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Geologic Setting of Opportunity Traverse and Meridiani Planum

Thursday 24 March 2011

Image Credit:NASA/JPL-Caltech/JHUAPL/WUSTL

Mission:Mars Reconnaissance Orbiter

Instrument:CRISM

This map indicates geological units in the region of Mars around a smaller area where NASA’s Mars Exploration Rover Opportunity has driven from early 2004 through late 2010. The blue-coded unit encompassing most of the southern half of the mapped region is ancient cratered terrain. In the northern region, it is overlain by younger sediments of the Meridiani Plains, punctuated by the even younger Bopulu impact. At Endeavour Crater, in the upper right near the gold line of Opportunity’s traverse, ancient cratered terrain is exposed around the crater rim. Locations where orbital observations have detected clay minerals are indicated at the western edge of Endeavour and at two locations in the southern portion of the map. The scale bar is 20 kilometers (12.4 miles). The mineral mapping was done by Sandra Wiseman and Ray Arvidson of Washington Universty in St. Louis based on observations by the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) on NASA’s Mars Reconnaissance Orbiter.

Université Paris-Sud 11 Faculté des Sciences GEOPS CNRS
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