| Great Valley Group | |
|---|---|
| Stratigraphic range: Jurassic | |
| Type | Group |
| Location | |
| Region | California |
| Country | United States |
The Great Valley Group is a proposed and widely-accepted renaming of the Great Valley Sequence, [1] [2] a geologic group in California. It preserves fossils dating back to the Jurassic period.
The Yegua Formation is a geologic formation in Texas. It preserves fossils dating back to the Paleogene period.
The Sawatch Formation is a geologic formation in eastern Colorado. It is a sedimentary sequence formed approximately 530 million years ago during a marine transgression. It preserves fossils dating back to the Cambrian period. It is composed of glauconitic and quartz-rich sandstone.
The Wood Canyon Formation is a geologic formation in the northern Mojave Desert of Inyo County, California and Nye County and Clark County, Nevada.
The Saline Valley Formation is a geologic formation in the Mojave Desert, in Inyo County, California.
The Zabriskie Quartzite is a Cambrian Period geologic formation of the northern Mojave Desert, in Inyo County, California and Nye County, Nevada.
The Antelope Shale is a geologic formation in the San Joaquin Valley of central California.
The Moraga Formation, also known as the Moraga Volcanics, is a geological formation that dates back to the Pliocene epoch. It is located in Berkeley Hills, East Bay Region, San Francisco Bay Area, California.
The Peace Valley Beds Formation is a geologic formation in California. It preserves fossils dating back to the Neogene period.
The Cajon Valley Beds is a sedimentary geologic formation in the El Cajon Valley of southwestern San Diego County, California.
The Green Valley Formation is a geologic formation in California. It preserves fossils dating back to the Neogene period.
The Etchegoin Formation is a Pliocene epoch geologic formation in the lower half of the San Joaquin Valley in central California.
The Chanac Formation is a Cenozoic Era sandstone geologic formation in the southeastern San Joaquin Valley, within Kern County, California.
The Mehrten Formation is a geologic formation in California that is a type of Inverted Relief that was principally formed of andesitic clastic and pyroclastic material that came from volcanos and filled rivers and valleys. Then that rock resist erosion better than the land around it leaving ridges that look like inverted rivers meanders.
The Tulare Formation is a Pliocene to Holocene epoch geologic formation in the central and southern San Joaquin Valley of central California.
The San Joaquin Formation is a Pliocene epoch geologic formation in the lower half of the San Joaquin Valley in central California.
The Capay Formation is a geologic formation in Yolo County, western Sacramento Valley, California. It preserves fossils dating back to the Paleogene period.
The Friars Formation is a geologic formation in San Diego County, Southern California.
The Pomerado Conglomerate Formation is a geologic formation in southwestern San Diego County, California.
The Poway Group is a geologic group in San Diego County, Southern California. It preserves fossils dating back to the Paleogene period.
The Owens Valley Group is a geologic group in California. It preserves fossils dating back to the Permian period.
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