Pomerado Conglomerate
The Pomerado Conglomerate Formation is a geologic formation in southwestern San Diego County, California.[1][2]
| Pomerado Conglomerate Formation Stratigraphic range: Late Eocene | |
|---|---|
| Type | geologic formation |
| Overlies | Mission Valley Formation |
| Thickness | 0–55 metres (0–180 ft) |
| Lithology | |
| Primary | conglomerate |
| Location | |
| Region | San Diego County, California |
| Country | United States |
| Type section | |
| Named for | Pomerado Road |
It was named for exposures located along Pomerado Road, at the divide between Carroll Canyon and Poway Valley.[1]
Geology
The Pomerado Conglomerate is of the Late Eocene Epoch, and is a massive cobble conglomerate. It is lithologically identical to the local Stadium Conglomerate.[1]
It overlies the sandstone Mission Valley Formation.[1] It is the uppermost formation of the Poway Group, and has a maximum thickness of 55 metres (180 ft).[1]
Fossils
It preserves fossils dating back to the Late Eocene Epoch of the Paleogene period, during the Cenozoic Era.[3]
See also
- Geology of San Diego County, California
- Paleogene Period in California
- List of fossiliferous stratigraphic units in California
- Paleontology in California
References
- 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, 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 31 July 2014. Retrieved 8 July 2014.
Further reading
- "General Plan Final Program EIR: 3.11 Paleontological Resources" (PDF). City of San Diego.
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