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

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/96-252/metadata.faq.html
Description This Open-File report is a digital geologic map database of the Alameda County, California.
Originators Graymer, Russell W.; Jones, D. L.; and Brabb, Earl E.
Publication U.S. Geological Survey Open-File Report 96-252

Related topics

States or counties

Overview of attributes

>Coverage FAULT.AAT - fault name
>Attribute name - FNAME
>
>Fault names include:
>Arroyo Aguague fault
>Calaveras fault
>Chabot fault
>Dresser fault
>Greenville fault
>Hayward fault
>Las Positas fault
>Mill Creek fault
>Miller Creek fault
>Mission fault
>Moraga fault
>Palomares fault
>Pirate Creek fault
>Sheridan Creek fault
>South Las Positas fault
>Stonybrook fault
>Verona fault
>Warm Springs fault
>Williams fault

For more information view the file aldb.txt.

AL_AS.AAT

Index map of Assemblages in Alameda County, linear features

Label Definition
LTYPE Line type

AL_UM-FLT.AAT

Map of faults and fold axes in Alameda County with additional database items containing fault name

Label Definition
LTYPE Line type

AL_UM-PY.PAT

Geologic map units

Label Definition
PTYPE Polygon type

AL_UM-PY.AAT

Linear geologic features

Label Definition
LTYPE Line type

AL_UM-PY.PAT

Geologic map units at specific locations (same attributes as polygon coverage AL_UM-PY.PAT)

Label Definition

AL_UM-SR.AAT

Fold axes

Label Definition
LTYPE Line type

AL_UM-SR.PAT

strike and dip information

Label Definition
PTTYPE Point type