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Highly Differentiated Basaltic Lavas Examined by PIXL in Jezero CraterTextural, bulk chemical, and mineralogical data collected by PIXL(Planetary Instrument for X-ray Lithochemistry) indicate that the first rock unit (Cf-fr, Crater Floor-Fractured rough)examined by the M2020 Perseverance rover in Jezero crater is from a basaltic lava flow. This unit was originally mapped as volcanic flow[1]but has been reinterpreted as a clastic or volcaniclastic sediment[2].We here present evidence that it is a basalt flow, with implications for its petrogenesis as a highly differentiated basalt.
Document ID
20220000482
Acquisition Source
Johnson Space Center
Document Type
Conference Paper
Authors
M E Schmidt (Brock University St. Catharines, Ontario, Canada)
A Allwood (Jet Propulsion Lab La Cañada Flintridge, California, United States)
J Christian (Washington University)
B C Clark (Space Science Institute Boulder, Colorado, United States)
D Flannery (Queensland University of Technology Brisbane, Queensland, Australia)
J Hennecke (Technical University of Denmark Kongens Lyngby, Hovedstaden, Denmark)
C D K Herd (University of Alberta Edmonton, Alberta, Canada)
J A Hurowitz (Stony Brook University Stony Brook, New York, United States)
T V Kizovski (Brock University St. Catharines, Ontario, Canada)
Y Liu (Jet Propulsion Lab La Cañada Flintridge, California, United States)
S M Mclennan (Stony Brook University Stony Brook, New York, United States)
M Nachon (Texas A&M University System College Station, Texas, United States)
D A K Pedersen (Technical University of Denmark Kongens Lyngby, Hovedstaden, Denmark)
D L Shuster (University of California, Berkeley Berkeley, California, United States)
J I Simon (Johnson Space Center Houston, Texas, United States)
M Tice (Texas A&M University System College Station, Texas, United States)
N Tosca (University of Cambridge Cambridge, United Kingdom)
A H Treiman (Universities Space Research Association Columbia, Maryland, United States)
A Udry (University of Nevada, Las Vegas Las Vegas, Nevada, United States)
S Vanbommel (Washington University)
M Wadhwa (Arizona State University Tempe, Arizona, United States)
Date Acquired
January 24, 2022
Subject Category
Lunar And Planetary Science And Exploration
Meeting Information
Meeting: 53rd Lunar and Planetary Science Conference
Location: The Woodlands, TX
Country: US
Start Date: March 7, 2022
End Date: March 11, 2022
Sponsors: Lunar and Planetary Institute
Funding Number(s)
WBS: 203959
Distribution Limits
Public
Copyright
Portions of document may include copyright protected material.

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