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Geologic map of the MTM-15147 quadrangle, Mangala Valles region of Mars Geologic map of the MTM-15147 quadrangle, Mangala Valles region of Mars

The map area is in the Mangala-Memnonia region (fig. 1), which contains remarkably diverse geologic features and terrain types. Studies of the Mariner 9 images revealed the wide range of ages of the major rock units in this region; age assignments were based on the density of impact craters preserved on the various surfaces (Mutch and others, 1976, p. 56-60; Scott and Carr, 1978; Mutch...

Geologic map of the northern part of the Piceance Creek basin, northwestern Colorado Geologic map of the northern part of the Piceance Creek basin, northwestern Colorado

No abstract available.

Geologic map of the northern part of the Simpson Park Mountains, Eureka County, Nevada Geologic map of the northern part of the Simpson Park Mountains, Eureka County, Nevada

No abstract available.

Geologic map of the Nutters Hole Quadrangle, Uintah and Carbon counties, Utah Geologic map of the Nutters Hole Quadrangle, Uintah and Carbon counties, Utah

No abstract available.

Geologic map of the Powder River basin and surrounding area, Wyoming, Montana, South Dakota, North Dakota, and Nebraska Geologic map of the Powder River basin and surrounding area, Wyoming, Montana, South Dakota, North Dakota, and Nebraska

No abstract available.

Geologic map of the Robertson River Igneous Suite, Blue Ridge Province, northern and central Virginia Geologic map of the Robertson River Igneous Suite, Blue Ridge Province, northern and central Virginia

No abstract available.
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