publication . Article . 2004

Topography of Valles Marineris: Implications for erosional and structural history

B. K. Lucchitta; N. K. Isbell; A. Howington-Kraus;
Open Access
  • Published: 04 Feb 2004
Abstract
Compilation of a simplified geologic/geomorphic map onto digital terrain models of the Valles Marineris permitted an evaluation of elevations in the vicinity of the troughs and the calculation of depth of troughs below surrounding plateaus, thickness of deposits inside the troughs, volumes of void spaces above geologic/geomorphic units, and volumes of deposits. The central troughs north Ophir, north and central Candor, and north Melas Chasmata lie as much as 11 km below the adjacent plateaus. In Ophir and Candor Chasmata, interior layered deposits reach 8 km in elevation. If the deposits are lacustrine and if all troughs were interconnected, lake waters standing...
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free text keywords: Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics, Fault (geology), geography.geographical_feature_category, geography, Geologic map, Volcano, Plateau, Geology, Stratigraphy, Geomorphology, Table (landform), Canyon, Graben, Geochemistry
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