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INSET: USGS IMAP 1140: Geologic map of the Cebrenia Quadrangle of Mars

By Planetary Geologic Mapping 1979 (approx.)

Inset of USGS IMAP 1140: Geologic map of the Cebrenia Quadrangle of Mars

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Inset of USGS IMAP 1140: Geologic map of the Cebrenia Quadrangle of Mars

By W. E. Elston

Map and associated documents available from the USGS Publications Warehouse: https://doi.org/10.3133/i1140

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January 1, 1979

Geologic map of the Cebrenia quadrangle of Mars 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...