Louise Schoneveld

PhD Candidate
Building J1, Room 223
 +61 2 6125 1230

Profile

Qualifications

Bachelor of Geology (Honours)

Biography

Education

  • 2014-Present - Doctor of Philosophy, Australian National University, Canberra
  • 2010-2013 - Bachelor of Geology with Honours, James Cook University, Townsville​

Awards and Distinctions

  • 2014 Allan White Scholarship, PhD, ANU
  • 2013 Ian Morely Thesis Prize
  • 2013 University Medal, James Cook Univesity
  • 2013 AIG Student Award, Australian Institute of Geosciences
  • 2013 Economic Geologist Research Unit Honours Scholarship, James Cook University
  • 2012 Academic Medal for Bachelor of Coursework, James Cook University

 

 

Research

Research interests

  • Geochemistry
  • Petrology
  • LA-ICP-MS operation, data processing and interpretation
  • EPMA operation, data processing and interpretation
  • Ore Genesis
  • Field Work
  • Analysis and interpretation of large data sets
  • Teaching

 

Current Doctoral Dissertation

Partitioning of Minor and Trace Elements between Plagioclase and Clinopyroxene

Supervisors: Hugh O'Neill and Joerg Hermann

Plagioclase and clinopyroxene are common rock forming minerals in mafic igneous rocks. It is generally assumed that post-magmatic re-equilibration of these phases is minimal, and so they are assumed to preserve their magmatic compositions. However, at present there is little empirical evidence to suggest that this assumption is universally applicable, and this uncertainty limits application of plagioclase and pyroxene chemistry to understanding how rocks such as gabbros, layered intrusions and basalts form. Understanding how partitioning between these two phases effect by temperature, pressure, oxygen fugacity, and possible sub-solidus re-equilibration, may create a new tool for determining the history of these mafic bodies.

Determining the partitioning of elements between plagioclase and clinopyroxene will be tested in two ways:

  1. Experiments at different temperatures, pressures, oxygen fugacities, water content and bulk composition to determine the basics of partitioning between plagioclase + melt and clinopyroxene + melt.
  2. Analysis of cumulate samples to determine if this partitioning can be used to determine the conditions of formation.

 

Previous Research

Honours Research

The Genesis of the Central Zone of the Nolans Bore Rare-Earth-Element Deposit, Northern Territory

Supervisor: Carl Spandler

The Nolans Bore deposit is a large resource for rare-earth-elements in Australia. In this project I logged 7 drill holes, characterised ore bodies, organised and interpreted bulk rock data, created a cross section for the central zone, and carried out in-situ mineral analysis and geochronology for the ore and alteration zones. It was found through this research that the central zone of Nolans Bore formed through the alteration and re-working of existing REE-bearing apatite veins into a brecciated REE-poor apatite and allantie assemblage with epidote and amphibole alterations. It was found that the origional apatite veins formed at approximately 1450Ma and the alteration occured at approximately 450Ma which both correlate to massive shearing events in the region. The amphibole chemistry suggests that the alteration fluids were acidic and reducing at temperatures between 450-800 degrees.

 

Internship with the Institute for the Study of the Earth's Interior, Misasa, Japan

High Pressure Raman Spectroscopy of Single Crystal Hydrous Wadsleyite and Hydrous Ringwoodite

Supervisors: Naotaka Tomioka and Takuo Okuchi

I was honoured with the opportunity to study for 6 weeks at the ISEI in Misasa, Japan. I worked on the Kawai-type multianvil apparatus to synthesise alrge single crystals of hydrous ringwoodite and hydrous wadsleyite. I was successful in synthesising both and conducted insitu high pressure hydroxyl stretching observations using a diamond anvil cell and observed the hydroxl peak through raman spectroscopy. The wadselyite hydroxl peak was successfully observed up to 15.5 GPa. The Ringwoodite hydroxl peak was not successfully observed. This research is still being carried out at ISEI and I was greatful to take part, if only for a short time.

 

Internship with CSIRO at the Australian Resource Research Centre. 

Sunrise Dam - Characterisation of alteration and mineralisation around a gold bearing vein

Supervisors: Louise Fisher and James Cleverley

A short investigation into three samples collected around a gold bearing vein. This was great experience in learning research techniques such as WRF, FEG-SEM, SEM, synchotron data, and XRD.

 

Supervision

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