Structural Measurement Atlas
Atlas / Sources / South Dakota SDGS

South Dakota SDGS

34,897 structural measurements in the Atlas come from South Dakota SDGS, harvested across 1 published maps and data releases and reconciled into the Atlas schema.

Show only this source on the map

0% of this source's records state their own azimuth convention in the published data. Where a convention is not stated the Atlas infers it from the source's documented practice and records that it did so — which is why every row keeps a link back to the map it came from, and why a measurement that matters should be checked against that map.

What it contains

Measurement typeGeometryMeasurementsShare
Bedding Planar — strike and dip 19,14755%
Foliation Planar — strike and dip 5,37015%
Other Planar — strike and dip 4,55013%
Joint Planar — strike and dip 3,83911%
Lineation (mineral, stretching) Linear — trend and plunge 8572%
Fold hinge / axis Linear — trend and plunge 5672%
Vein / dike Planar — strike and dip 4681%
Fault plane Planar — strike and dip 61<1%
Cleavage Planar — strike and dip 38<1%

Where it is

StateMeasurementsShare
South Dakota 34,897100%

Most-measured published maps

Published mapYearScaleMeasurements
Geologic Quadrangle map series GIS data (GQ24K 1:24,000 and GQ250K 1:250,000)— GQ24K = 1:24,000 (Black Hills bedrock quads + eastern glacial quads); GQ250K = 1:250,000 sheets34,897

Most-measured map units

Other sources