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Brawley Formation

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Brawley Formation
Stratigraphic range: Pleistocene
TypeGeologic formation
OverliesOcotillo Formation
Location
RegionColorado Desert, California
CountryUnited States
Type section
Named forCity of Brawley

The Brawley Formation is a geologic formation in the Colorado Desert of Southern California, located in northwestern Imperial County and eastern San Diego County.[1]

Geology

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Sandstone and mudstone of the Brawley Formation accumulated between ~1.1 and ~0.6–0.5 Ma in a delta on the margin of an arid Pleistocene lake.[1] It is in the San Jacinto Fault Zone area, including in the San Felipe Hills.

Fossils

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It preserves fossils from the Pleistocene Epoch of the Quaternary Period, during the Cenozoic Era.[2]

See also

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References

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  1. ^ a b Kirby, S. M.; Janecke, S. U.; Dorsey, R. J.; Housen, B. A.; Langenheim, V. E.; McDougall, K. A.; Steely, A. N. (January 2007). "Pleistocene Brawley and Ocotillo Formations: Evidence for Initial Strike-Slip Deformation along the San Felipe and San Jacinto Fault Zones, Southern California". The Journal of Geology. 115 (1): 43–62. Bibcode:2007JG....115...43K. doi:10.1086/509248. JSTOR 509248.
  2. ^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.

Further reading

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