Stadium Conglomerate

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.[1][2] It is found at the northern end of Mission Valley near San Diego Stadium.

Geology

The formation consists of a massive cobble conglomerate with a dark yellowish-brown coarse-grained sandstone matrix.[1] The conglomerate has dispersed lenses of fossiliferous crossbedded sandstone.[1]

It overlies the Friars Formation, and underlies the sandstone Mission Valley Formation.[1]

Fossils

It preserves fossils dating back to the Eocene epoch of the Paleogene period, during the Cenozoic Era.[3] The fossils include calcareous nanoplankton.[1]

See also

References

  1. 1 2 3 4 5 Kennedy, Michael P. (1975). Geology of the San Diego metropolitan area, California. California Division of Mines and Geology.
  2. Geiconsultants.com: Geologic Formations of Western San Diego County, by Jeffrey D. Brown, R.G., C.E.G. − circa 1996.
  3. 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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