John Cottle UCSB Earth Science
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  • RESEARCH
    • Himalayan Tectonics
    • Antarctic Tectonics
    • Rare Earth Element Mineralization
    • New techniques in geochronology
  • PEOPLE
  • PUBLICATIONS
  • TEACHING
  • FACILITIES
    • Laser Ablation Split Stream Lab
    • Electron Microscopy Lab
    • Raman Laser Spectroscopy
    • Optical Microscopy
    • Mineral Separation Labs
    • XRF Prep Lab
  • HOME
  • RESEARCH
    • Himalayan Tectonics
    • Antarctic Tectonics
    • Rare Earth Element Mineralization
    • New techniques in geochronology
  • PEOPLE
  • PUBLICATIONS
  • TEACHING
  • FACILITIES
    • Laser Ablation Split Stream Lab
    • Electron Microscopy Lab
    • Raman Laser Spectroscopy
    • Optical Microscopy
    • Mineral Separation Labs
    • XRF Prep Lab
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 John M. Cottle
Professor of Geology
Department of Earth Science & Earth Research Institute
University of California, Santa Barbara, CA 93106-9630
Email: cottle@geol.ucsb.edu Tel: (
805)-893-7315 (Location map)

D.Phil., University of Oxford, 2008
M.Sc., University of Otago, 2002
B.Sc., University of Otago, 2000

Google Scholar Page
We are always looking for people to join our group. If any of the projects on our Research page interest you, get in touch.

Current Group Members

Elizabeth Erickson

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Ph.D. Geochronology of granitoids  from Northern Victoria Land, Antarctica

Lindsay Buff

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Ph.D. Global Carbonatite magmatism 

Sandy Schwarzbart

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Undergraduate Researcher

Melia Ochoa

Undergraduate Researcher

Dylan Schroeder

Undergraduate Researcher

Past Group Members

Alex Johnson

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Ph.D. Geochronology  of metamorphic rocks from the Himalaya
Alex sadly passed away in 2021 and was awarded a posthumous PhD. See tributes to Alex here and here 

Francisco Apen

Layia Asakawa-Ekeland

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Ph.D. Thermochronology of the lower crust

Undergraduate Researcher

Ted Brown

Aran Mazariegos

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Undergraduate Researcher

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Undergraduate Researcher

Nicole Aikin

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Undergraduate Researcher

Erin Solloway

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Undergraduate Researcher

Valeria Jaramillo Hernandez

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Undergraduate Researcher

Demian Nelson

Sarah Grimes

Riley Rohrer

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PhD student & Postdoctoral Fellow

Undergraduate Researcher

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Undergraduate Researcher

Nicolas Piette-Lauzière

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Visiting Ph.D. student from UBCO

Josh Franck

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Undergraduate Researcher

Josh Hoeflich

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Undergraduate Researcher

Daniel Torres

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Undergraduate Researcher

Kayla Leal

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Undergraduate Researcher

Charu Garapaty

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Undergraduate Researcher

Adam Kershner

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Undergraduate Researcher

Bettie Coy

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Undergraduate Researcher

CJ Lemler

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Undergraduate Researcher

Nicoletta Browne

M.Sc. Geochemistry of
Granite Harbor Intrusives, Antarctica
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Elisa Medri

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Undergraduate Researcher

Gin Li

Undergraduate Researcher



Sophie Briggs

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Ph.D. Magmatic and Metamorphic evolution of the Southern Alps, NZ

Janelle McAtamney

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Ph.D. Structural and 
thermochronologic evolution of the Main Central Thrust, Nepal

Carina Edelman

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M.Sc. Geochronology of
REE-bearing Rocks in Colorado.


Chris Strong

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Undergraduate Researcher

Nikki Arnush

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Undergraduate Researcher

Mason Gonzalez

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Undergraduate Researcher

Michelle Carter

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Undergraduate Assistant

Haley Perry

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Undergraduate Assistant

Keith Chancey

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Undergraduate Researcher

Michael Truong

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Undergraduate Assistant

Elizabeth Spacone

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Undergraduate Researcher

Matthew Mazzoni

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Undergraduate Assistant

Erin Shea

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Postdoctoral Scholar

Jacob Poletti

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M.Sc. 2015.  Petrogenesis of the Mountain Pass Intrusive Suite. 

Graham Hagen-Peter

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PhD. 2015. Magmatic
evolution of  the southern Victoria Land segment of the Ross Orogen, insight from U-Pb and Hf isotopes. 

Graham Lederer

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PhD. 2015. Petrochronology of crustal anatexis in the Leo Pargil Dome, NW India. 

Tou Xiong

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Undergraduate Assistant

Catherine Mottram

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Fulbright Postdoctoral Scholar
2014-15

Paige Granneman

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Undergraduate Researcher

Nolan Blackford

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Undergraduate Researcher

Tyson McKinney

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M.Sc. 2014. Rare Earth
Element Mineralization in Joshua Tree National Park.

Kyle Moulton

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Undergraduate Researcher

Jason Schmidt

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Undergraduate Researcher

Bryan Norman

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M.Sc. 2013.

Amanda Willingham

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M.Sc. 2012. Time-scales of melt generation and migration in the Ama
Drime Massif, Southern Tibet.

Justin LaForge

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Undergraduate Assistant

Camille Collett

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Undergraduate Assistant

Dawn Kellett

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Postdoctoral Scholar

Robert Maksimow

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Undergraduate Researcher

Christie Villanueva

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Undergraduate Researcher

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