GIS Data
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Geologic map of exposed Precambrian rocks, Rolla 1 degree by 2 degrees Quadrangle, Missouri
No abstract available.
Geologic map of the Amenthes Quadrangle of Mars
The Amenthes quadrangle includes two main physiographic and geologic subdivisions. In the southern part of the quadrangle, densely cratered plateaus rise about 3 km above sparsely to moderately cratered plains. The low plains that form Elysium Planitia also build the eastern flank of the Isidis basin, which mostly lies with the adjacent Syrtis Major quadrangle to the west: the Elysium region, one
Geologic map of the Arcadia Quadrangle of Mars
The Arcadia quadrangle of Mars contains three distinct geological provinces: (1) the 1000-km-diameter shield field volcano of Alba Patera, which occupies the southwestern quadrant; (2) the complex Tempe province, which comprises a number of younger volcanic and sedimentary blanket deposits over an ancient, highly cratered crust forming a plateau in the southwestern quadrant; and (3) a plains provi
Geologic map of the Bainville SW Quadrangle, Roosevelt and Richland counties, Montana
No abstract available.
Geologic map of the Black Mountain Quadrangle, Fremont and Park counties, Colorado
No abstract available.
Geologic map of the Caguas Quadrangle, Puerto Rico
No abstract available.
Geologic map of the Cebrenia Quadrangle of Mars
Most of the Cebrenia quadrangle (lat 30˚ to 65˚ N., long 180˚ to 240˚ W.) is in the circumpolar plains of Mars. Craters from an early episode of intense bombardment have been largely obliterated by later volcanism, tectonism, erosion, and sedimentation by wind and water, and by circumpolar glacial and periglacial processes. South of 47˚ N. the plains are dissected by numerous channels, most of whi
Geologic map of the Cover Mountain Quadrangle, Fremont, Park, and Teller counties, Colorado
No abstract available.