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Geologic map of the Thaumasia Quadrangle of Mars

IMAP 1077
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Abstract

The Thaumasia quadrangle lies on the south flank of the Tharsis dome (Hord and others, 1974), a large bulge in the crust of Mars extending more than 5,000 km northward from the center of the quadrangle. The major structure imposes a generally southward slope across the entire quadrangle. Topography along the east-central border of the Thaumasia quadrangle exhibits curved scarps and lowlands concentric with the Argyre basin. 

Four regions within the Thaumasia quadrangle are defined on the basis of the dominant geologic unit exposed. Three of these regions form arcuate patterns around the south flank of the Tharsis dome, and the fourth is a arcuate region concentric with the Argyre basin.

Publication type Report
Publication Subtype USGS Numbered Series
Title Geologic map of the Thaumasia Quadrangle of Mars
Series title IMAP
Series number 1077
DOI 10.3133/i1077
Year Published 1978
Language English
Publisher U.S. Geological Survey
Description 1 Plate: 57.33 × 42.67 inches
Other Geospatial Mars, Tharsis Dome
Scale 5000000
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