The Stadium Conglomerate is a geologic formation in San Diego County, California.Geiconsultants.com: Geologic Formations of Western San Diego County, by Jeffrey D. Brown, R.G., C.E.G. − circa 1996. 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
List of fossiliferous stratigraphic units in California Paleontology in California
References
Further reading