Shinarump Conglomerate
| Shinarump Conglomerate | |
|---|---|
| Stratigraphic range: early Late Triassic | |
Shinarump Conglomerate at the Shinarump Cliffs, its type area | |
| Type | Geological formation |
| Unit of | Chinle Formation |
| Underlies | Petrified Forest Member and other sub-units, Chinle Formation |
| Overlies | Moenkopi Formation units-(250-225 Ma), after erosion unconformity Temple Mountain Member-(lowest Chinle Formation), Moenkopi Formation-(Monument Valley, Arizona-Utah), De Chelly Sandstone-(50 ma erosion unconformity-Canyon De Chelly National Monument) |
| Thickness | 200 feet (61 m) maximum variable |
| Lithology | |
| Primary | conglomerate, sandstone, siltstone |
| Location | |
| Coordinates | 37°00′43″N 112°21′29″W / 37.012°N 112.358°W |
| Region | Colorado Plateau |
| Extent | NNW-southeast perimeter Black Mesa (Arizona) NE & E-Defiance Plateau-(Uplift) S-north perimeter foothills White Mountains W & NW-Painted Desert |
| Type section | |
| Named for | Shinarump Cliffs |
| Named by | Gilbert |
| Year defined | 1875 |
The Shinarump Conglomerate is a geologic formation found in the Four Corners region of the United States. It was deposited in the early part of the Late Triassic period.