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Formation of the Orientale lunar multiring basin.

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Title: Formation of the Orientale lunar multiring basin.
Authors: Johnson, Brandon C. (AUTHOR), Blair, David M. (AUTHOR), Collins, Gareth S. (AUTHOR), Melosh, H. Jay (AUTHOR), Freed, Andrew M. (AUTHOR), Taylor, G. Jeffrey (AUTHOR), Head, James W. (AUTHOR), Wieczorek, Mark A. (AUTHOR), Andrews-Hanna, Jeffrey C. (AUTHOR), Nimmo, Francis (AUTHOR), Keane, James T. (AUTHOR), Miljković, Katarina (AUTHOR), Soderblom, Jason M. (AUTHOR), Zuber, Maria T. (AUTHOR)
Source: Science (pre-March 2025). 10/28/2016, Vol. 354 Issue 6311, p441-444. 4p. 3 Graphs.
Subjects: Lunar basins, Lunar stratigraphy, Structural geology, Lunar crust, Lunar research, Scientific satellites, Computer simulation, Lunar craters
Abstract: Multiring basins, large impact craters characterized by multiple concentric topographic rings, dominate the stratigraphy, tectonics, and crustal structure of the Moon. Using a hydrocode, we simulated the formation of the Orientale multiring basin, producing a subsurface structure consistent with high-resolution gravity data from the Gravity Recovery and Interior Laboratory (GRAIL) spacecraft. The simulated impact produced a transient crater, ~390 kilometers in diameter, that was not maintained because of subsequent gravitational collapse. Our simulations indicate that the flow of warm weak material at depth was crucial to the formation of the basin’s outer rings, which are large normal faults that formed at different times during the collapse stage. The key parameters controlling ring location and spacing are impactor diameter and lunar thermal gradients. [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: Formation of the Orientale lunar multiring basin.
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  Data: <searchLink fieldCode="AR" term="%22Johnson%2C+Brandon+C%2E%22">Johnson, Brandon C.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Blair%2C+David+M%2E%22">Blair, David M.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Collins%2C+Gareth+S%2E%22">Collins, Gareth S.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Melosh%2C+H%2E+Jay%22">Melosh, H. Jay</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Freed%2C+Andrew+M%2E%22">Freed, Andrew M.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Taylor%2C+G%2E+Jeffrey%22">Taylor, G. Jeffrey</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Head%2C+James+W%2E%22">Head, James W.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wieczorek%2C+Mark+A%2E%22">Wieczorek, Mark A.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Andrews-Hanna%2C+Jeffrey+C%2E%22">Andrews-Hanna, Jeffrey C.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nimmo%2C+Francis%22">Nimmo, Francis</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Keane%2C+James+T%2E%22">Keane, James T.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Miljković%2C+Katarina%22">Miljković, Katarina</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Soderblom%2C+Jason+M%2E%22">Soderblom, Jason M.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zuber%2C+Maria+T%2E%22">Zuber, Maria T.</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 10/28/2016, Vol. 354 Issue 6311, p441-444. 4p. 3 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Lunar+basins%22">Lunar basins</searchLink><br /><searchLink fieldCode="DE" term="%22Lunar+stratigraphy%22">Lunar stratigraphy</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+geology%22">Structural geology</searchLink><br /><searchLink fieldCode="DE" term="%22Lunar+crust%22">Lunar crust</searchLink><br /><searchLink fieldCode="DE" term="%22Lunar+research%22">Lunar research</searchLink><br /><searchLink fieldCode="DE" term="%22Scientific+satellites%22">Scientific satellites</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+simulation%22">Computer simulation</searchLink><br /><searchLink fieldCode="DE" term="%22Lunar+craters%22">Lunar craters</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Multiring basins, large impact craters characterized by multiple concentric topographic rings, dominate the stratigraphy, tectonics, and crustal structure of the Moon. Using a hydrocode, we simulated the formation of the Orientale multiring basin, producing a subsurface structure consistent with high-resolution gravity data from the Gravity Recovery and Interior Laboratory (GRAIL) spacecraft. The simulated impact produced a transient crater, ~390 kilometers in diameter, that was not maintained because of subsequent gravitational collapse. Our simulations indicate that the flow of warm weak material at depth was crucial to the formation of the basin’s outer rings, which are large normal faults that formed at different times during the collapse stage. The key parameters controlling ring location and spacing are impactor diameter and lunar thermal gradients. [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.)
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        Value: 10.1126/science.aag0518
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        Text: English
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      Pagination:
        PageCount: 4
        StartPage: 441
    Subjects:
      – SubjectFull: Lunar basins
        Type: general
      – SubjectFull: Lunar stratigraphy
        Type: general
      – SubjectFull: Structural geology
        Type: general
      – SubjectFull: Lunar crust
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      – SubjectFull: Lunar research
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      – SubjectFull: Scientific satellites
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      – SubjectFull: Computer simulation
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      – TitleFull: Formation of the Orientale lunar multiring basin.
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              Text: 10/28/2016
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