School of Environment

 



Sonja Storm
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Job title: PhD Student
Phone: 64 9 373 7599 ext xxxxx
Office: Rm 1012, Bldg 301, Auckland
Postal: School of Environment, The University of Auckland, Private Bag 92019, Auckland
Email: s.storm@auckland.ac.nz

Qualifications

09/2006      "Diplom" in Geology, Christian-Albrechts-Universität zu Kiel; IFM-GEOMAR, Germany

                     Thesis title: Genesis of silicic magmas in Iceland: Significance for crustal formation

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Biography

since August 2009      

PhD Candidate, School of Environment, The University of Auckland, New Zealand

03/2008 – 03/2009    

Graduate Exploration Geologist, Encounter Resources Limited, Perth, Australia

02/2007 – 02/2008    

Exploring Outback Australia

11/2006                      

Student assistant, marine geological expedition with RV “Maria S. Merian”, Fort-de-France – Fort-de-France (Martinique)

 

10/2005 – 08/2006    

Student assistant in the research divison “Magmatic and Hydrothermal Systems”, IFM-GEOMAR, Germany

08/2005                      

Student assistant, marine geological expedition with RV “Poseidon”, Akureyri Akureyri (Iceland)

11/2004 – 12/2004     

Student assistant, marine geological expedition with RV “Meteor”, Recife (Brazil) – Walvis Bay (Namibia)

09/2004 – 10/2004    

Internship in melt inclusion studies, Australian Research Special Centre for Ore Deposit Research (CODES SRC) and Department of Earth Sciences of the University of Tasmania, Australia

11/2002 – 08/2004    

Student assistant in the Department of Mineralogy/Petrology, Institute of Geosciences, Christian-Albrechts-Universität zu Kiel, Germany

10/2001 – 09/2006    

Studies in Geology, Christian-Albrechts-Universität zu Kiel, Germany

 

Field work pictures

Mapping in Heimaey / Iceland

Greenfield exploration in Western Australia

 

Zircon geochronology of rhyolites from Tarawera Volcano / New Zealand

 

 

Research

Provisional thesis title:

Crystallisation history of rhyolite magmas at Tarawera volcano, New Zealand, from in-situ 238U-232Th disequilibrium dating of zircon

Supervisors:

Assoc Prof Phil Shane, School of Environment, The University of Auckland

Dr Jan M. Lindsay, School of Environment, The University of Auckland

Advisor:

Adj Assoc Prof Axel K. Schmitt, University of California Los Angeles

My research is on the evolution history of rhyolite magmas at Tarawera volcano in the Okataina Volcanic Center, central North Island of New Zealand. I investigate the crystallisation history of zircon crystals through in-situ U-Th geochronology in collaboration with UCLA to understand the processes and controls on rhyolite production at Tarawera. The stratigraphy, geochemistry, and petrology are well known from previous work, but this is the first attempt to apply U-Th methods to its eruption deposits. With this study we will provide the important temporal dimension to the study of magma evolution. Understanding mechanisms of silicic magma generation and timescales of differentiation and melt extraction is essential for modelling future events and forecasting future activity.

                    

Picking zircon under the binocular microscope     Cathodoluminescence image of oscillatory zoned zircon

Ion-microprobe work at UCLA

 

Tutoring

GEOLOGY 203 (2010, 2011)

GEOLOGY 304 (2010, 2011)

 

Professional Memberships

American Geophysical Union

Geological Society of New Zealand

 

Awards and Scholarships

University of Auckland International Doctoral Scholarship, 2009-2012

Best student talk, GSNZ conference, Auckland, Nov 2010

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Most Recent Publications

Shane, P., Storm, S., Schmitt, A.K. and Lindsay, J.M. (2012). Timing and conditions of formation of granitoid clasts erupted in recent pyroclastic deposits from Tarawera Volcano (New Zealand). Lithos 140-141, 1-10.

Storm, S., Shane, P., Schmitt, A. K. & Lindsay, J. M. (2012). Decoupled crystallization and eruption histories of the rhyolite magmatic system at Tarawera volcano revealed by zircon ages and growth rates. Contributions to Mineralogy and Petrology 163, 505-519.

Storm, S., Shane, P., Schmitt, A. K. & Lindsay, J. M. (2011). Contrasting punctuated zircon growth in two syn-erupted rhyolite magmas from Tarawera volcano: Insights to crystal diversity in magmatic systems. Earth and Planetary Science Letters 301, 511-520.

 

Conference Presentations

Storm, S., Shane, P., Schmitt, A. K. & Lindsay, J. M.: Evolution of the magma system at Tarawera volcano, New Zealand, from U-Th disequilibrium dating of zircon. IUGG, Melbourne, 03-07 Jul 2011.

Storm, S., Shane, P., Schmitt, A. K. & Lindsay, J. M.: Contrasting protracted and punctuated zircon growth in two syn-erupted rhyolite magmas from Tarawera volcano: insights to the heterogeneity of crystal mush. American Geophysical Union, San Francisco, 13-17 Dec 2010, (poster).

Storm, S., Shane, P., Schmitt, A. K. & Lindsay, J. M.: Independent zircon crystallisation histories revealed in syn-erupted rhyolite magmas from the 21.8 ka Okareka eruption episode, New Zealand: Insights to the heterogeneity of crystal mush. Geological Society of New Zealand conference, Auckland, 22-24 Nov 2010.

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Graduate Students

 

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