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Layer: Geologic Units (ID: 2658)

Parent Layer: Grouse Creek OFR716DM

Name: Geologic Units

Display Field: UnitName

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This digital dataset represents the geology of the Grouse Creek and east part of the Jackpot 30' x 60' quadrangles at 1:62,500 scale. The map area lies in the northwest corner of Utah and covers the hinterland of the Sevier fold-thrust belt, part of the Albion-Raft River-Grouse Creek metamorphic core complex, and eastern Basin and Range Province, thus leading to very complicated structural relationships. The area includes the oldest exposed rocks in Utah, the Green Creek Complex (~2.6 Ga, Archean). Overlying Neoproterozoic metamorphic rocks include schist and quartzite units, and parts of the Neoproterozoic and Paleozoic sections have been metamorphosed and severely attenuated. Several marine Permo-Triassic units were also structurally deformed through compression and extension. Eocene-Oligocene volcanism occurred during the onset of another phase of extension. A thick sequence of Tertiary strata (Salt Lake Formation) and coeval volcanic rocks fill several basins developed during the Miocene extensional regime; new age data help constrain the timing. Deposits of Lake Bonneville and other Quaternary depositional environments blanket large parts of the quadrangles. Geologic map preparation and interpretations were substantially aided by the acquisition of geophysical (gravity and aeromagnetic) data. This project is a cooperative effort between the U.S. Geological Survey and the Utah Geological Survey.

Copyright Text: Program Manager: Grant C. Willis (UGS) Project Manager (GIS): Donald L. Clark GIS and Cartography: Basia Matyjasik, Jay C. Hill, Kent D. Brown (UGS), Sue Priest (USGS) Geology review: Jon K. King, Grant C. Willis, Michael D. Hylland, Robert M. Ressetar (UGS), Paul Stone (USGS) GIS review: Kent D. Brown (UGS)

Default Visibility: true

MaxRecordCount: 10000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: true

Can Scale Symbols: true

Use Standardized Queries: true

Supports Datum Transformation: true

Extent:
Drawing Info: Advanced Query Capabilities:
HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:
Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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