Geologic map of the Mare Boreum area of Mars
收藏DataCite Commons2023-11-30 更新2026-05-07 收录
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https://www.sciencebase.gov/catalog/item/6569026bd34e17319ded1074
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资源简介：
The Mare Boreum geologic map portrays the north polar are of Mars above lat 65 degrees N. The area contains five physiographic provinces: (1) a residual ice cap characterized by troughs with a counterclockwise outward spiral pattern (Mariner 9 frames DAS 13317550 and DAS 13353320); (2) layered terrain adjacent to the ice cap, exposed within the spiral troughs; (3) a circumpolar band of low-albedo material extending roughly from lat 75 degrees to 82 degrees N.; (4) isolated patches of high-albedo perennial ice near lat 75 degrees N. within a semicircumpolar band between long 120 degrees and 270 degrees; and (5) circumpolar cratered plains of mottled albedo south of lat 75 degrees N.
提供机构：
U.S. Geological Survey
创建时间：
2023-11-30
