Online Links:
| Value | Definition |
|---|---|
| contact, approx. located | Contact whose position is not precisely located |
| contact, certain | Observed contact |
| contact, concealed | Concealed contact whose position is inferred |
| detachment fault, approx. located | Detachment fault whose position is not precisely known |
| dike, diabase | Location of diabase dike |
| fault, approx. located | Fault whose position is not precisely known |
| fault, concealed | Concealed fault whose position is inferred |
| fault, detachment, queried | Detachment fault whose position is questionable |
| fault, detachment, queried, approx. | Detachment fault whose position is not precisely known and questionable |
| map boundary, certain | Boundary of mapped area |
| thrust fault, approx. located | Thrust fault whose position is not precisely known |
| named fault | Fault that has been given a name |
| scratch boundary, approx. located | Scratch boundary 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 | Concealed anticlinal fold-axis whose position is inferred |
| f.a., anticline, overturned approx. | Overturned anticlinal fold axis whose position is not precisely known |
| 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 |
| ot bedding | Overturned bedding orientation |
| Range of values | |
|---|---|
| Minimum: | 0 |
| Maximum: | 88 |
| Units: | degrees |
| Resolution: | 1 |
| Range of values | |
|---|---|
| Minimum: | 0 |
| Maximum: | 358 |
| Units: | degrees |
| Resolution: | 1 |
| Range of values | |
|---|---|
| Minimum: | 494 |
| Maximum: | 501 |
| Units: | sample numbers |
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 Malibu Beach 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 Malibu Beach 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 ma-geol.e00 Depositional contacts, faults, and unit labels ma-strc.e00 Strike and dip information, fold axes ma-wells.e00 Exploratory oil wells and fossil localities ma-topo.e00 Topographic base map taken from a scan of a composite negative of the Malibu Beach 7.5 minute quadrangle (contour interval = 25 ft.) ma-foss.e00 Fossil localitiesin format ARCE (version 7.x) Size: 23.3 |
|---|---|
| Network links: |
http://pubs.usgs.gov/of/1997/of97-257/malibu.tar.gz |