Gravelmonkeys. (L-R) Cedric, Cassy, Prince, Eric, Tylah, Emma, Chris, Hannah, Kelly, and Quaid.

Gravelmonkeys Team


Supreme Director

Associate Professor Eric M. Roberts 
Head of Geosciences, College of Science and Engineering, JCU

Ph.D. Geology ('05)  University of Utah, USA; 
M.Sc. Geology ('99) University of Montana, USA;
B.A. Geology & Environmental Studies ('96) Cornell College, USA.

Primary supervisor for most of the Gravelmonkeys.

Click Here for Eric's Research Page.

Postdoctoral Researcher/Lecturer

Dr. Hannah Hilbert-Wolf
Post-Doctoral Researcher/Lecturer in Geosciences (Sedimentology).
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Ph.D Geology, (2016) - James Cook University, Australia.
BA Geology, (2012) - Carleton College, USA.



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Current Students

Prince Owusu Agyemang, PhD Candidate (2014-)
Sedimentary Provenance analysis of Jurassic-Cretaceous continental strata across central Africa.
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Christopher Todd, PhD Candidate (2015-), Editor-in-Chief, Gravelmonkeys.org (2015 - ),   
The stratigraphy and sedimentary basin analysis of Queensland's Mesozoic basins and the reconstruction of their histories and palaeodrainage evolutions.
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B. Geology (Class I Honours), 2014 - James Cook University.


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Jelle Wiersma, PhD Candidate (2016-)
Cave Sedimentation Processes and Geochronology of the Rising Star Cave, Cradle of Humankind, South Africa.

MSc. Geology, 2015. University of Utah, USA.
BSc. Geology, 2011. VU University Amsterdam, the Netherlands.


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Jess Robbins, PhD Candidate (2016-) - Primary Supervisor Paul Dirks
Constraining the age and paleoenvironment of Homo naledi, Rising Star Cave, South Africa.



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Kelly Heilbronn, PhD Candidate (2016-) - Primary Supervisor Rob Holm
Establishing a tectonic framework for the eastern margin of Australia during the Jurassic:
Sedimentary provenance, basin analysis and geodynamic modelling of the Queensland Plateau and Lord Howe Rise.

B. Geology (Class I Honours), 2015 - James Cook University

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​Tegan Beveridge, PhD Candidate (2017-)
Bentonite tephrostratigraphy and high-precision geochronology of richly fossiliferous Upper Cretaceous continental strata in the Western Interior Basin, North America

B. Geology (Class 1 Honours). 2016 - James Cook University.
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Theresa Orr, Honours Student (2017)
Classification and morphology of selected Cretaceous, Paleogene and Neogene paleosols in the Rukwa Rift Basin, southwestern Tanzania. Reconstruction of the Oligocene paleoenvironment and paleoclimate using paleosol horizons

BSc. Geology 2016 - James Cook University

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Mason Baty, Honours Student (2017-2018)



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Leigh Lawrence, PhD Candidate (2017-) - Primary Supervisor Carl Spandler.
​Geochemistry of titanite-hosted alkaline melt inclusions from Oligocene-aged volcanic tuffs in the Rukwa Rift Basin, southwestern Tanzania

B. Geology (Class 1 Honours), 2016 - James Cook University
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Chris Yule, PhD Candidate (2017-) - Primary Supervisor James Daniell.
Seismic stratigraphy and petroleum systems of the Mentelle Basin, south west Western Australia

B. Science (Adv.) Geology (Class 1 Honours). 2016 - James Cook University

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Michal Wenderlich, PhD Candidate (2017-) - Primary Supervisor James Daniell


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Paul Slezak, PhD Candidate (2015-) ​- Primary Supervisor Carl Spandler
Evolution and origin of the Gifford Creek Carbonatite Complex: Understanding Rare Earth Element Mobility in the Continental Crust

M.Sc. Geology ('12) Queen's University, Canada
B.S. Geology ('09) New Mexico Tech, USA

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Behnam Sadeghi, PhD Candidate (2015-) - Primary Supervisor John Carranza
Quantification of Uncertainty in Univariate Geochemical Anomalies for Mineral Exploration
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MSc. Mining Engineering/Exploration, Islamic Azad University (2012)
BSc. Mining Engineering/Exploration,  University of Kurdistan (2009)

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Research Undergraduates

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Cedric Hagen, Research Exchange Student, Macalester College, USA.
​Project: Geology and Taphonomy of the Lotosaurus Adentus bonebed, Hunan, China.

Semester 1 - 2015


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Alyssa Erding, Study Abroad Student from Macalester College, USA.
Project: petrographic analysis of a volcanic ash bed & U-Pb DZ geochronology of a separate unit.

Semester 2 - 2015

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Grace Guenthner, Study Abroad Student from Macalester College, USA.

Semester 1 - 2016

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​Rachel Surprenant, Study Abroad Student from Macalaster College, USA.

Semester 1, 2017

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Gravelmonkeys Photos