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Research

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Dr Alexander Iveson

Postdoctoral Research Associate in the Department of Earth Sciences

Contact Dr Alexander Iveson (email at alexander.a.iveson@durham.ac.uk)

Education

BSc (Hons) Geology - The University of Edinburgh (2008 - 2012)

Mapping Dissertation: Breiðdalur, Eastern Iceland

Supervisor: Thor Thordarson (Univ. of Iceland)

PhD Geology - Washington State University (2013 - 2017)

Research Dissertation: The Magmatic-Hydrothermal Behaviour of Trace and Ore Elements Within Intermediate-Evolved Igneous Systems 

Supervisors: Jim Webster (AMNH); Mike Rowe (Univ. of Auckland); John Wolff (WSU)

Research Overview

My current research focuses on improving our understanding of volatile recycling at subduction zones through analysis of primitive rocks from Kamchatka.

Our project involves the in-situ analysis (EPMA, LA-ICP-MS, SIMS) of minerals, glasses, and melt inclusions to reveal systematic variations in the concentrations of H2O, C, F, Cl, S, B, and other volatile trace elements cycled through subduction zones.

My PhD research assimilated complimentary information derived from experimental petrology (IHPV) and natural volcanic samples (Augustine volcano, AK) to better constrain the fluid-crystal-melt partitioning behaviour and fluid transport of trace and ore elements in intermediate-evolved magmatic systems, and their associated hydrothermal ore deposits (Spirit Lake Pluton/Margaret Cu-Mo porphyry deposit, Mt. St. Helens, WA).

Research Interests

  • Geochemistry
  • Igneous Petrology
  • Volcanology
  • Hydrothermal Mineralisation

Publications

Rowe, M.C., Iveson, A.A., Sharpe, J. & Brokenshire, J. (in prep. – to be submitted 2018). Chalcophile fractionation during magma evolution in an active arc environment. 

Iveson, A.A., Webster, J.D., Rowe, M.C. & Neill, O.K. (in prep.to be submitted 2017). Experimental constraints on high temperature fluid-melt trace-element partitioning in evolved magmas, and implications for magmatic-hydrothermal transport of economic metals. 

Iveson, A.A., Rowe, M.C., Webster, J.D. & Neill, O.K. (in review). Experimental mineral-melt trace-element partitioning in hydrous rhyodacitic melts, and a record of metal mobility at Augustine volcano, AK, USA.

Iveson, A.A., Webster, J.D., Rowe, M.C. & Neill, O.K. (in review). Major element and halogen (F, Cl) mineral-melt partitioning behaviour in hydrous rhyodacitic melts at shallow crustal conditions.

Iveson, A.A., Webster, J.D., Rowe, M.C. & Neill, O.K. (2016). Experimental and natural partitioning behaviour of trace elements between hydrous evolved melts, amphibole, plagioclase, and clinopyroxene at shallow crustal conditions. AGU Conference Abstracts, 2016: V31A-3072.

Iveson, A.A., Webster, J.D., Rowe, M.C. & Neill, O.K. (2016). Magmatic-hydrothermal fluids and volatile metals in the Spirit Lake Pluton and Margaret Cu-Mo porphyry system, SW Washington, USA. Contributions in Mineralogy & Petrology, vol. 171:20, DOI 10.1007/s00410-015-1224-6.

Rowe,M.C., Iveson, A.A.et al. (2015). Variation in Volatile and Ore Metal Abundances Along the New Zealand Volcanic Arc as Recorded by Minerals and Melt Inclusions. AGU Conference Abstracts, 2015: V43C-3170.

Wolff, J.A., Iveson, A.A., et al. (2015). A clinopyroxene-plagioclase geobarometer for A-type silicic volcanic rocks. AGU Conference Abstracts, 2015: V13A-3090.

Iveson, A.A., Webster, J.D., Rowe, M.C., 2014. Fluid alteration processes and base metal sulphides at Spirit Lake Pluton, Mt. St. Helens, WA. Goldschmidt Conference Abstracts, 2014: 1100.