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Advances in Planetary GeologyThe surface of Mars displays a broad range of channel and valley features. There is as great a range in morphology as in scale. Some of the features of Martian geography are examined. Geomorphic mapping, crater counts on selected surfaces, and a detailed study of drainage basins are used to trace the geologic evolution of the Margaritifer Sinus Quandrangle. The layered deposits in the Valles Marineris are described in detail and the geologic processes that could have led to their formation are analyzed.
Document ID
19870015822
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Grant, John A., III (NASA Headquarters Washington, DC United States)
Nedell, Susan S. (NASA Headquarters Washington, DC United States)
Date Acquired
September 5, 2013
Publication Date
June 1, 1987
Subject Category
Lunar And Planetary Exploration
Report/Patent Number
NAS 1.15:89871
NASA-TM-89871
Accession Number
87N25255
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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