Friars Formation
| Friars Formation | |
|---|---|
| Stratigraphic range: Eocene | |
| Type | Geologic formation |
| Unit of | La Jolla Group |
| Underlies | Stadium Conglomerate |
| Overlies | Scripps Formation |
| Thickness | 0–50 metres (0–164 ft) |
| Location | |
| Region | San Diego County, California |
| Country | United States |
| Type section | |
| Named for | Friars Road |
The Friars Formation is a geologic formation in San Diego County, California.[1][2]
Geology
[edit]It is the uppermost unit of the La Jolla Group. The rocks are nonmarine and lagoonal sandstone and claystone, named for exposures along the north side of Mission Valley near Friars Road.
It reaches a maximum thickness of 50 metres (160 ft) between Mission Valley and Carmel Valley.
Fossils
[edit]It preserves fossils dating back to the middle and late Eocene epoch of the Paleogene period, during the Cenozoic Era.[3]
See also
[edit]
- Geology of San Diego County, California
- Paleogene Period in California
- List of fossiliferous stratigraphic units in California
- Paleontology in California
References
[edit]- ^ Kennedy, Michael P. (1975). Geology of the San Diego metropolitan area, California. California Division of Mines and Geology.
- ^ Geiconsultants.com: Geologic Formations of Western San Diego County[permanent dead link], by Jeffrey D. Brown, R.G., C.E.G. − circa 1996.
- ^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 25 March 2022. Retrieved 17 December 2021.
Further reading
[edit]- "General Plan Final Program EIR: 3.11 Paleontological Resources" (PDF). City of San Diego.
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