Online Links:
| Value | Definition |
|---|---|
| contact, approx. located | Contact whose position is not precisely located |
| conglomeratic, marker | Location of conglomerate deposit |
| contact, certain | Observed 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 |
| scratch boundary, certain | Location of scratch boundary. |
| thrust fault, approx. located | Thrust fault whose position is not precisely known |
| thrust fault, concealed | Concealed thrust fault whose position is not precisely known |
| Value | Definition |
|---|---|
| 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., syncline, approx. located | Synclinal fold axis whose position is not precisely known |
| f.a., syncline, concealed | Concealed synclinal fold axis whose position is inferred |
| Value | Definition |
|---|---|
| bedding | Bedding orientation |
| approx bedding | Bedding orientation whose position is not precise. |
| ot bedding | Overturned bedding orientation |
| vert bedding | Vertical bedding orientation |
| Range of values | |
|---|---|
| Minimum: | 5 |
| Maximum: | 90 |
| Units: | degrees |
| Resolution: | 1 |
| Range of values | |
|---|---|
| Minimum: | 0 |
| Maximum: | 353 |
| Units: | degrees |
| Resolution: | 1 |
| Range of values | |
|---|---|
| Minimum: | 129 |
| Maximum: | 570 |
| Units: | sample number |
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 Val Verde 7.5' quadrangle, southern California.
Are there legal restrictions on access or use of the data?Access_Constraints: none
Use_Constraints: none
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 Val Verde 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.
| Data format: |
ARC/INFO export files Description of coverage vv-geol.e00 Depositional contacts, faults, and unit labels vv-strc.e00 Strike and dip information, fold axes vv-wells.e00 Well localities vv-topo.e00 Topographic base map taken from a scan of a composite negative of the Val Verde 7.5 minute quadrangle (contour interval = 25 ft.)in format ARCE (version 7.x) Size: 25.5 |
|---|---|
| Network links: |
http://pubs.usgs.gov/of/1995/0699/valvde.tar.gz |