Geologic map and map database of the Palo Alto 30' X 60' quadrangle, California

Online link https://geo-nsdi.er.usgs.gov/metadata/map-mf/2332/metadata.faq.html
Description This digital map database, compiled from previously published and unpublished data, and new mapping by the authors, represents the general distribution of bedrock and surficial deposits in the mapped area. Together with the accompanying text file (pamf.p
Originators Brabb, Earl E.; Graymer, Russell W.; and Jones, D. L.
Publication U.S. Geological Survey Miscellaneous Field Studies Map MF-2332

Related topics

States or counties

Overview of attributes

The databases in this report were compiled in ARC/INFO, a commercial
Geographic Information System (Environmental Systems Research
Institute, Redlands, California).  Almost all the attributes in the
various attribute tables of the coverages included in the report are
set or calculated by Arc/Info.  The exceptions are "coveragename"-ID,
LTYPE, PTYPE, PTTYPE, BKTYPE, SAMPNO, STRIKE, and DIP.  "
coveragename"-ID is required by internal policy to be sequential.
This ensures the highest compatibility of our databases with other
GISs. Therefore "coveragename"-ID is calculated equal to "
coveragename"#, which is a unique, sequential integer assigned by
Arc/Info to each data record.  LTYPE, PTYPE, and PTTYPE are author
added items to the coverage AAT or PAT that are used to describe the
type of line (LTYPE), area (PTYPE), or point (PTTYPE) being recorded.
All coverages with AAT and PAT present include these items in the
data structure, although in some cases these items are not used (see
above).  Each has WIDTH 35, OUTPUT 35, TYPE C.  STRIKE and DIP are
author added items to the coverage PAT that record information about
the orientation of planar geologic structures.  Both have WIDTH 3,
OUTPUT 3, TYPE I.  These items are only recorded in the table PA_UM-
SR.PAT.  FAULTNAME is an author added item the coverage AAT that
records information about the names of faults in the map area.  It
has WIDTH 35, OUTPUT 35, TYPE C.  FAULTNAME is only recorded in the
table PA_UM-FLT.AAT.  The base map layers (pa_um-dr, pa_um-cu, pa_um-
topo) are included for visual reference only and contain no data
attributes or attribute tables.

This report combined with the explanatory pamphlet: pamf.ps, pamf.pdf, pamf.txt.

PA_UM-PY.PAT

Attribute table of PA_UM-PY.

Label Definition
PTYPE Geologic unit label

PA_UM-PY.AAT

Attribute table of PA_UM-PY.

Label Definition
LTYPE Type of geologic or geographic feature denoted by a line in the database.

PA_UM-SR.PAT

Attribute table of PA_UM-SR.

Label Definition
PTTYPE The type of planar feature which was observed and the orientation of which was measured at this point.
DIP The inclination of planar structures measured in degrees down from horizontal.
STRIKE The orientation of a horizontal line in an inclined planar structure measured in degrees clockwise from north.

PA_UM-SR.AAT

Attribute table of PA_UM-SR.

Label Definition
LTYPE The type of fold axis or other structural linear feature that does not bound geologic units. Faults and contacts are described in a separate coverage.

PA_QUAD.PAT

Attribute table of PA_QUAD.

Label Definition
PTYPE Name of USGS 7.5' quadrangles within the map area

PA_QUAD.AAT

Attribute table of PA_QUAD.

Label Definition
LTYPE Type of line recorded in the quadrangle index coverage.

PA_UM-FLT.AAT

Attribute table of PA_UM-FLT.

Label Definition
LTYPE The type of geologic or geographic feature denoted by a line in the database.
FAULTNAME Identity of named faults and strands of named fault zones

PA_CORR.PAT

Attribute table of PA_CORR.

Label Definition
PTYPE Labels of geologic units and areas of water.

PA_CORR.AAT

Attribute table of PA_CORR.

Label Definition
LTYPE Type of line used in the correlation chart

PA_SO.PAT

Attribute table of PA_SO.

Label Definition
PTYPE The index number of the area labeled that relates to the sources of data as shown in the explanation pamphlet (pamf.ps, pamf.pdf, pamf.txt) or in Lineage:Source Information above. The major areas mapped as water are also shown.

PA_SO.AAT

Attribute table of PA_SO.

Label Definition
LTYPE Type of line used in the Sources of Data Index Map coverage

PA_AS.PAT

Attribute table of PA_AS.

Label Definition
PTYPE Stratigraphic assemblage distribution, areas of Quaternary cover, areas of artificial fill, and areas of water. Assemblages are described in the explanatory pamphlet (pamf.ps, pamf.pdf, pamf.txt)

PA_AS.AAT

Attribute table of PA_AS.

Label Definition
LTYPE The type of line in the terrane map.