Altitude-age relationships of the lunar maria

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Altitudes and relative ages of mare surface units were compared to test if a systematic correlation in height of lava eruption surfaces and age might reflect a corresponding increase in depth of the magma chamber with time; in addition the altitudes were studied to shed light on the time and place of warping of mare surfaces. The laser altimeter data from the Apollo missions and relative age data based on crater erosion models and crater counts were used for the study. The data were correlated by using the image data bank of the Lunar Geoscience Consortium. Results of the first part of the study are inconclusive as no systematic increase in height of lavas with time could be shown. The data of the second part of the study support the conclusion that mare surfaces may have warped throughout most of the time represented by sample ages from the Apollo missions, and that the lithosphere may have become strong enough to remain stable after the time of Apollo 12 samples around 3 b.y. ago.

Publication type Conference Paper
Publication Subtype Conference Paper
Title Altitude-age relationships of the lunar maria
Year Published 1979
Language English
Contributing office(s) Astrogeology Science Center
Description 12 p.
Larger Work Type Conference Paper
Larger Work Subtype Conference Paper
First page 2957
Last page 2966
Conference Title Lunar and Planetary Science Conference
Conference Location Houston, TX
Conference Date March 19-23, 1979
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