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Jeffrey R. Johnson
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Journal Article

Visible to near-infrared MSL/Mastcam multispectral imaging: Initial results from select high-interest science targets within Gale Crater, Mars

Danika F. Wellington, James F. Bell, III, Jeffrey R. Johnson, Kjartan M. Kinch, Melissa S. Rice, Austin Godber, Bethany L. Ehlmann, Abigail A. Fraeman, Craig Hardgrove, the MSL Science Team
Published: 01 June 2017
American Mineralogist (2017) 102 (6): 1202–1217.
DOI: https://doi.org/10.2138/am-2017-5760CCBY
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VNIR multispectral observations of aqueous alteration materials by the Pancams on the Spirit and Opportunity Mars Exploration Rovers

William H. Farrand, Jeffrey R. Johnson, Melissa S. Rice, Alian Wang, James F. Bell, III
Published: 01 September 2016
American Mineralogist (2016) 101 (9): 2005–2019.
DOI: https://doi.org/10.2138/am-2016-5627
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Constraints on iron sulfate and iron oxide mineralogy from ChemCam visible/near-infrared reflectance spectroscopy of Mt. Sharp basal units, Gale Crater, Mars

Jeffrey R. Johnson, James F. Bell, III, Steve Bender, Diana Blaney, Edward Cloutis, Bethany Ehlmann, Abigail Fraeman, Olivier Gasnault, Kjartan Kinch, Stéphane Le Mouélic, Sylvestre Maurice, Elizabeth Rampe, David Vaniman, Roger C. Wiens
Published: 01 July 2016
American Mineralogist (2016) 101 (7): 1501–1514.
DOI: https://doi.org/10.2138/am-2016-5553
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High concentrations of manganese and sulfur in deposits on Murray Ridge, Endeavour Crater, Mars

Raymond E. Arvidson, Steven W. Squyres, Richard V. Morris, Andrew H. Knoll, Ralf Gellert, Benton C. Clark, Jeffrey G. Catalano, Brad L. Jolliff, Scott M. McLennan, Kenneth E. Herkenhoff, Scott VanBommel, David W. Mittlefehldt, John P. Grotzinger, Edward A. Guinness, Jeffrey R. Johnson, James F. Bell, III, William H. Farrand, Nathan Stein, Valerie K. Fox, Matthew P. Golombek, Margaret A.G. Hinkle, Wendy M. Calvin, Paulo A. de Souza, Jr.
Published: 01 June 2016
American Mineralogist (2016) 101 (6): 1389–1405.
DOI: https://doi.org/10.2138/am-2016-5599
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Thermal infrared spectroscopy and modeling of experimentally shocked basalts

Jeffrey R. Johnson, Matthew I. Staid, Michael D. Kraft
Published: 01 July 2007
American Mineralogist (2007) 92 (7): 1148–1157.
DOI: https://doi.org/10.2138/am.2007.2356
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Thermal infrared spectroscopy and modeling of experimentally shocked plagioclase feldspars

Jeffrey R. Johnson, Friedrich Hörz, Matthew I. Staid
Published: 01 October 2003
American Mineralogist (2003) 88 (10): 1575–1582.
DOI: https://doi.org/10.2138/am-2003-1020
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