| Santa Clara Formation Stratigraphic range: Plio-Pleistocene | |
|---|---|
| Type | Geologic formation |
| Lithology | |
| Primary | Gravel, sandstone, siltstone |
| Location | |
| Region | Santa Cruz Mountains, Santa Clara County, California |
| Country | United States |
| Type section | |
| Named for | Santa Clara County |
The Santa Clara Formation is a geologic formation in the southeastern Santa Cruz Mountains, in Santa Clara County, California.
It was formed during the late Pliocene and early Pleistocene Ages of the Neogene Period resp. the Quaternary Period, during the Cenozoic Era. It is composed of fluvial boulder to pebble gravel, sandstone, and siltstone locally including thin bedded lacustrine mudstone.
The Pico Formation is a Pliocene epoch stratigraphic unit and geologic formation in the greater Los Angeles Basin, the Santa Monica Mountains, and the Santa Susana Mountains, in Los Angeles County of Southern California.
Ochotona spanglei is an extinct species of pika, known from Late Miocene - Early Pliocene fossil from Oregon (USA). Fossils were also found in Nebraska referred to as Ochotona cf. spanglei.
The Merced Formation is a geologic formation in California, and also in Oregon and Washington state. It is named for Lake Merced, a natural lake on the western San Francisco coastline.
The Cajon Valley Beds is a sedimentary geologic formation in the El Cajon Valley of southwestern San Diego County, California.
The Kern River Beds Formation is a Neogene Period geologic formation in the southeastern San Joaquin Valley, within Kern County, California.
The Etchegoin Formation is a Pliocene epoch geologic formation in the lower half of the San Joaquin Valley in central California.
The Crowder Formation is a geologic formation in the Central and Western Mojave Desert, in northern Los Angeles County and eastern San Bernardino County, in Southern California.
The Chanac Formation is a Cenozoic Era sandstone geologic formation in the southeastern San Joaquin Valley, within Kern County, California.
The Modelo Formation is a Miocene geologic formation in the Simi Hills and western Santa Susana Mountains of southern California.
The Lake Mathews Formation is a geologic formation in Riverside County, California.
The Towsley Formation is a geologic formation in the Santa Susana Mountains, in Los Angeles County, California.
The Topanga Canyon Formation is a Miocene epoch geologic formation in the Santa Monica Mountains, Simi Hills, Santa Ana Mountains and San Joaquin Hills, in Los Angeles County, Ventura County, and Orange County, southern California. It is primarily composed of hard sandstone with some inter-bedded siltstone.
The San Joaquin Formation is a Pliocene epoch geologic formation in the lower half of the San Joaquin Valley in central California.
The Santa Susana Formation is a Paleogene period geologic formation in the Simi Hills and western Santa Susana Mountains of southern California.
The Tejon Formation is a Paleogene period geologic formation in California.
The San Francisquito Formation is a geologic formation in northern Los Angeles County, California.
The Tick Canyon Formation (Tt) or Tick Canyon strata, is an Early Miocene geologic formation in the Sierra Pelona Ridge of the San Gabriel Mountains in Los Angeles County, California.
The Imperial Formation is the name of two distinct and unrelated geologic formations in North America, of different geologic Eras.
The Ysidro Formation is a geologic formation in Baja California state, northwestern Mexico.
The El Cien Formation is a geologic formation in eastern Baja California Sur state, Mexico.
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