Stadium Conglomerate

Stadium Conglomerate
Stratigraphic range: Eocene
TypeGeologic formation
UnderliesMission Valley Formation
OverliesFriars Formation
Lithology
PrimaryConglomerate
Location
RegionSan Diego County, California
Country United States
Type section
Named forSan 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 Snapdragon 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]

Fossil content

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. ^ a b c d e 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[permanent dead link‍], by Jeffrey D. Brown, R.G., C.E.G. − circa 1996.
  3. ^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.

Further reading