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Layer: Bedrock geology (500K) (ID: 25)

Parent Layer: Geology

Name: Bedrock geology (500K)

Display Field: Unit_Name

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This data set was updated in 2014 by the Wyoming State Geological Survey. Polygons were merged, description information was completed, and geologic units were converted to representations to retain unit colors and patterns.The geologic map was digitized by Green, G.N., and Drouillard, P.H., 1994, from original scribe sheets used to prepare the published 1:500,000-scale Geologic Map of Wyoming (Love and Christiansen, 1985). Stable base contact prints of the scribe sheets were scanned on a Tektronix 4991 digital scanner. The scanner automatically converts the scanned image to an ASCII vector format. These vectors were transferred to a VAX minicomputer, where they were loaded into Arc/Info. The dataset includes both linear and polygon features, with attributes derived from the original 1985 map. Original images (Map, Legend, and Sources): http://www.uwyo.edu/geolgeophys/about/geologic-map-wyoming.htmlUpdated data set available for download through the WSGS web site: www.wsgs.wyo.gov/ or WyGISC GeoLibrary : http://wygl.wygisc.org/wygeolib/catalog/main/home.pageDIGITAL DATA INFORMATION:GEOLOGIC SYMBOLOGY (FGDCGeoAge font used for labeling Special Characters in SYMBOL field):Mz = MesozoicPz = PaleozoicK = Cretaceous^ = TriassicIP = Pennsylvanian_ = Cambrian< = ProterozoicY = Middle ProterozoicX = Early ProterozoicW = Late ArcheanV = Middle ArcheanU = Early ArcheanFOOTNOTES (fn):1. Query indicates uncertainty of position of top of unit within the Pleistocene.2. Age of upper parts of uppermost Miocene units is problematic. These parts have historically been assigned to the Pliocene. Successive reductions in radiometric age of the top of the Miocene in Europe to 7 Ma (Lambert, 1971) and to 5 Ma (Berggren, 1972) place a Pliocene age in question, although the top beds of the formations have not been dated.3. Karlstrom and others (1983).4. Divis (1976).5. Houston and others (1968).6. Snyder (1980).7. McCallum (1968).

Service Item Id: 35097642b268491f83a7b652e796b299

Copyright Text: WSGS update in 2014. Gregory N. Green, and Patricia H. Drouillard digitized the Geologic Map of Wyoming in 1994. Pat Stamile of the USGS and Chris Arneson and Laisan Serebryakov of the University of Wyoming Water Resources Center provided digital review. Original Geologic Map of Wyoming, Love and Christiansen, 1985.

Default Visibility: false

MaxRecordCount: 5000

MaxSelectionCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0.0

Max Scale: 0.0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: false

Can Scale Symbols: false

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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