Data · collection · 1999
Geologic map of the Sedan quadrangle, Gallatin and Park Counties, Montana
Listed in NASA Earthdata CMR
The geology of the Sedan quadrangle was mapped as part of a regional study of the western Crazy Mountains Basin.
Description
It was digitized for ease of production of the printed version and for greater distribution for analytical use. This quadrangle lies 6.4 km (4 mi) northeast of Bozeman, Mont., in southwestern Montana.
Metamorphic, sedimentary, and volcanic rocks of Precambrian to Tertiary age are exposed in the Bridger Range and southwestern margin of the Crazy Mountains Basin in a crustal cross section and a structural triangle zone. Surface geology records Precambrian extension, Late Paleocene east-vergent contraction, including backthrusts, and Holocene basin-range extension. A preliminary map was published as a U.S. Geological Survey Open-File Report in 1971.
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The geologic data was interpreted 1965-93, the interpretation being informed by data from two wells in addition to the original field work. The digital files for the map were released in November 1998. The map-on-demand edition, released in January 2000, includes supplemental figures,three cross sections, and interpretive text.
Users should be aware that of the many faults mapped, the only active one is the range front fault on the west side of the Bridger Range. The dataset for the Sedan quadrangle consists of 10 coverages: geo_net, geo_pnt, stru_net, stru_pnt, data_net, data_pnt, pnt_sym, pnt_graphic, stpnt_graphic, and dvalues. The three coverages pnt_graphic, stpnt_graphic, and dvalues are not "true" ARC/INFO coverages.
They contain the graphic representations of symbols used on the geologic map: >pnt_sym = pnt_graphic, >stru_pnt and geo_pnt = stpnt_graphic, and >dvalues = annotation for stru_pnt and geo_pnt.
Links
Get the data
- Access to documentation and data pubs.usgs.gov/imap/1998/i-2634 ↗
download · from NASA CMR
Documentation and papers
- FGDC Metadata in outline and text format geo-nsdi.er.usgs.gov/metadata/map-i/2634/metadata.faq.html ↗
documentation · from NASA CMR
Catalogue records · 2
- CMR record cmr.earthdata.nasa.gov/search/concepts/C2231553897-CEOS_EXTRA.html ↗
catalogue entry · from NASA CMR
- CMR UMM-JSON cmr.earthdata.nasa.gov/search/concepts/C2231553897-CEOS_EXTRA.umm_json ↗
metadata API · from NASA CMR
Topics
- Stated by source
- Age Determinations · Bedrock Lithology · Fault Movement · Folds · Igneous Rocks · MAPS · Metamorphic Rocks · Minerals · Sedimentary Rocks · Sediments · Stratigraphic Sequence · Tectonic Processes
- Inferred from text
- Text 75%
Provenance · 1 source records, 21 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Earthdata CMR | C2231553897-CEOS_EXTRA | 15 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/land-surface/geomorphic-landforms-processes/tectonic-processes | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/rocks-minerals-crystals/age-determinations | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/rocks-minerals-crystals/bedrock-lithology | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/rocks-minerals-crystals/igneous-rocks | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/rocks-minerals-crystals/metamorphic-rocks | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/rocks-minerals-crystals/minerals | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/rocks-minerals-crystals/sedimentary-rocks | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/rocks-minerals-crystals/sediments | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/tectonics/plate-tectonics/fault-movement | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/tectonics/plate-tectonics/folds | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/tectonics/plate-tectonics/stratigraphic-sequence | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[modality].local:modality:text | enrichment · NASA CMR | keyword-concept-rules@1.0.0 | title+description (75%) |
| concepts[platform].gcmd_platform:maps | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| description | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/Abstract |
| license_text | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| publication_date | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| spatial | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/SpatialExtent |
| temporal | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/TemporalExtents |
| title | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/EntryTitle |
| version_label | source · NASA CMR | connector:nasa_cmr@1.0.0 |