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The Kern River Beds Formation crops out in a roughly crescent-shaped belt, about 12 miles (19 km) wide at its widest, from Caliente Creek on the south to the Terra Bella vicinity on the north, a length of around 50 miles (80 km). [1]
On June 29, 1952, the McKittrick Tar Pits were registered a California Historical Landmark. California Historical Landmark reads: NO. 498 McKITTRICK BREA PIT - Located one-eighth mile west of here is an ancient asphaltum seepage in which hundreds of Pleistocene Age (15,000-50,000 years ago) birds and animals were trapped.
It is part of the Rosario Group. [2] The Maastrichtian stage is of the Late Cretaceous Epoch , during the Mesozoic Era . The formation is found on the eastern and southwestern sides of the Point Loma peninsula including in Cabrillo National Monument , and on Mount Soledad , both within the city of San Diego .
The Chico Formation is exposed in the Southern California Coast Ranges, western San Joaquin Valley, north of Mount Diablo, and in the Chico area of the northeastern Sacramento Valley. [ 1 ] It is also found in the eastern Simi Hills in Bell Canyon and Dayton Canyon, located in Los Angeles and Ventura Counties, near the community of West Hills .
Older fossils lay even deeper beneath the bone bed. These 8.9-million-year-old rocks included fossilized bones of fish and marine mammals. Experts also found teeth from juvenile megalodons and ...
The Capistrano Formation is a geologic formation in coastal southern Orange County, California.It preserves fossils dating back to the late Miocene to early Pliocene, with the Oso Member representing a near-shore environment.
The Puente Formation is a geologic formation in California.It preserves fossils dating back to the middle to upper Miocene epoch of the Neogene period, most of which were deposited in a deepwater environment. [2]
The Vaqueros Formation is a sedimentary geologic unit primarily of Upper Oligocene and Lower Miocene age, which is widespread on the California coast and coastal ranges in approximately the southern half of the state. It is predominantly a medium-grained sandstone unit, deposited in a shallow marine environment.