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Layer: Geologic Units (ID: 1789)

Parent Layer: Henrie Knolls 7.5 M-252dm

Name: Geologic Units

Display Field: UNITNAME

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This 1:24,000-scale digital dataset represents the geology of the Henrie Knolls 7.5' quadrangle, which is in the central Markagunt Plateau, east of Cedar City in southwestern Utah. The quadrangle is dominated by typically heavily forested exposures of the red member of the Claron Formation, which is spectacularly exposed to the northwest at nearby Cedar Breaks National Monument, and by sparsely vegetated late Pleistocene and possibly Holocene basaltic lava flows. Dissolution of carbonate beds in the Claron Formation created numerous sinkholes, many of which involve overlying lava flows; this karst topography greatly affects the movement of surface water and groundwater across the quadrangle. The Henrie Knolls lava flow complex is the largest in the quadrangle and erupted from more than 20 vents that are strikingly aligned in a northeast direction, subparallel to small normal faults in the region. Claron and underlying Upper Cretaceous strata dip gently to the east-northeast, illustrating the overall simple structure of the central part of the plateau. This item is part of a larger digital dataset that contains the additional feature classes, base maps, plates, and other supplementary materials necessary for the user to fully view, evaluate, and utilize the geological spatial data related to this product. A paper version of this map is available from the Utah Department of Natural Resources Map and Bookstore.

Copyright Text: Program Manager: Grant C. Willis (UGS) Project Manager: Donald L. Clark (UGS) GIS and Cartography: Jay C. Hill, Kent D. Brown, J. Buck Ehler (UGS) Geology review: Donald L. Clark, Grant C. Willis, and Robert R. Ressetar (UGS) GIS review: J. Buck Ehler (UGS) Funding: Utah Geological Survey and the U.S. Geological Survey, National Cooperative Geologic Mapping Program, through USGS STATEMAP award number 06HQAG0037.

Default Visibility: true

MaxRecordCount: 2000

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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