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Volcanic studies: Part E: Eratosthenian volcanism in Mare Imbrium: source of youngest lava flows

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Abstract

Orbital photographs taken at low-Sun illumination during both the Apollo 15 (ref. 30-14) and Apollo 17 missions have provided excellent data on the lava flows in the southwestern Mare Imbrium. These photographs have been used recently to present a detailed photogeologic evaluation of these flows and their role in mare volcanism of Eratosthenian age in the basin (ref. 30-15). Eruption of these flood basalts apparently took place in at least three major episodes with suggested dates of 3.0 ± 0.4 billion years (phase I), 2.7 ± 0.3 billion years (phase II), and 2.5 ± 0.3 billion years (phase III) using the mare age-dating method described by Soderblom and Lebofsky (ref. 30-16) and recent data by Soderblom and Boyce (ref. 30-17).

Additional Publication Details

Publication type:
Book chapter
Publication Subtype:
Book Chapter
Title:
Volcanic studies: Part E: Eratosthenian volcanism in Mare Imbrium: source of youngest lava flows
Series number:
330
Year Published:
1973
Language:
English
Publisher:
National Aeronautics and Space Administration
Publisher location:
Washington, D.C.
Contributing office(s):
Astrogeology Science Center
Description:
9 p.
Larger Work Type:
Report
Larger Work Subtype:
Federal Government Series
Larger Work Title:
Apollo 17 preliminary science report
First page:
30-17
Last page:
30-25
Other Geospatial:
Moon