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Titolo:
The topography and gravity of Mare Serenitatis: implications for subsidence of the mare surface
Autore:
Watters, TR; Konopliv, AS;
Indirizzi:
Smithsonian Inst, Natl Air & Space Museum, Ctr Earth & Planetary Studies, Washington, DC 20560 USA Smithsonian Inst Washington DC USA 20560 tudies, Washington, DC 20560 USA CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA CALTECH Pasadena CA USA 91109 LTECH, Jet Prop Lab, Pasadena, CA 91109 USA
Titolo Testata:
PLANETARY AND SPACE SCIENCE
fascicolo: 7, volume: 49, anno: 2001,
pagine: 743 - 748
SICI:
0032-0633(200106)49:7<743:TTAGOM>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
WRINKLE RIDGES; CLEMENTINE MISSION; LUNAR; MOON; ORIGIN; BASINS; EVOLUTION; TECTONICS; ALTIMETRY; RADAR;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
51
Recensione:
Indirizzi per estratti:
Indirizzo: Watters, TR Smithsonian Inst, Natl Air & Space Museum, Ctr Earth & Planetary Studies, Washington, DC 20560 USA Smithsonian Inst Washington DC USA 20560 ington, DC 20560 USA
Citazione:
T.R. Watters e A.S. Konopliv, "The topography and gravity of Mare Serenitatis: implications for subsidence of the mare surface", PLANET SPAC, 49(7), 2001, pp. 743-748

Abstract

The long wavelength topography of Mare Serenitatis was analyzed using topographic data obtained by the Clementine laser ranging instrument (LIDAR). The topography shows that the lowest elevations in the mare surface occur near the margins of the basin. The present mare surface reflects a long period of volcanism, subsidence, and deformation. Subsidence is generally attributed to a Gaussian-shaped, superisostatic load from the mare basalts that results in flexure of the lunar lithosphere. Gravity data from Lunar Prospector suggest that the basalt sequence in the interior of Serenitatis is generally uniform in thickness and thins rapidly at the margins. This suggests that the topographic lows in the basin do not coincide with areas where themare basalts are thick but rather occur where the basalts thin. The topographic lows also do not appear to coincide with accumulations of the youngest mare basalt units. The long wavelength topography of Mare Serenitatis mayreflect subsidence influenced by pre-mare basalt basin topography and preexisting zones of lithospheric weakness. (C) 2001 Elsevier Science Ltd. All rights reserved.

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Documento generato il 05/12/20 alle ore 07:48:09