| Stadium Conglomerate | |
|---|---|
| Stratigraphic range: Eocene | |
| Type | Geologic formation |
| Underlies | Mission Valley Formation |
| Overlies | Friars Formation |
| Lithology | |
| Primary | Conglomerate |
| Location | |
| Region | San Diego County, California |
| Country |  United States |
| Type section | |
| Named for | San Diego Stadium |
The Stadium Conglomerate is a geologic formation in San Diego County, California. It is found at the northern end of Mission Valley near Snapdragon Stadium.
Geology
The formation consists of a massive cobble conglomerate with a dark yellowish-brown coarse-grained sandstone matrix. The conglomerate has dispersed lenses of fossiliferous crossbedded sandstone.
It overlies the Friars Formation, and underlies the sandstone Mission Valley Formation.
Fossil content
It preserves fossils dating back to the Eocene epoch of the Paleogene period, during the Cenozoic Era. The fossils include calcareous nanoplankton.
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". Retrieved 17 December 2021.
Further reading
- "General Plan Final Program EIR: 3.11 Paleontological Resources" (PDF). City of San Diego.