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INSET: USGS IMAP 1038: Geologic map of the Casius Quadrangle of Mars

By Planetary Geologic Mapping 1978 (approx.)

Inset of USGS IMAP 1038: Geologic map of the Casius Quadrangle of Mars

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Inset of USGS IMAP 1038: Geologic map of the Casius Quadrangle of Mars

By R. Greeley and J. E. Guest

Map and associated documents available from the USGS Publications Warehouse: https://doi.org/10.3133/i1038

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Public Domain.

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January 1, 1978

Geologic map of the Casius Quadrangle of Mars Geologic map of the Casius Quadrangle of Mars

Geologic units of the martian surface are subdivided on the basis of surface morphology, albedo, and crater distribution and are placed in a stratigraphic sequence following principles of superposition, crosscutting relations, and, to a degree, crater density. The Casius quadrangle (30˚ N to 65˚ N lat; 240˚ W to 300˚ W long) is one of the northern tier of Lambert conformal sheets of the...

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