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Curtin University
Staff Profile

Dr Aaron Cavosie

Dr Aaron Cavosie Dr Aaron Cavosie
Position Senior Research Fellow
Faculty Faculty of Science and Engineering
School Western Australian School of Mines
Department Department of Applied Geology
Campus Bentley Campus
Location 314.165
Phone +61 8 9266 1974
Email Aaron.Cavosie@curtin.edu.au
ORCID orcid.org/0000-0001-6819-6810
Google Scholar scholar.google.com.au/citations?user=dFes8RoAAAAJ&hl=en
Scopus Author Identifier www.scopus.com/authid/detail.url?authorId=7801313029

Brief Summary

Professional interests

Detrital shocked minerals- a wild collision of cross-disciplinary studies that blends planetary geology, mineralogy, impact cratering, igneous petrology, sedimentology, accessory mineral geochemistry, shock metamorphism, crystallography, geomorphology, astrobiology, early Earth studies, and the origin of life...!

Passion in research

Understanding early Earth processes preserved in sedimentary records, such as detrital zircons and other phases. Ancient sand grains record information on Earth's earliest crust, the first oceans, early meteorite impacts, and habitability conditions that allowed life to arise. Since most of the early rock record is gone, using geochemistry and geochronology to extract information from these sand grains provides information on the earliest Earth that is unique. I also spend a fair bit of time focused on understanding the limitations of what one can interpret from these early records.

We specialize in zircons from unique environments

My group works at sites in Australia, South Africa, USA, China, Canada, and elsewhere where both modern and ancient detrital zircons may record evidence or inform about early Earth and impact processes, such as impact craters, mid-ocean ridges, marbles, granitoids, and other environments, both common and rare. Recent projects in 2016 include Meteor Crater (USA), and the Santa Fe impact crater (USA). 2015 projects included sites at the Rock Elm impact crater (USA) and the Vredefort Dome (South Africa). 

Our results provide information on meteorite impacts on the early Earth, Moon, Mars, and meteorites in order to constrain when habitability conditions were established for the rise of life.

Techniques we routinely use include scanning electron microscopy (SEM), electron backscatter diffraction (EBSD), secondary ion mass spectrometry (SIMS), atom probe tomography (APT), and others.

Overview

2016 (Nov.) Media interview about geology as a profession, by David Wilson. The story ran in the Sydney Morning Herald, and was later run by The Canberra Times, the Brisbane Times, WA Today, and The Age.

Sydney Morning Herald: http://www.smh.com.au/business/workplace-relations/head-20161115-gsq7xp.html 

2016 (Sept.) Media story about our Meteor Crater discovery in the Isthmus (USA):

http://isthmus.com/news/news/meteor-site-reveals-new-information-about-earths-past/

2016 (July) press releases of our Meteor Crater zircon paper published in Geology:

Curtin University: http://news.curtin.edu.au/media-releases/curtin-scientists-crystal-discovery-sheds-new-light-impact-craters/

University of Wisconsin: http://news.wisc.edu/cataclysm-at-meteor-crater-crystal-sheds-light-on-earth-moon-mars/

NASA Astrobiology: https://astrobiology.nasa.gov/news/cataclysm-at-meteor-crater-crystal-sheds-light-on-earth-moon-and-mars/

Phys.org: http://phys.org/news/2016-07-cataclysm-meteor-crater-crystal-earth.html

Geological Society of America: http://www.geosociety.org/news/pr/2016/16-44.htm

Downloade the Open Access article here: http://geology.gsapubs.org/content/44/9/703.full.pdf+html

2015 press releases of our detrital zircon study that questions using zircon to date lunar impacts published in Geology:

Curtin University: http://news.curtin.edu.au/media-releases/curtin-scientists-question-impact-history-of-the-moon/

University of Wisconsin: http://news.wisc.edu/study-questions-dates-for-cataclysms-on-early-moon-earth/

Phys.org: http://phys.org/news/2015-10-dates-cataclysms-early-moon-earth.html

Astrobiology Magazine: http://www.astrobio.net/topic/solar-system/earth/geology/study-questions-dates-for-cataclysms-on-early-moon-earth/

ABC news: http://www.abc.net.au/news/2015-10-28/zircon-study-questions-method-used-to-help-date-life-on-earth/6890122

2015 press releases of our discovery of the rare high pressure zircon called reidite at the Rock Elm impact crater, published in Geology:

Livescience: http://www.livescience.com/48584-reidite-discovered-rock-elm-wisconsin.html

NASA Astrobiology: https://astrobiology.nasa.gov/news/rare-mineral-in-wisconsin-meteorite-crater/

Phys.org: http://phys.org/news/2015-01-rare-mineral-wisconsin-crater.html

Astrobiology Magazine: http://www.astrobio.net/news-brief/rare-mineral-found-wisconsin-crater/

Iflscience (this site received >42,000 'shares' on Facebook...!): http://www.iflscience.com/environment/extremely-rare-mineral-found-450-million-year-old-meteorite-impact-crater/

Wisconsin Public Radio interview (podcast): http://www.wpr.org/incredibly-rare-mineral-discovered-wisconsin-meteor-crater

2014 press release of our discovery of the oldest zircon on Earth, from Western Australia, confirmed with atom probe, published in NatureGeoscience:

