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An olivine cumulate outcrop on the floor of Jezero crater, MarsThe geological units on the floor of Jezero crater, Mars, are part of a wider regional stratigraphy of olivine-rich rocks, which extends well beyond the crater. We investigate the petrology of olivine and carbonate-bearing rocks of the Séítah formation in the floor of Jezero. Using multispectral images and x-ray fluorescence data, acquired by the Perseverance rover, we performed a petrographic analysis of the Bastide and Brac outcrops within this unit. We find that these outcrops are composed of igneous rock, moderately altered by aqueous fluid. The igneous rocks are mainly made of coarse-grained olivine, similar to some Martian meteorites. We interpret them as an olivine cumulate, formed by settling and enrichment of olivine through multi-stage cooling of a thick magma body.
Document ID
20220012767
Acquisition Source
Johnson Space Center
Document Type
Reprint (Version printed in journal)
Authors
Y. Liu ORCID(Jet Propulsion Lab La Cañada Flintridge, California, United States)
M. M. Tice ORCID(Texas A&M University System College Station, Texas, United States)
M. E. Schmidt ORCID(Brock University St. Catharines, Ontario, Canada)
A. H. Treiman ORCID(Universities Space Research Association Columbia, Maryland, United States)
T. V. Kizovski ORCID(Brock University St. Catharines, Ontario, Canada)
J. A. Hurowitz ORCID(Stony Brook University Stony Brook, New York, United States)
A. C. Allwood (Jet Propulsion Lab La Cañada Flintridge, California, United States)
J. Henneke ORCID(Technical University of Denmark Kongens Lyngby, Hovedstaden, Denmark)
D. A. K. Pedersen ORCID(Technical University of Denmark Kongens Lyngby, Hovedstaden, Denmark)
S. J. VanBommel ORCID(Washington University in St. Louis St Louis, Missouri, United States)
Michael W. M. Jones ORCID(Queensland University of Technology Brisbane, Queensland, Australia)
A L Knight ORCID(Washington University in St. Louis St Louis, Missouri, United States)
B. J. Orenstein ORCID(Queensland University of Technology Brisbane, Queensland, Australia)
B. C. Clark ORCID(Space Science Institute Boulder, Colorado, United States)
W. T. Elam (University of Washington Applied Physics Laboratory Seattle, Washington, United States)
C. M. Heirwegh (Jet Propulsion Lab La Cañada Flintridge, California, United States)
T. Barber (Jet Propulsion Lab La Cañada Flintridge, California, United States)
L. W. Beegle ORCID(Jet Propulsion Lab La Cañada Flintridge, California, United States)
K. Benzerara ORCID(Centre national de la recherche scientifique Rabat, Morocco)
S Bernard ORCID(Institut de Minéralogie)
O. Beyssac ORCID(Institute of Mineralogy, Materials Physics and Cosmochemistry Paris, France)
Tanya Bosak ORCID(Massachusetts Institute of Technology Cambridge, Massachusetts, United States)
A. J. Brown ORCID(National Aeronautics and Space Administration Washington D.C., District of Columbia, United States)
E. L. Cardarelli ORCID(Jet Propulsion Lab La Cañada Flintridge, California, United States)
D. C. Catling ORCID(Jet Propulsion Lab La Cañada Flintridge, California, United States)
J. R. Christian ORCID(Washington University in St. Louis St Louis, Missouri, United States)
E. A. Cloutis ORCID(University of Winnipeg Winnipeg, Manitoba, Canada)
B. A. Cohen ORCID(Goddard Space Flight Center Greenbelt, Maryland, United States)
S. Davidoff ORCID(Jet Propulsion Lab La Cañada Flintridge, California, United States)
A. G. Fairén ORCID(Cornell University Ithaca, New York, United States)
K. A. Farley (California Institute of Technology Pasadena, California, United States)
D. T. Flannery ORCID(Queensland University of Technology Brisbane, Queensland, Australia)
A. Galvin (Jet Propulsion Lab La Cañada Flintridge, California, United States)
J. P. Grotzinger ORCID(California Institute of Technology Pasadena, California, United States)
S. Gupta ORCID(Imperial College London London, Westminster, United Kingdom)
