Chatsworth Formation

Chatsworth Formation
Stratigraphic range: Campanian & Maestrichtian epochs of Cretaceous
Type Formation
Location
Region Los Angeles County and Ventura County, California
Country United States
Extent Simi Hills, Santa Susana Mountains

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]

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]

See also

References

Cretaceous Period
Lower/Early Cretaceous Upper/Late Cretaceous
Berriasian | Valanginian | Hauterivian
Barremian| Aptian | Albian
Cenomanian | Turonian | Coniacian
Santonian |Campanian | Maastrichtian


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