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An olivine cumulate outcrop on the floor of Jezero crater, Mars.

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Title: An olivine cumulate outcrop on the floor of Jezero crater, Mars.
Authors: Liu, Y., Tice, M. M., Schmidt, M. E., Treiman, A. H., Kizovski, T. V., Hurowitz, J. A., Allwood, A. C., Henneke, J., Pedersen, D. A. K., VanBommel, S. J., Jones, M. W. M., Knight, A. L., Orenstein, B. J., Clark, B. C., Elam, W. T., Heirwegh, C. M., Barber, T., Beegle, L. W., Benzerara, K., Bernard, S.
Source: Science (pre-March 2025). 9/30/2022, Vol. 377 Issue 6614, p1513-1519. 7p. 1 Diagram, 2 Graphs, 2 Maps.
Subjects: Martian craters, Stratigraphic geology, Olivine, X-ray fluorescence, Igneous rocks
Abstract: The 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 investigated 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 found 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 multistage cooling of a thick magma body. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: An olivine cumulate outcrop on the floor of Jezero crater, Mars.
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  Data: <searchLink fieldCode="AR" term="%22Liu%2C+Y%2E%22">Liu, Y.</searchLink><br /><searchLink fieldCode="AR" term="%22Tice%2C+M%2E+M%2E%22">Tice, M. M.</searchLink><br /><searchLink fieldCode="AR" term="%22Schmidt%2C+M%2E+E%2E%22">Schmidt, M. E.</searchLink><br /><searchLink fieldCode="AR" term="%22Treiman%2C+A%2E+H%2E%22">Treiman, A. H.</searchLink><br /><searchLink fieldCode="AR" term="%22Kizovski%2C+T%2E+V%2E%22">Kizovski, T. V.</searchLink><br /><searchLink fieldCode="AR" term="%22Hurowitz%2C+J%2E+A%2E%22">Hurowitz, J. A.</searchLink><br /><searchLink fieldCode="AR" term="%22Allwood%2C+A%2E+C%2E%22">Allwood, A. C.</searchLink><br /><searchLink fieldCode="AR" term="%22Henneke%2C+J%2E%22">Henneke, J.</searchLink><br /><searchLink fieldCode="AR" term="%22Pedersen%2C+D%2E+A%2E+K%2E%22">Pedersen, D. A. K.</searchLink><br /><searchLink fieldCode="AR" term="%22VanBommel%2C+S%2E+J%2E%22">VanBommel, S. J.</searchLink><br /><searchLink fieldCode="AR" term="%22Jones%2C+M%2E+W%2E+M%2E%22">Jones, M. W. M.</searchLink><br /><searchLink fieldCode="AR" term="%22Knight%2C+A%2E+L%2E%22">Knight, A. L.</searchLink><br /><searchLink fieldCode="AR" term="%22Orenstein%2C+B%2E+J%2E%22">Orenstein, B. J.</searchLink><br /><searchLink fieldCode="AR" term="%22Clark%2C+B%2E+C%2E%22">Clark, B. C.</searchLink><br /><searchLink fieldCode="AR" term="%22Elam%2C+W%2E+T%2E%22">Elam, W. T.</searchLink><br /><searchLink fieldCode="AR" term="%22Heirwegh%2C+C%2E+M%2E%22">Heirwegh, C. M.</searchLink><br /><searchLink fieldCode="AR" term="%22Barber%2C+T%2E%22">Barber, T.</searchLink><br /><searchLink fieldCode="AR" term="%22Beegle%2C+L%2E+W%2E%22">Beegle, L. W.</searchLink><br /><searchLink fieldCode="AR" term="%22Benzerara%2C+K%2E%22">Benzerara, K.</searchLink><br /><searchLink fieldCode="AR" term="%22Bernard%2C+S%2E%22">Bernard, S.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 9/30/2022, Vol. 377 Issue 6614, p1513-1519. 7p. 1 Diagram, 2 Graphs, 2 Maps.
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  Data: <searchLink fieldCode="DE" term="%22Martian+craters%22">Martian craters</searchLink><br /><searchLink fieldCode="DE" term="%22Stratigraphic+geology%22">Stratigraphic geology</searchLink><br /><searchLink fieldCode="DE" term="%22Olivine%22">Olivine</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+fluorescence%22">X-ray fluorescence</searchLink><br /><searchLink fieldCode="DE" term="%22Igneous+rocks%22">Igneous rocks</searchLink>
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  Label: Abstract
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  Data: The 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 investigated 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 found 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 multistage cooling of a thick magma body. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=159396797
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      – SubjectFull: Stratigraphic geology
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      – SubjectFull: Olivine
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