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Revised constraints on absolute age limits for Mercury's Kuiperian and Mansurian stratigraphic systems

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dc.contributor.author Banks, Maria E. en
dc.contributor.author Xiao, Zhiyong en
dc.contributor.author Braden, Sarah E. en
dc.contributor.author Barlow, Nadine G. en
dc.contributor.author Chapman, Clark R. en
dc.contributor.author Fassett, Caleb I. en
dc.contributor.author Marchi, Simone S. en
dc.date.accessioned 2017-07-13T09:01:36Z
dc.date.available 2017-07-13T09:01:36Z
dc.date.issued 2017
dc.identifier.citation Banks, Maria E., Xiao, Zhiyong, Braden, Sarah E., Barlow, Nadine G., Chapman, Clark R., Fassett, Caleb I., and Marchi, Simone S. 2017. "<a href="https://repository.si.edu/handle/10088/32710">Revised constraints on absolute age limits for Mercury&#39;s Kuiperian and Mansurian stratigraphic systems</a>." <em>Journal of Geophysical Research. E. Planets</em> 122 (5):1010-1020. <a href="https://doi.org/10.1002/2016JE005254">https://doi.org/10.1002/2016JE005254</a> en
dc.identifier.issn 2169-9097
dc.identifier.uri https://hdl.handle.net/10088/32710
dc.description.abstract Following an approach similar to that used for the Moon, Mercury&#39;s surface units were subdivided into five time-stratigraphic systems based on geologic mapping using Mariner 10 images. The absolute time scale originally suggested for the time periods associated with these systems was based on the assumption that the lunar impact flux history applied to Mercury. However, we find that the duration and onset of corresponding periods in the stratigraphic sequences on Mercury and the Moon are not the same. Using high-resolution and multiband image data obtained by the MErcury Surface, Space ENviroment, GEochemistry, and Ranging (MESSENGER) spacecraft, we identify and catalog fresh impact craters interpreted to have formed during Mercury&#39;s two most recent periods, the Mansurian and Kuiperian. We use the densities of the inferred Kuiperian- and Mansurian-aged crater populations to estimate new limits for the age boundaries of these time intervals. Results suggest that both the Mansurian and Kuiperian periods began more recently and extended for significantly shorter durations of time than previously suggested. The Kuiperian is estimated to have initiated as recently as similar to 280 60Ma and the Mansurian as recently as similar to 1.70.2Ga. en
dc.relation.ispartof Journal of Geophysical Research. E. Planets en
dc.title Revised constraints on absolute age limits for Mercury&#39;s Kuiperian and Mansurian stratigraphic systems en
dc.type Journal Article en
dc.identifier.srbnumber 143107
dc.identifier.doi 10.1002/2016JE005254
rft.jtitle Journal of Geophysical Research. E. Planets
rft.volume 122
rft.issue 5
rft.spage 1010
rft.epage 1020
dc.description.SIUnit NASM en
dc.description.SIUnit NASM-CEPS en
dc.citation.spage 1010
dc.citation.epage 1020

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