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Geologic map of the Margaritifer Sinus Quadrangle of Mars Geologic map of the Margaritifer Sinus Quadrangle of Mars
The Margaritifer Sinus quadrangle lies within a broad north-sloping trough, the Chryse lowlands, between the elevated Tharsis plateau to the west and the cratered upland to the east. The rugged, uniquely martian chaotic terrain is best developed in this quadrangle. Sinuous furrows a few kilometers wide and as much as several hundred kilometers long cover most of the quadrangle; in...
Geologic map of the Memnonia Quadrangle of Mars Geologic map of the Memnonia Quadrangle of Mars
The Memnonia quadrangle lies astride the boundary between heavily cratered and sparsely cratered hemispheres of Mars (Carr and others, 1973). Densely cratered terrain occurs in the southwestern part of the quadrangle. Strips of plains material bound the cratered terrain in both the northern and eastern parts of the quadrangle. There is approximately 3 km of relief across the quadrangle...