Authors

J. M. Dohm; J. C. Ferris; V. R. Baker; R. C. Anderson; T. M. Hare; R. G. Strom; N. G. Barlow; K. L. Tanaka; J. E. Klemaszewski;D. H. Scott

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Abbreviated Journal Title

J. Geophys. Res.-Planets

Keywords

VALLES MARINERIS; THAUMASIA REGION; TECTONIC HISTORY; NORTHERN PLAINS; GROUND ICE; EVOLUTION; PROVINCE; GEOLOGY; CONSTRAINTS; PLATEAU; Geochemistry & Geophysics

Abstract

Paleotopographic reconstructions based on a synthesis of published geologic information and high-resolution topography, including topographic profiles, reveal the potential existence of an enormous drainage basin/aquifer system in the eastern part of the Tharsis region during the Noachian Period. Large topographic highs formed the margin of the gigantic drainage basin. Subsequently, lavas, sediments, and volatiles partly infilled the basin, resulting in an enormous and productive regional aquifer. The stacked sequences of water-bearing strata were then deformed locally and, in places, exposed by magmatic-driven uplifts, tectonic deformation, and erosion. This basin model provides a potential source of water necessary to carve the large outflow channel systems of the Tharsis and surrounding regions and to contribute to the formation of putative northern-plains ocean(s) and/or paleolakes.

Journal Title

Journal of Geophysical Research-Planets

Volume

106

Issue/Number

E12

Publication Date

1-1-2001

Document Type

Article

Language

English

First Page

32943

Last Page

32958

WOS Identifier

WOS:000173488000014

ISSN

0148-0227

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