Structural Measurement Atlas
Atlas / States / Nevada

Nevada strike and dip data

15,033 structural measurements in Nevada, digitized from 1,642 published geologic maps across 4 sources. Every row carries its azimuth, inclination, measurement type, location confidence and the citation of the map it came from.

Open Nevada on the map

What kinds of measurement

The Atlas separates planar structures, recorded as a strike and dip, from linear ones, recorded as a trend and plunge. This is what Nevada holds:

Measurement typeGeometryMeasurementsShare
Bedding Planar — strike and dip 5,11534%
Foliation Planar — strike and dip 4,36129%
Other Planar — strike and dip 3,82925%
Vein / dike Planar — strike and dip 1,62411%
Lineation (mineral, stretching) Linear — trend and plunge 58<1%
Fault plane Planar — strike and dip 45<1%
Joint Planar — strike and dip 1<1%

Where the data comes from

Each source is a survey, agency or program whose published mapping was harvested and reconciled into one schema. Rows are published only where the source's terms permit redistribution.

SourceMeasurementsShare
NGMDB legacy quads 10,56670%
USGS data releases · MRDS 1,63011%
NPS GRI parks 1,48810%
USGS NGMDB GeMS 1,3499%

Most-measured published maps

The individual quadrangles and data releases contributing the most measurements in Nevada. The full citation for every map behind a selection ships in the sources.csv of any export.

Published mapYearScaleMeasurements
Preliminary digital geologic map database of the Nevada Test Site area, Nevada1995 1:130,0002,041
Geologic and geophysical maps of the Las Vegas 30' x 60' quadrangle, Clark and Nye Counties, Nevada, and Inyo County, California2005 1:100,0001,933
Digital geologic map of the Nevada Test Site area, Nevada, in SDTS vector format, ARC/INFO generate files, and ARC/INFO coverages1997 1:100,0001,766
Digital bedrock geologic map database of the Beatty 30 X 60-minute quadrangle, Nevada and California1999 1:100,0001,655
adapted from: Miller, E. L., and the Stanford Geological Survey, 2007, Geologic Map of Great Basin National Park and Environs, Southern Snake Range, Nevada: Stanford University and the Stanford Geological Survey, unpublished digital data, scale 1:24,0002025 240001,488
Geologic map of the Alligator Ridge area, including the Buck Mountain East and Mooney Basin Summit quadrangles and parts of the Sunshine Well NE and Long Valley Slough quadrangles, White Pine County, Nevada2000 1:24,000954
Geologic map of Oasis Valley spring-discharge area and vicinity, Nye County, Nevada2007 1:50,000879
Preliminary geologic map of Black Canyon and surrounding region, Nevada and Arizona2014 1:48,000863
John, D.A., 1993, Geologic map of the Job Peak quadrangle, Churchill County, Nevada: Nevada Bureau of Mines and Geology Field Studies Map 5, scale 1:24,000, 8 p.2024 1:24,000467
John, D.A., 1995b, Geologic map of the Pirouette Mountain quadrangle, Churchill County, Nevada: Nevada Bureau of Mines and Geology Field Studies Map 9, scale 1:24,000, 6 p.2024 1:24,000347
Preliminary digital geologic map of the Springdale quadrangle, Nye Co., Nevada1997 1:24,000217
John, D.A., 1992, Geologic map of the Table Mountain quadrangle, Churchill County, Nevada: U.S. Geological Survey Miscellaneous Field Studies Map MF–2194, scale 1:24,000.2024 1:24,000175
John, D.A., and Silberling, N.J., 1994, Geologic map of the La Plata Canyon quadrangle, Churchill County, Nevada: U.S. Geological Survey Geologic Quadrangle Map GQ-1710, scale 1:24,000, 8p. pamphlet.2024 1:24,000162
D.A. John and N.J. Silberling, unpublished mapping, 19942024 1:24,000153
Geologic map of the Bodie Hills, California and Nevada2015 1:50,00094

Most-measured map units

Where a source recorded the geologic unit a measurement was taken on, the Atlas keeps it. These are the units carrying the most measurements in Nevada.

Map unitAgeLithologyMeasurements
Tuff of Elevenmile Canyon Tec OligoceneFelsic-composition pyroclastic flows745
Tuff of Job Canyon Tjc OligoceneFelsic-composition pyroclastic flows137
Lower cooling unit of tuff of Poco Canyon Tpcl OligoceneFelsic-composition pyroclastic flows99
Sedimentary tuff Tst OligoceneSedimentary and extrusive igneous material77
Sedimentary rocks, undifferentiated Ts middle MioceneClastic sedimentary rock44
Rhyolite of Pirouette Mountain Trpm OligoceneFelsic-composition lava flows32
Tuff of Job Peak Tjp OligoceneFelsic-composition pyroclastic flows32
Tfv 27
Breccia, conglomerate, and tuffs, undifferentiated Tobr OligoceneSedimentary and extrusive igneous material20
Older tuffs, undifferentiated Tot OligoceneFelsic-composition pyroclastic flows18
Tev 18
Rhyolite of East Lee Canyon Trelc OligoceneFelsic-composition lava flows14

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