Bunchloch

Bunchloch

Bedrock data and maps include national coverage at various scales (100k, 500k, 1M) and block coverage (Northeastern and North Midlands) at 50k scale to date. Bedrock boreholes and outcrops are also available.

Bedrock 1M (scale 1:1,000,000)

Bedrock 500k (scale 1:500,000)

Bedrock 100k (scale 1:100,000)

Bedrock 50k Northeastern block (scale 1:50,000)

Bedrock 50k North Midlands block (scale 1:50,000)

Bedrock 50k Dublin GeoUrban block (scale 1:50,000)

Bedrock Outcrops

Verified Bedrock Boreholes

Bedrock Boreholes (Unverified)

Bedrock 3D Model of Dublin

Rosguill Peninsula bedrock special sheet (scale 1:12,000)

Bedrock Geology of Ireland (scale 1:1,000,000)

Bedrock Geology of the UK and Ireland (scale 1:1,250,000)


 

Bedrock 1M (scale 1:1,000,000)

Coordinate System: Irish National Grid / ING

​​​​​TypeSource
Map ViewerLink to viewer
Web ServicesMap Server
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Bedrock 500k (scale 1:500,000)

Coordinate System: Irish National Grid / ING

​​​​​TypeSource
Data DownloadZip file
Map ViewerLink to viewer
MetadataLink to ISDE website
Data.gov.ieLink to Data.gov.ie website
Web ServicesMap Server
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Bedrock 100k (scale 1:100,000)

Coordinate System: Irish Transverse Mercator / ITM

​​​​​TypeSource
Data DownloadZip file
Map ViewerLink to viewer
MetadataLink to ISDE website
Data.gov.ieLink to Data.gov.ie website
Web ServicesMap Server
​​​​

Bedrock 50k Northeastern block (scale 1:50,000)

Coordinate System: Irish Transverse Mercator / ITM

​​​​​TypeSource
Data DownloadZip file

Bedrock 50k North Midlands block (scale 1:50,000)

Coordinate System: Irish Transverse Mercator / ITM

​​​​​TypeSource
Data DownloadZip file
​​​​
​​​​

Bedrock 50k Dublin GeoUrban block (scale 1:50,000)

Coordinate System: Irish Transverse Mercator / ITM

​​​​​TypeSource
Data DownloadZip file
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Bedrock Outcrops

Coordinate System: Irish Transverse Mercator / ITM

​​​​​TypeSource
Data DownloadZip file
Map ViewerLink to viewer
MetadataLink to ISDE website
Data.gov.ieLink to Data.gov.ie website
Web ServicesMap Server
​​​​

Verified Bedrock Boreholes

The verified drill holes dataset is a cartographic representation of the collar coordinates of Geological Survey Ireland drill holes combined with a new compilation of historical mineral exploration holes from the Open File system. The "Verified_Drillholes_with_Logs" data layer is a point feature in an ESRI Shapefile supported by attribute identification that can be symbolized in ArcMap using the layer file Verified_Drillholes_with_Logs.lyr This dataset was generated as part of the Geological Mapping programme's 1:50k re-mapping compilation. This dataset is built on the existing Bedrock Borehole Locations dataset with numerous corrections of the entries and a compilation of previously uncaptured drill holes. Exploration drill holes were captured from the mandatory reporting requirements of exploration in Ireland. Recent holes had coordinates provided in the reports, usually in Irish Grid, allowing transposition into the database. For many holes coordinates were not provided, or were provided in a local or mining grid format. Holes of this type were accompanied by a location map, which could be georeferenced allowing coordinates to be derived. As this was developed during 1:50k mapping it only covers those areas of Ireland where this mapping and compilation were undertaken. As such, it does not yet replace the Bedrock Borehole Locations dataset. This dataset is included in the viewer with the purpose of making the pdf logs of these holes available by direct link. The pdfs will be hosted by GSI.

Coordinate System : ITM

​​​​​TypeSource
Data DownloadZip file
Map ViewerLink to viewer
Web ServicesMap Server
​​​​

Bedrock Boreholes (unverified)

We are currently working on upgrading our borehole and core store databases.  In the meantime, this database may provide useful information.  If you have remaining queries, contact brian.mcconnell@gsi.ie.  For core store queries and to request access, please see core store page.

Coordinate System: Irish National Grid / ING

​​​​​TypeSource
Data DownloadZip file
Map ViewerLink to viewer
MetadataLink to ISDE website
​Web ServicesMap Server​
​​​​

Bedrock 3D Model of Dublin

The Bedrock 3D model of Dublin is an interpretation of our 1:50,000 scale bedrock map of Dublin, using cross-sections, outcrop and borehole data. The software used was GOCAD-SKUA. More information is also available on the Land Mapping programme dedicated page.

​​​​​TypeSource
GOCAD-SKUA projectZip file
3D PDF Zip file
3D model for Geoscience AnalystZip file
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Rosguill Peninsula bedrock special sheet (scale 1:12,000)

The Land Mapping Unit teamed up with Prof. Bernard Anderson to produce a special sheet (1:12,000 scale) of his previously unpublished detailed bedrock mapping of Rosguill Peninsula, Co. Donegal.

​​​​​TypeSource
MapLink to publication page
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Bedrock Geology of Ireland (scale 1:1,000,000)

This map shows the bedrock geology of the island of Ireland, both onshore and offshore, at a scale of 1 to 1 million. It is published Geological Survey Ireland (GSI) and the Geological Survey of Northern Ireland (GSNI). The onshore geology presents the bedrock data from the OneGeology-Europe map project coloured to an Irish lithostratigraphical scheme. It is derived from the GSI 1:500,000 Bedrock Geological map of Ireland and 1:100,000 Bedrock Map Series and the GSNI 1:250,000 Geological Map of Northern Ireland. The offshore data are derived from the EMODnet project map compiled by GSI from Petroleum Affairs Division and INFOMAR  mapping and other published sources.

​​​​​TypeSource
Map Link to publication page
​​​​

Bedrock Geology of the UK and Ireland (scale 1:1,250,000)

The Land Mapping Unit collaborated with the British Geological Survey and the Geological Survey of Northern Ireland to publish a summary map for Britain and Ireland, derived from our respective national maps.  The map is intended primarily as a teaching resource and geological summary for international projects.

​​​​​TypeSource
MapLink to publication page
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