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### Areal geology of the western Mojave Desert, California

#### Professional Paper 522

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#### Links

- Document: **Report**                                 (22.06 
  MB pdf)
- Plates:
- **Plate 1 (East Half)**                         
           (pdf)
- **Plate 1 (West Half)**                         
           (pdf)
- **Plate 2**                                
    (pdf)
- **Plate 3**                                
    (pdf)
- **Plate 4**                                
    (pdf)
- Preceding Publications:
- Simplified 
    geologic map of the western Mojave Desert, California (1957)
- Download citation as:  RIS

#### Abstract

This report and map represent part of a geologic investigation by the U.S. 
Geological Survey of the known and potential deposits of borate minerals in the 
southern California desert regions. The primary purpose of this report and the 
geologic map (pl. 1) is to provide a geologic background for the exploration for 
possible concealed borate deposits in the western Mojave Desert, based upon (1) 
the geology of the known deposits of these minerals within the region, (2) the 
areal geology of the region, and (3) the subsurface geology as determined 
insofar as possible from logs of exploratory test holes, mine workings, and 
geophysical data. Available logs of test holes so used, including those drilled 
for petroleum and some for water, and of borate mine shafts are summarized in 
tabulated form (tables 2-4); the gravity geophysical data are published 
separately (Mabey, 1960).

The resulting geologic data are of use for many secondary purposes, such as 
exploration for other commodities, including petroleum and gas, and in 
evaluation of ground-water conditions.

The base for the geologic map was prepared by joining parts of the 
Bakersfield, Trona, Los Angeles, and San Bernardino quadrangles, as published by 
the U.S. Geological Survey at a scale of 1:250,000, and then enlarging the 
mosaicked map to a scale of 1:125,000. Although lacking in detail and accuracy, 
the base is the best that is available. Numerous maps at a scale of an inch to a 
mile or larger show the geology of most of the complex areas in greater 
detail.

#### Study Area



#### Additional publication details

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