Memnonia quadrangle

Memnonia Quadrangle

Memnonia quadrangle

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The Memnonia quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey (USGS) Astrogeology Research Program. The Memnonia quadrangle is also referred to as MC-16 (Mars Chart-16).Davies, M.E.; Batson, R.M.; Wu, S.S.C. “Geodesy and Cartography” in Kieffer, H.H.; Jakosky, B.M.; Snyder, C.W.; Matthews, M.S., Eds. Mars. University of Arizona Press: Tucson, 1992.

The quadrangle is a region of Mars that covers latitude -30° to 0° and longitude 135° to 180°. Mangala Valles is located in the upland region of Memnonia. The western part of Memnonia is a highly cratered highland region that exhibits a large range of crater degradation.

Memnonia includes these topographical regions of Mars (listed North to South):

Recently, evidence of water was found in the area. Layered sedimentary rocks were found in the wall and floor of Columbus Crater. These rocks could have been deposited by water or by wind. Hydrated minerals were found in some of the layers, so water may have been involved.

Within the Memonia quadrangle lies Mangala Vallis, a giant ancient river valley. It appears to have begun with the formation of a graben, a set of fault that may have exposed an aquifer.


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