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A preliminary analysis of lunar extra-mare basalts - Distribution, compositions, ages, volumes, and eruption stylesExtra-mare basalts occupy 8.5% of the lunar basalt area and comprise 1% of the total mare basalt volume. They are preferentially located where the crust is thin and topographically low. In terms of age, eruption style, and composition they are as variable as the mare basalts. In some instances extrusion in extra-mare craters was preceded by floor-fracturing whereas in other cases it apparently was not. The volume of lava erupted may have been controlled more by the volume of magma produced than by hydrostatic effects. A minimum of nearly 1300 separate basalt eruptions is indicated; the true value could be nearer 30,000 separate eruptions.
Document ID
19820058365
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Whitford-Stark, J. L.
(Sul Ross State University Alpine, TX, United States)
Date Acquired
August 10, 2013
Publication Date
May 1, 1982
Publication Information
Publication: Moon and the Planets
Volume: 26
Subject Category
Lunar And Planetary Exploration
Accession Number
82A41900
Funding Number(s)
CONTRACT_GRANT: NAGW-243
Distribution Limits
Public
Copyright
Other

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