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Geologic map of the Grimaldi quadrangle of the Moon Geologic map of the Grimaldi quadrangle of the Moon
The Grimaldi quadrangle lies at the southwest margin of Oceanus Procellarum about 1,000 km east of Orientale, the youngest of the lunar multi-ringed basins. The distal ends of the ejecta blanket surrounding the Orientale basin partly covers the western third of the quadrangle. The relatively small, two-ring Grimaldi basin is in the northwest corner of the quadrangle, and the Humorum...
Geologic map of the Langrenus Quadrangle of the Moon Geologic map of the Langrenus Quadrangle of the Moon
The Langrenus quadrangle is on the east limb of the lunar nearside, at the southeast margin of Mare Fecunditatis. The crater Langrenus, about 140 km in diameter, is the most prominent feature. Rugged terra materials, scattered by craters of various sizes and ages, occupy much of the east half of the map area, and smooth mare materials in the Fecunditatis basin dominate the west. Mare...