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Showing 1 to 1 of 1 for “"crater counts"”.
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The Origins of Four Paterae of Malea Planum, Mars
… 1979). A geologic map was constructed and new crater counts made to explore the ages and origins of the paterae. Amphitrites and Peneus Paterae have radial patterns of wrinkle ridges on their flanks and distinct summit calderas (95 km and 130 km across) with arcuate bounding scarps. In …