323, 1992.

1. Turner, G.M., A.P. Roberts, C. Laj, C. Kissel, A. Mazaud, S. Guitton & D.A. Christoffel, New paleomagnetic results from Blind River: revised magnetostratigraphy and tectonic rotation of the Marlborough region, South Island, New Zealand, New Zealand Journal of Geology and Geophysics, 32: 191-196, 1989.

 

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