James Hall ORCID(Massachusetts Institute of Technology Cambridge, Massachusetts, United States)
C. D. K. Herd ORCID(University of Alberta Edmonton, Alberta, Canada)
K. Hickman-lewis ORCID(Museum of London London, United Kingdom)
R. P. Hodyss ORCID(Jet Propulsion Lab La Cañada Flintridge, California, United States)
B. H. N. Horgan ORCID(Purdue University West Lafayette West Lafayette, Indiana, United States)
J. R. Johnson ORCID(Johns Hopkins University Applied Physics Laboratory North Laurel, Maryland, United States)
John Leif Jørgensen ORCID(Technical University of Denmark Kongens Lyngby, Hovedstaden, Denmark)
L. C. Kah ORCID(University of Tennessee at Knoxville Knoxville, Tennessee, United States)
J. N. Maki ORCID(Jet Propulsion Lab La Cañada Flintridge, California, United States)
L. Mandon ORCID(Centre national de la recherche scientifique Rabat, Morocco)
N. Mangold ORCID(Laboratoire de Planétologie et Géodynamique de Nantes Nantes, France)
F. M. McCubbin ORCID(Johnson Space Center Houston, Texas, United States)
S. M. McLennan ORCID(Stony Brook University Stony Brook, New York, United States)
K. Moore (California Institute of Technology Pasadena, California, United States)
M. Nachon ORCID(Texas A&M University System College Station, Texas, United States)
P. Nemere (Queensland University of Technology Brisbane, Queensland, Australia)
L. D. Nothdurft ORCID(Queensland University of Technology Brisbane, Queensland, Australia)
J. I. Núñez ORCID(Johns Hopkins University Applied Physics Laboratory North Laurel, Maryland, United States)
Lauren O'Neil ORCID(University of Washington Applied Physics Laboratory Seattle, Washington, United States)
C. M. Quantin-Nataf ORCID(University of Lyon System Lyon, France)
V. Sautter (Institute of Mineralogy, Materials Physics and Cosmochemistry Paris, France)
D. L Shuster ORCID(University of California, Berkeley Berkeley, California, United States)
K. L. Siebach ORCID(Rice University Houston, Texas, United States)
J. I. Simon ORCID(Johnson Space Center Houston, Texas, United States)
K. P. Sinclair ORCID(University of Washington Applied Physics Laboratory Seattle, Washington, United States)
K. M. Stack ORCID(Jet Propulsion Lab La Cañada Flintridge, California, United States)
A. Steele ORCID(Carnegie Institution for Science Washington D.C., District of Columbia, United States)
J. D. Tarnas ORCID(Jet Propulsion Lab La Cañada Flintridge, California, United States)
N. J. Tosca ORCID(University of Cambridge Cambridge, United Kingdom)
K. Uckert ORCID(Jet Propulsion Lab La Cañada Flintridge, California, United States)
A. Udry ORCID(University of Nevada, Las Vegas Las Vegas, Nevada, United States)
L. A. Wade ORCID(Jet Propulsion Lab La Cañada Flintridge, California, United States)
B. P. Weiss ORCID(Massachusetts Institute of Technology Cambridge, Massachusetts, United States)
R. C. Wiens ORCID(Los Alamos National Laboratory Los Alamos, New Mexico, United States)
K. H. Williford (Blue Marble Space Institute of Science Seattle, Washington, United States)
M.-P. Zorzano ORCID(University of Aberdeen Aberdeen, United Kingdom)
Date Acquired
August 17, 2022
Publication Date
August 25, 2022
Publication Information
Publication: Science
Publisher: American Association for the Advancement of Science
Issue Publication Date: August 25, 2022
ISSN: 0036-8075
e-ISSN: 1095-9203
DOI: 10.1126/science.abo2756
Subject Category
Lunar And Planetary Science And Exploration
Funding Number(s)
PROJECT: Mars 2020 Project
WBS: 203959
WBS: 971200
CONTRACT_GRANT: 80NM0018D0004
CONTRACT_GRANT: NNH13ZDA018O
CONTRACT_GRANT: DE210100205
CONTRACT_GRANT: 19PACOI0
CONTRACT_GRANT: RGPIN-2021-02995
CONTRACT_GRANT: SRF\R1\21000106
CONTRACT_GRANT: CoG #818602
Distribution Limits
Public
Copyright
Portions of document may include copyright protected material.
Technical Review
External Peer Committee
Keywords
Mars
Crater floor
igneous cumulate

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