Quaternary geology of Alameda County, and parts of Contra Costa, Santa Clara, San Mateo, San Francisco, Stanislaus, and San Joaquin Counties, California: A digital database

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/97-97/metadata.faq.html
Description Alameda County is located at the northern end of the Diablo Range of Central California. It is bounded on the north by the south flank of Mount Diablo, one of the highest peaks in the Bay Area, reaching an elevation of 1173 meters (3,849 ft). San Fran
Originators Helley, E. J. and Graymer, Russell W.
Publication U.S. Geological Survey Open-File Report 97-97

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