Preliminary geologic map emphasizing bedrock formations in Contra Costa County, California: A digital database

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/94-622/metadata.faq.html
Description This digital map database, which is compiled from previously published and unpublished sources combined with new mapping, represents the general distribution and identity of bedrock in Contra Costa County, California.
Originators Graymer, Russell W.; Jones, D. L.; and Brabb, Earl E.
Publication U.S. Geological Survey Open-File Report 94-622

Related topics

States or counties

CC-CORR.AAT

This ARC coverage contains a correlation table for the units in these maps.

Label Definition
LTYPE Line type

CC-FLT_UTM.AAT

fault map of Contra Costa County with major faults labeled

Label Definition
LTYPE Line type

CC-FLT_UTM.PAT

fault map of Contra Costa County with major faults labeled

Label Definition
PTYPE Point type

CC-AS.PAT

Index map of Assemblages in Contra Costa County

Label Definition
PTYPE Polygon type

CC_AS.AAT

Linear features on the index map of assemblages in Contra Costa county

Label Definition
LTYPE Line type

CC-AS.PAT

Map units at specific points of the assemblages in Contra Costa County (same attributes as polygon coverage CC_AS.PAT)

Label Definition

CC_DR.AAT

Drainage base map

Label Definition
LTYPE Line type

CC_CU.AAT

Cultural base map

Label Definition
LTYPE Line type

CC_QUAD.AAT

Index map of 7.5' quadrangle index maps in the Contra Costa county

Label Definition
LTYPE Line type

CC_QUAD.PAT

Index map of 7.5' quadrangle index maps in the Contra Costa county (same attributes as arc coverage FLT_UTM.PAT

Label Definition

CC_SO.PAT

Index map of sources of data

Label Definition
PTYPE Polygon type

CC_SO.AAT

Index map of sources of data (same attributes as arc coverage CC_QUAD.AAT)

Label Definition

CC_SO.PAT

Index map of sources of data (same attributes as polygon coverage CC_SO.PAT)

Label Definition

CC_SR.AAT

Fold axes

Label Definition
LTYPE Line type

CC_SR.PAT

Strike and dip information

Label Definition
PTTYPE Point type
DIP Dip of bedding
STRIKE Strike of bedding

CC_TOPO.AAT

Topographic base map

Label Definition
LTYPE Line type

CC_UTM.PAT

Geologic map units (? indicates uncertainty)

Label Definition
PTYPE Polygon type

CC_UTM.AAT

Faults, depositional contacts

Label Definition
LTYPE Line type

CC_UTM.PAT

Geologic map units at specific locations (? indicates uncertainty) (same attributes as polygon coverage CC_UTM.PAT)

Label Definition