Earth:Stadium Conglomerate

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Short description: Geologic formation in California, US
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 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]

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

Further reading