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Open-File Report 97-459

Preliminary Geologic Map of the Newbury Park 7.5' Quadrangle, Southern California: A Digital Database

By R. F. Yerkes and R. H. Campbell

Thumbnail of and link to report PDF (77 kB)Summary

This Open-File report is a digital geologic map database. This pamphlet serves to introduce and describe the digital data. There is no paper map included in the Open-File report. This digital map database is compiled from previously published sources combined with some new mapping and modifications in nomenclature. The geologic map database delineates map units that are identified by general age and lithology following the stratigraphic nomenclature of the U. S. Geological Survey. For detailed descriptions of the units, their stratigraphic relations, sources of geologic mapping, and data on exploratory wells consult Yerkes and Campbell (1997), and Yerkes and Showalter (1990). More specific information about the units may be available in the original sources.

First posted June 10, 1997

For additional information, contact:
Newbury Park, CA 7.5' Geologic Database
c/o Database Coordinator
U.S. Geological Survey
345 Middlefield Road, M/S 975
Menlo Park, CA 94025

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Suggested citation:

Yerkes, R. F. and Campbell, R. H., 1997, Preliminary Geologic Map of the Newbury Park 7.5' Quadrangle, Southern California: A Digital Database: U.S. Geological Survey open-File Report 97-459, 11 pp., https://pubs.usgs.gov/of/1997/0459/.



Contents

Introduction

Obtaining the Digital Data

Extracting the Geologic Map Database from the TAR File

Geologic Map Database Contents

Converting ARC Export Files

Digital Compilation

Base Maps

Spatial Resolution

Faults and Landslides

Database Specifics

Acknowledgments

References

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