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INSET: USGS IMAP 495: (LAC-93) Geologic map of the Mare Humorum region of the moon

By Planetary Geologic Mapping 1967 (approx.)

Inset of USGS IMAP 495: (LAC-93) Geologic map of the Mare Humorum region of the moon

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Inset of USGS IMAP 495: (LAC-93) Geologic map of the Mare Humorum region of the moon

By S. R. Titley

Map and associated materials available from the USGS Publications Warehouse: https://doi.org/10.3133/i495

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January 1, 1967

(LAC-93) Geologic map of the Mare Humorum region of the moon (LAC-93) Geologic map of the Mare Humorum region of the moon

The principal feature of the Mare Humorum region is the Humorum basin, a circular mare basin approximately 200 km (kilometer) in diameter. The basin formed early in the history of the moon and was later flooded by mare material. Impact cratering with attendant erosion and aggradation and episodic volcanism and faulting have occurred in the region. The inferred history of the Humorum...