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Layer: Atlantic Seafloor Sediment (CONMAP) (ID: 11)

Name: Atlantic Seafloor Sediment (CONMAP)

Display Field: SEDIMENT

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: The sediment map of the Continental Margin Mapping Program (CONMAP) series is a compilation of grain-size data produced by the U.S. Geological Survey (USGS) and includes both published and unpublished studies. Sediment was classified using the 1929 Wentworth grain-size scale and the 1954 Shepard scheme of sediment classification. Certain grain-size categories are combined because of the paucity of some sediment textures. True boundaries between sediment types are highly irregular or gradational. This is due to textural variability not characterized at this scale, and because the accuracy of the navigational systems used during the earlier studies is limited. Sediment classification reflects the dominant surficial sediment type for that area and does not infer that other sediment types are not present. Blank parts of the maps indicate areas where data are insufficient to infer sediment type. This data layer is supplied primarily as a gross overview and to show general textural trends.

Definition Expression: N/A

Copyright Text: U.S. Geological Survey

Default Visibility: true

MaxRecordCount: 10000

Supported Query Formats: JSON, AMF, geoJSON

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: true

Can Scale Symbols: false

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   Generate Renderer   Return Updates