Stratigraphy of part of the lunar near side
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Stratigraphy of part of the lunar near side

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Published by U.S. Govt. Print. Off., for sale by the Supt. of Docs., GPO in Washington .
Written in English

Subjects:

  • Project Apollo (U.S.),
  • Lunar stratigraphy.

Book details:

Edition Notes

Bibliography: p. 66-71.

Statementby Don E. Wilhelms ; prepared on behalf of the National Aeronautics and Space Administration.
SeriesApollo 15-17 orbital investigations, Geological Survey professional paper ;, 1046-A, Geological Survey professional paper ;, 1046-A.
ContributionsUnited States. National Aeronautics and Space Administration.
Classifications
LC ClassificationsQB592 .W52
The Physical Object
Paginationiv, 71 p. :
Number of Pages71
ID Numbers
Open LibraryOL4239731M
LC Control Number80607099

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Part or all of this report is presented in Portable Document Format (PDF). For best results viewing and printing PDF documents, it is recommended that you download the documents to your computer and open them with Adobe Reader. The Pre-Nectarian period is defined from the point at which the lunar crust formed, to the time of the Nectaris impact event. Nectaris is a multi-ring impact basin that formed on the near side of the Moon, and its ejecta blanket serves as a useful stratigraphic marker. 30 impact basins from this period are recognized, the oldest of which is the South Pole–Aitken basin. The Contents of This Book Chapter 2: Exploration, Samples, and Recent Concepts of the Moon. Lunar Exploration Lunar Samples New Views of the Moon from Exploration New Concepts of the Moon Following Exploration Chapter 3: The Lunar Environment. Earth and Moon Compared The Astronaut Experience Terrain Dust Temperatures on the Lunar Surface Lunar. LUNAR STRATIGRAPHY AND SEDIMENTOLOGY JOHN F. LINDSAY The Lunar Science Institute, Houston, Texas, U.S.A. and The Marine Science Institute, The University of Texas, Galveston, Texas, U.S.A. ELSEVIER SCIENTIFIC PUBLISHING COMPANY AMSTERDAM -OXFORD -NEW YORK

Lunar Basin Formation and Highland Stratigraphy Article (PDF Available) in Reviews of Geophysics and Space Physics 12(3) September with Reads How we measure 'reads'. Ages and stratigraphy of lunar mare basalts: A synthesis Article in Special Paper of the Geological Society of America () March with Reads How we measure 'reads'. Stratigraphy of Part of the Lunar Near Side by Don E. Wilhelms Stratigraphy of the Descartes Region (Apollo 16): Implications for the Origin of Samples by James W. Head Summary of Lunar Stratigraphy: Telescopic Observations by Don E. Wilhelms. The chronology of lunar volcanism is based on radiometric ages determined from Apollo and Luna landing site samples, regional stratigraphic relationships, and crater degradation and size-frequency distribution data for units largely defined prior to the end of the Apollo program. Accurate estimates of mare basalt ages are necessary to place constraints on the duration and the flux of lunar.

We reevaluate the lunar flux curve using isotope ages of lunar samples and the latest views on the lunar stratigraphy and the principles of relative and absolute age dating of geologic surface units of the Moon. The geological setting of the Apollo and Luna landing areas are described as far as they are relevant for this by:   This map of lunar crustal thickness was derived from an analysis of GRAIL's gravity data. The thickness varies from a high of 60 kilometers in the farside highlands to a low near zero within impact basins. In some of the basins, the crust really may have zero thickness, meaning that mantle material is exposed at the surface. The geology of the Moon (sometimes called selenology, although the latter term can refer more generally to "lunar science") is quite different from that of Moon lacks a significant atmosphere, which eliminates erosion due to weather; it does not have any known form of plate tectonics, it has a lower gravity, and because of its small size, it cooled more rapidly. Fig. l. Characteristics of lunar impact basins and relation to important scientific problems. Not to scale. Preliminary analysis of these data reveals evidence for distinct near side-far side compositional variations, the characteristics of mare deposits on the limb and far side, the presence of ancient cryptomaria covered by younger basin.