Brawley Formation
Geologic formation in the Colorado Desert of southern California
From Wikipedia, the free encyclopedia
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]
| Brawley Formation | |
|---|---|
| Stratigraphic range: Pleistocene | |
| Type | Geologic formation |
| Overlies | Ocotillo Formation |
| Location | |
| Region | Colorado Desert, California |
| Country | United States |
| Type section | |
| Named for | City of Brawley |
Geology
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
It preserves fossils from the Pleistocene Epoch of the Quaternary Period, during the Cenozoic Era.[2]