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Clark M. Johnson

Affiliations: 
1997- Geology & Geophysics University of Wisconsin, Madison, Madison, WI 
Area:
Geology, Geochemistry
Website:
https://nai.nasa.gov/directory/johnson-clark/
Google:
"Clark M. Johnson"
Bio:

http://www.geology.wisc.edu/WSSC/WSSC_Yr2-1.pdf
https://books.google.com/books?id=OpsvAQAAIAAJ

Cross-listing: Astrobiology Academic Family Tree

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Parents

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Robert G Coleman grad student 1986 Stanford
 (The questa magmatic system: Petrologic, chemical and isotopic variations in cogenetic volcanic and plutonic rocks of the latir volcanic field and associated intrusives, northern New Mexico)

Children

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Brian L Beard grad student 1992 UW Madison (Astrobiology Academic Family Tree)
Ronald C. Schott grad student 2000 UW Madison
Garret L. Hart grad student 2002 UW Madison
Thomas J. Lapen grad student 2005 UW Madison
Nancy J. Mahlen grad student 2007 UW Madison
Meagan E. Ankney grad student 2014 UW Madison
Silke Severmann post-doc (Chemistry Tree)
Andrew D. Czaja post-doc 2008-2012 UW Madison

Collaborators

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Brian L Beard collaborator 2013-2017 UW Madison (Astrobiology Academic Family Tree)
 (01/2013 - 12/2017 (CAN 6))
Nicolas J Beukes collaborator 2013-2017 University of Johannesburg
 (01/2013 - 12/2017 (CAN 6))
Eric S. Boyd collaborator 2013-2017 Montana State (Microtree)
 (01/2013 - 12/2017 (CAN 6))
Kathryn L. Bryson collaborator 2013-2017 NASA Ames Research Center (Astrobiology Academic Family Tree)
 (01/2013 - 12/2017 (CAN 6))
Aaron J. Cavosie collaborator 2013-2017 Recinto Universitario de Mayagüez
 (01/2013 - 12/2017 (CAN 6))
Suvankar Chakraborty collaborator 2013-2017 University of Kentucky (Chemistry Tree)
 (01/2013 - 12/2017 (CAN 6))
Max L Coleman collaborator 2013-2017 Jet Propulsion Laboratory
 (01/2013 - 12/2017 (CAN 6))
Pascale Ehrenfreund collaborator 2013-2017 George Washington University (Astronomy Tree)
 (01/2013 - 12/2017 (CAN 6))
Andreas K. G. Elsässer collaborator 2013-2017 Leiden (Chemistry Tree)
 (01/2013 - 12/2017 (CAN 6))
David Emerson collaborator 2013-2017 Bigelow Laboratory for Ocean Sciences (Microtree)
 (01/2013 - 12/2017 (CAN 6))
Philip W. Fralick collaborator 2013-2017 Lakehead University
 (01/2013 - 12/2017 (CAN 6))
Kouki Kitajima collaborator 2013-2017 UW Madison (Astrobiology Academic Family Tree)
BETA: Related publications

Publications

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Smith AJB, Beukes NJ, Gutzmer J, et al. (2020) Life on a Mesoarchean marine shelf - insights from the world's oldest known granular iron formation. Scientific Reports. 10: 10519
Fortney NW, Beard BL, Hutchings JA, et al. (2020) Geochemical and Stable Fe Isotopic Analysis of Dissimilatory Microbial Iron Reduction in Chocolate Pots Hot Spring, Yellowstone National Park. Astrobiology
Williams RT, Beard BL, Goodwin LB, et al. (2020) Corrigendum to radiogenic isotopes record a ‘drop in a bucket’–A fingerprint of multi-kilometer-scale fluid pathways inferred to drive fault-valve behavior [J. Struct. Geol. 125 (2019) 262–269] Journal of Structural Geology. 138: 103897
Chanda P, Zhou Z, Latta DE, et al. (2020) Effect of organic C on stable Fe isotope fractionation and isotope exchange kinetics between aqueous Fe(II) and ferrihydrite at neutral pH Chemical Geology. 531: 119344
Williams RT, Beard BL, Goodwin LB, et al. (2019) Radiogenic isotopes record a ‘drop in a bucket’ – A fingerprint of multi-kilometer-scale fluid pathways inferred to drive fault-valve behavior Journal of Structural Geology. 125: 262-269
Zheng XY, Beard BL, Johnson CM. (2019) Constraining silicon isotope exchange kinetics and fractionation between aqueous and amorphous Si at room temperature Geochimica Et Cosmochimica Acta. 253: 267-289
Frierdich AJ, Nebel O, Beard BL, et al. (2019) Iron isotope exchange and fractionation between hematite (α-Fe2O3) and aqueous Fe(II): A combined three-isotope and reversal-approach to equilibrium study Geochimica Et Cosmochimica Acta. 245: 207-221
Haroldson EL, Beard BL, Satkoski AM, et al. (2018) Gold remobilization associated with Mississippi Valley–type fluids: A Pb isotope perspective Geological Society of America Bulletin. 130: 1583-1595
Zheng XY, Beard BL, Johnson CM. (2018) Assessment of matrix effects associated with Fe isotope analysis using 266 nm femtosecond and 193 nm nanosecond laser ablation multi-collector inductively coupled plasma mass spectrometry Journal of Analytical Atomic Spectrometry. 33: 68-83
Czaja AD, Kranendonk MJV, Beard BL, et al. (2018) A multistage origin for Neoarchean layered hematite-magnetite iron formation from the Weld Range, Yilgarn Craton, Western Australia Chemical Geology. 488: 125-137
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