Geologic map of the Colombo Quadrangle of the Moon
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- Plate: Plate 1 (10516 pdf)
- Data Release: USGS data release - Geologic map of the Colombo Quadrangle of the Moon
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Abstract
Relative ages of structures and geologic units have been determined from intersection and apparent overlap relations and from morphologic freshness reflecting degree of preservation. The fivefold crater-age sequence is based on the classification of Shoemaker and Hackman (1962), and corresponds broadly to a modified classification of Pohn and Offield (1970) and Offield (1971). Rock units in the quadrangle are provisionally correlated with time-stratigraphic units first described in and near the Imbrium basin (Shoemaker, 1962 a, b; Shoemaker and Hackman, 1962, Shoemaker and others, 1963) and subsequently recognized elsewhere on the near side of the Moon (McCauley, 1967; Wilhelms, 1970; Wilhelms and McCauley, 1971).
Suggested Citation
Elston, D.P., 1972, Geologic map of the Colombo Quadrangle of the Moon: U.S. Geological Survey IMAP 714, 1 map, https://doi.org/10.3133/i714.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Geologic map of the Colombo Quadrangle of the Moon |
| Series title | IMAP |
| Series number | 714 |
| Subseries | MOON |
| DOI | 10.3133/i714 |
| Year Published | 1972 |
| Language | English |
| Description | 1 map |
| Other Geospatial | Moon |
| Scale | 1000000 |