Name: Bedrock Geology 1M (ROI/NI)

Display Field: UNITNAME

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 14 0;"><SPAN><SPAN>Bedrock is the solid rock at or below the land surface. Over much of Ireland, the bedrock is covered by materials such as soil and gravel. The Bedrock map shows what the land surface of Ireland would be made up of if these materials were removed. As the bedrock is commonly covered, bedrock maps are an interpretation of the available data. </SPAN></SPAN></P><P STYLE="margin:0 0 14 0;"><SPAN><SPAN>Geologists map and record information on the composition and structure of rock outcrops (rock which can be seen on the land surface) and boreholes (a deep narrow round hole drilled in the ground). Areas are drawn on a map to show the distribution of rocks. </SPAN></SPAN></P><P STYLE="margin:0 0 14 0;"><SPAN><SPAN>To produce this dataset, the Geological Survey Ireland (GSI) bedrock geology 1:500,000 and 1:100,000 maps were generalised. The Northern Irish data was generalised using the Geological Survey of Northern Ireland (GSNI) 1:250,000 bedrock geology map.</SPAN></SPAN></P><P STYLE="margin:0 0 14 0;"><SPAN>This map is to the scale 1:1,000,000. This means it should be viewed at that scale. When printed at that scale 1cm on the map relates to a distance of 10km.</SPAN></P><P STYLE="margin:0 0 14 0;"><SPAN><SPAN>It is a vector dataset. Vector data portray the world using points, lines, and polygons (areas).</SPAN></SPAN></P><P STYLE="margin:0 0 14 0;"><SPAN><SPAN>The bedrock data is shown as polygons. Each polygon holds information on the rock unit name, age and there is a link to download a pdf of the age description.</SPAN></SPAN></P></DIV></DIV></DIV>

Service Item Id: b12687b759784b178118f3a9c216ef9d

Copyright Text: Contains Irish Public Sector Data (Geological Survey Ireland) licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence. Contains UK public sector information (Geological Survey of Northern Ireland) licensed under the UK Open Government Licence v3.0.

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Supported Query Formats: JSON, geoJSON, PBF

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Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports Datum Transformation: true

Extent:

XMin: 417942.3377
YMin: 519727.085999999
XMax: 766540.0907000001
YMax: 965627.976600001
Spatial Reference: 2157  (2157)

Drawing Info:

Renderer:
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Field 1: UNITNAME
Field 2: N/A
Field 3: N/A
Field Delimiter: ;
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Default Label: N/A
UniqueValueInfos:
• Value: Serpentinite and sedimentary melange (Palaeozoic)
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• Value: Ordovician granitic rocks
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• Value: Lr Palaeozoic basic-intermediate intrusion
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• Value: Siluro-Devonian granitic rocks & appinite
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• Value: Palaeogene granitic rocks
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• Value: Palaeogene rhyolite
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• Value: Palaeogene basic intrusive rocks
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• Value: Palaeoproterozoic gneiss
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• Value: Mesoproterozoic gneiss
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• Value: Neoproterozoic schist and gneiss
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• Value: Neoproterozoic metasedimentary rocks - Dalradian
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• Value: Cambrian greywacke, slate, quartzite
  Label: Cambrian greywacke, slate, quartzite
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• Value: Ordovician volcanic rocks
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• Value: Lower-Middle Ordovician slate, sandstone, greywacke, conglomerate
  Label: Lower-Middle Ordovician slate, sandstone, greywacke, conglomerate
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• Value: Middle-Upper Ordovician slate, sandstone, greywacke, conglomerate
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• Value: Late Ordovician-Silurian deep marine greywacke, mudstone (Longford-Down)
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• Value: Silurian terrestrial - shallow marine sandstone, siltstone, conglomerate
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• Value: Silurian deep marine mudstone, greywacke & conglomerate
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• Value: Devonian volcanic rocks
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• Value: ORS, sandstone, conglomerate & mudstone
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• Value: Up. Devonian sandstone & mudstone (Old Head Sandstone Fm)
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• Value: Carboniferous volcanic rocks
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• Value: Tournaisian sandstone, mudstone, limestone
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• Value: Tournaisian limestone
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• Value: Visean limestone & calcareous shale
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• Value: Visean sandstone, mudstone & evaporite
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• Value: Visean to Westphalian redbed sandstone, conglomerate & mudstone
  Label: Visean to Westphalian redbed sandstone, conglomerate & mudstone
  Description: N/A
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• Value: Namurian shale, sandstone, siltstone & coal
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• Value: Westphalian shale, sandstone, siltstone & coal
  Label: Westphalian shale, sandstone, siltstone & coal
  Description: N/A
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• Value: Permian sandstone, conglomerate, evaporite
  Label: Permian sandstone, conglomerate, evaporite
  Description: N/A
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• Value: Triassic sandstone, mudstone, evaporite
  Label: Triassic sandstone, mudstone, evaporite
  Description: N/A
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  Color: [247, 219, 94, 255]
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• Value: Jurassic mudstone & limestone
  Label: Jurassic mudstone & limestone
  Description: N/A
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• Value: Cretaceous chalk, flint, glauconitic sandstone
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  Description: N/A
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• Value: Palaeocene basalt lava
  Label: Palaeocene basalt lava
  Description: N/A
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• Value: Oligocene clay, sand & lignite
  Label: Oligocene clay, sand & lignite
  Description: N/A
  Symbol:
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  Color: [255, 255, 222, 255]
  Outline:
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  Color: [204, 204, 153, 255]
  Width: 0
Transparency: 30
Labeling Info:

Advanced Query Capabilities:

Supports Statistics: true
Supports OrderBy: true
Supports Distinct: true
Supports Pagination: true
Supports TrueCurve: true
Supports Returning Query Extent: true
Supports Query With Distance: true
Supports Sql Expression: true
Supports Query With ResultType: false
Supports Returning Geometry Centroid: false

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HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• UNITNAME ( type: esriFieldTypeString, alias: Geological Unit Name, length: 254 )
• AGEBRACKET ( type: esriFieldTypeString, alias: Geological Age, length: 50 )
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• UNITTABLELINK ( type: esriFieldTypeString, alias: Document Link, length: 130 )

Supported Operations:   Query   Query Attachments   Generate Renderer   Return Updates

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