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Complex Volcanism at Oppenheimer U Floor-Fractured CraterRecent remote sensing studies have identified complex volcanism in the floor-fractured crater (FFC) Oppenheimer U, located in the northwest floor of Oppenheimer crater (35.2degS, 166.3degW, 208 km dia., Figure 1) within the "South Pole - Aitken basin" (SPA) region of the lunar far side. Up to 15 sites of pyroclastic volcanism have been identified in the floor of Oppenheimer crater. Studies of Moon Mineralogy Mapper data (M3, 0.4-3 microns, 86 bands, [5]) indicated that the pyroclastic deposits are comprised of mixtures of clinopyroxene and iron-rich glass, with the Oppenheimer U deposit showing variable composition within the FFC and having the most iron-rich volcanic glass thus far identified on the Moon. Here we examine the floor of Oppenheimer U in more detail and show evidence for possible multiple eruptive vents.
Document ID
20170001961
Acquisition Source
Johnson Space Center
Document Type
Conference Paper
Authors
Gaddis, L. R. (Geological Survey Flagstaff, AZ, United States)
Bennett, K. (University of Northern Arizona Flagstaff, AZ, United States)
Horgan, B. (Purdue Univ. West Lafayette, IN, United States)
McBride, Marie (Purdue Univ. West Lafayette, IN, United States)
Stopar, J. (Lunar and Planetary Inst. Houston, TX, United States)
Lawrence, S. (NASA Johnson Space Center Houston, TX, United States)
Gustafson, J. O. (Cornell Univ. Ithaca, NY, United States)
Giguere, T. (Hawaii Univ. Honolulu, HI, United States)
Date Acquired
March 3, 2017
Publication Date
March 20, 2017
Subject Category
Lunar And Planetary Science And Exploration
Report/Patent Number
JSC-CN-38866
Meeting Information
Meeting: Lunar and Planetary Science Conference
Location: The Woodlands, TX
Country: United States
Start Date: March 20, 2017
End Date: March 24, 2017
Sponsors: Lunar and Planetary Inst.
Distribution Limits
Public
Copyright
Public Use Permitted.

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