|contact, approx. located||Contact whose position is not precisely located|
|contact, certain||Observed geologic contact|
|fault, approx. located||Fault whose position is not precisely known|
|fault, concealed||Concealed fault whose position is inferred|
|map boundary, certain||Boundary of mapped area|
|thrust fault, approx. located||Thrust fault whose position is not precisely known|
|f.a., anticline, approx. located||Anticlinal fold axis whose position is not precisely known|
|f.a., anticline, concealed||Anticlinal fold axis whose position is concealed and inferred|
|f.a., anticline, overturned||Overturned anticlinal fold axis|
|f.a., syncline, approx. located||Synclinal fold axis whose position is not precisely known|
|f.a., syncline, concealed||Synclinal fold axis whose position is concealed and inferred|
|f.a., syncline, overturned||Overturned synclinal fold axis|
|flat bedding||Bedding whose dip is zero|
|ot bedding||Overturned bedding|
|vert bedding||Bedding whose dip is 90 degrees|
|Range of values|
|Range of values|
R. H. Campbell, Reston, VA assisted in field interpretations and compilation; P. K. Showalter and C. M. Wentworth supplied critical custom programming; and S. E. Graham updated supporting files for completeness and consistency and prepared this report.
To provide to the public a digital geologic map database of the Oak Mountain 7.5' quadrangle, southern California.
Are there legal restrictions on access or use of the data?
This report is preliminary and has not been reviewed for conformity with U. S. Geological Survey editorial standards or with the North American Stratigraphic Code. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U. S. Government.
This database, identified as "Preliminary Geologic Map of the Oat Mountain 7.5' Quadrangle, southern California: A Digital Database," has been approved for release and publication by the Director of the USGS. Although this database has been reviewed and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. This database is released on condition that neither the USGS nor the U. S. Government may be held liable for any damages resulting from its use.
ARC/INFO export files Description of coverage om-geol.e00 Depositional contacts, faults, and unit labels om-strc.e00 Strike and dip information, fold axes om-topo.e00 Topographic base map taken from a scan of a composite negative of the Oat Mountain 7.5 minute quadrangle (contour interval = 25 ft.) om-wells.e00 Well Localitiesin format ARCE (version 7.x) Size: 25