Livescience: http://www.livescience.com/43584-earth-oldest-rock-jack-hills-zircon.html

Nature Geoscience: http://www.nature.com/ngeo/journal/v7/n3/full/ngeo2075.html

Sci News: http://www.sci-news.com/geology/science-jack-hills-zircon-oldest-known-fragment-earth-01779.html

Australian Geographic: http://www.australiangeographic.com.au/news/2014/02/australian-gem-the-worlds-oldest

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Publications

2017

Journal Articles (Research)

2016

Journal Articles (Research)

2015

Journal Articles (Research)

2014

Journal Articles (Research)

2013

Journal Articles (Research)

2012

Journal Articles (Research)

2011

Journal Articles (Research)

2010

Journal Articles (Research)

2009

Journal Articles (Research)

2007

Books (Research)

2005

Journal Articles (Research)

2003

Journal Articles (Research)

2002

Journal Articles (Research)

Additional publication categories

2014

Journal Articles (Scholarly/Professional)

2005

Journal Articles (Scholarly/Professional)

  • Sepahi, A., and A. Cavosie. 2005.“Constraints on isotope thermometry of quartz-aluminosilicate veins in the Hamadan region using oxygen stable isotopes.”Iranian Journal of Crystallography and Mineralogy 13 (1): 201-212.
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Publications

Additional publications (peer reviewed journal articles) that are not listed above:

2014

Cavosie, A.J. (2014). Reconciling early impacts and the rise of life. Geology 42, 463-464.

Valley, J.W., Cavosie, A.J., Ushikubo, T., Reinhard, D.A., Lawrence, D.F., Larson,D.J., Clifton, P.H., Kelly, T.F., Wilde, S.A., Moser, D.E., and Spicuzza, M.J. (2014) Hadean age for a post-magma-ocean zircon confirmed by atom probe tomography. Nature Geoscience, 7, 219-223.

2008

Fu, B., Page, Z.B., Cavosie, A.J., Clechenko, C.C., Fournelle, J., Kita, N.T., Lackey, J.S., Wilde, S.A., Valley, J.W. (2008) Ti-in zircon thermometry: Applications and limitations. Contributions to Mineralogy and Petrology. 156, 197-215.

Wilde, S.A., Valley, J.W., Kita, N.T., Cavosie, A.J., Dunyi, L. (2008) SHRIMP U-Pb and Cameca 1280 oxygen isotope results from ancient detrital zircons in the Caozhuang quartzite, eastern Hebei, North China Craton: Evidence for crustal recycling 3.8 Ga ago. American Journal of Science 308, 185-199. doi:10.2475/01.2008.00).

2007

Utsunomiya, S., Palenik, C.S., Valley, J.W., Cavosie, A.J., Wilde, S.A., Ewing, R.C. (2007). Threshold radiation dose for significant elemental migration in zircon from Jack Hills, Western Australia. Chemical Geology, 236, 92-111.

2006

Cavosie, A.J., Valley, J.W., Wilde, S.A., E.I.M.F. (2006) Correlated microanalysis of zircon: Trace element, δ18O, and U-Th-Pb isotopic constraints on the igneous origin of complex >3900 Ma detrital grains. Geochim. Cosmochim. Acta 70(22), 5601-5616.

Valley, J.W., Cavosie, A.J., Fu, B., Peck, W.H., Wilde, S.A. (2006) Technical comment on “Heterogeneous Hadean hafnium: Evidence of continental crust at 4.4. to 4.5 Ga” Science 319, 1139a.

2005

Cavosie, A.J., Wilde, S.A., Valley, J.W., E.I.M.F. (2005) Magmatic δ18O in 4400-3900 Ma detrital zircons: A record of the alteration and recycling of crust in the Early Archean. Earth Planet. Sci. Lett., 235, p. 663-681.

Sepahi, A.A., Cavosie, A.J. (2005) Constraints on isotope thermometry of quartz-aluminosilicate veins in the Hamadan region using oxygen stable isotopes. Iranian Journal of Crystallography Mineralogy, 13(1), 201-212 (in Farsi; abstr. in English).

2004

Cavosie, A.J., Liu, D., Wilde, S.A., Weiblen, P.W., Valley, J.W. (2004) Internal structure and U-Th-Pb chemistry of Jack Hills detrital zircons: a mineral record of Early Archean to Mesoproterozoic (4348-1576 Ma) magmatism. Precambrian Res. 135, 251-279.

Utsunomiya, S., Palenik, C.S., Valley, J.W., Cavosie, A.J., Wilde, S.A., Ewing, R.C. (2004) Nanoscale occurrence of Pb in an Archean zircon. Geochim. Cosmochim. Acta, 68, 4679-4686.

2003

Cavosie, A.J. and Selverstone, J. (2003) Early Proterozoic oceanic crust in the northern Colorado Front Range: Implications for crustal growth and initiation of basement faults. Tectonics, 22(2), 1015, doi: 10.1029/2001TC001325, 23 pp.

2002

Cavosie, A.J., Sharp, Z.D., Selverstone, J. (2002) Co-existing aluminum silicates in quartz veins: A quantitative approach for determining andalusite-sillimanite equilibrium in natural samples using oxygen isotopes, American Mineralogist, 87, no. 4, 417-426.

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