Bedrock Geologic Map of the Windham Quadrangle, Rockingham and Hillsborough Counties, New Hampshire: Cartographic point coverage for ductile geologic structure data.

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/99-8/strux.faq.html
Description Cartographic point coverage for ductile geologic structure data. The geologic data was mapped during the summer of 1998 at a scale of 1:24,000. The bedrock geology was mapped using standard techniques. Locational information was provided by Rockwell PLGR
Originators Walsh, Gregory J. and Clark, Stewart F., Jr.
Publication U.S. Geological Survey Open-File Report 99-8

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States or counties

STRUX.PAT

point attribute table for ductile geologic symbols

Label Definition
STATION field station number
POSFMT position format from PLGR+96 GPS unit
ZONE UTM zone from PLGR+96 GPS unit
HDATUM horizontal datum from PLGR+96 GPS unit in NAD27-CONUS
HRZERR horizontal error from PLGR+96 GPS unit in feet
ELEV elevation from PLGR+96 GPS unit in feet
VDATUM vertical datum from PLGR+96 GPS unit in World Geodetic System (WGS-84)
ELEVUNIT elevation unit from PLGR+96 GPS unit in feet
TYPE type of geologic point data
SUB_TYPE secondary type of geologic point data
STRIKE geologic strike of planar point data measured in right-hand rule in degrees
DIP geologic dip of planar data and plunge of linear data in degrees
DIPDIR geologic dip direction of planar data or trend of linear data in degrees
REL_AGE relative age of geologic point data
SYMBOL symbol number from geologic lineset used for plotting
SYMBOL_ANG symbol angle in degrees used for rotation of symbols
ROTATION rotation sense of minor folds as viewed down plunge or offset on faults
SPACING spacing of joints in joint sets in meters
WIDTH width of fracture zone in meters
NETSLIP net slip of minor faults in meters
APERTURE aperture of joint openings in meters
MIN1 primary mineral in veins
MIN2 secondary mineral in veins
MIN3 tertiary mineral in veins
LITH geologic unit label designators for dikes, same as code
TOPOFEAT topographic feature parallel to geologic structure
CODE geologic unit label designators for dikes, same as lith