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The Chatsworth Formation is a Cretaceous period sandstone geologic formation in the Simi Hills and western Santa Susana Mountains of southern California. [1] [2] It is found in western Los Angeles County and eastern Ventura County. The formation's thickness can be more than 610 metres (2,000 ft). [3]
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The center opened in July 2011 and is in Orange County, California. [1] The Cooper Center was named to commemorate Dr. John D. Cooper, professor emeritus of geological science at Cal State Fullerton, who campaigned for the conservation of the Orange County Collection, and died in 2007. [2] [3]
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. [1]
The oldest fossils from 8.9 million years ago included megalodon teeth. Megalodon sharks were massive, and so were their teeth. Those shown here belonged to juveniles.
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 Capistrano Formation, named for the town of San Juan Capistrano, is located in southern California, specifically the northern extent of the Peninsular Ranges, which stretch from the Los Angeles Basin to Baja California. [2] It crops out along the coast from Dana Point to San Clemente, and inland for seven miles. [1]
The stone tools of these industries, along with preforms, lithic core, technical flakes, and pieces of angular debitage, mainly of chalcedony, are found on and in late middle Pleistocene-age fanglomerates and younger inset alluvial terraces in the Calico Hills (also known as the Yermo Hills) east of the Calico Peaks and the Calico Mountains.