Stratigraphic studies: Part D: geologic map of the northern Crisium region

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Abstract

Apollo 17 metric photographs (fig. 29-26) provide the best available coverage for geologic interpretation of northern Mare Crisium and the northern Crisium basin. The area was covered previously by low-resolution telescopic and Lunar Orbiter IV photographs and by oblique, high-illumination, or low-resolution photographs from earlier Apollo missions. One region in particular, between Alhazen Crater and longitude 66° E, had previously been covered very poorly. The Apollo 17 photographs provide excellent monoscopic (fig. 29-26) as well as stereoscopic viewing because of the favorably low Sun illuminations (15° to 49°). These new photographic data allow the geology of the basin, the mare, and other nearby terrains to be reevaluated. This reexamination together with data from continuing Moon-wide photogeologic studies and analyses of returned rocks from Apollo landing sites, has produced a simple evolutionary picture of the region, expressed by fewer map units and explained by fewer basic processes than previously thought necessary (refs. 29-35 and 29-45 to 29-48).

Additional publication details

Publication type Book chapter
Publication Subtype Book Chapter
Title Stratigraphic studies: Part D: geologic map of the northern Crisium region
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 7 p.
Larger Work Type Report
Larger Work Subtype Federal Government Series
Larger Work Title Apollo 17 preliminary science report (NASA SP-330)
First page 29-29
Last page 29-35
Other Geospatial Moon
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