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Chatsworth Formation
Cretaceous geologic formation in Southern California From Wikipedia, the free encyclopedia
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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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Fossils
The sedimentary marine formation preserves fossils dating from the Middle Campanian to Early Maestrichtian epochs of the Cretaceous period.[1][4] It has diverse molluscan faunas.[3]
The most common taxa are:[5]
- ringiculid Biplica
- naticids Gyrodes and Euspira
- trochid Atira
- aporrhaids Anchuras and Lispodesthes
- turritellid Turritella
- perissityid Perissitys
See also
References
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