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Mariner 9 photographs of small volcanic structures on MarsSurface features on the flanks of martian shield volcanoes photographed by Mariner 9 are identified as lava flow channels, rift zones, and partly collapsed lava tubes by comparisons with similar structures on the flanks of Mauna Loa shield volcano, Hawaii. From these identification, the composition of the martian lava flows in interpreted to be basaltic, with viscosities ranging from those of fluid pahoehoe to more viscous aa.
Document ID
19740050520
Document Type
Reprint (Version printed in journal)
Authors
Greeley, R. (NASA Ames Research Center Moffett Field; Santa Clara, University, Santa Clara, Calif., United States)
Date Acquired
August 7, 2013
Publication Date
December 1, 1973
Publication Information
Publication: Geology
Subject Category
SPACE SCIENCES
Distribution Limits
Public
Copyright
Other