GeoIndex
Data and maps
The GSNI GeoIndex is an online mapping portal that displays GSNI data alongside Ordnance Survey of Northern Ireland topographic mapping and aerial photos. The GSNI GeoIndex provides a number of themes where GSNI data has been grouped and can be viewed alongside our 1:250 000 and 1:10 000 geological mapping.
The Geoindex allows you to:
- view and query datasets
- export PDF reports
- enquire about data you have discovered
Enquiries
- Boreholes
- Site investigation reports
- Glovers site investigation reports
- Mine shafts and adits
- Mine abandonment plans
- An index to published geological maps
Hydrogeology
- Hydrogeology reports (index)
- Groundwater data repository (index)
- Karst features
- Karst tracer lines
- Bedrock aquifers
- Superficial deposit aquifers
Geochemistry
- Soil sample locations
- Water and sediment sample locations
- Soil geochemistry maps
- Sediment geochemistry maps
- Water geochemistry maps
Geophysics
- Tellus magnetic maps
- Tellus electromagnetic maps
- Tellus radiometric maps
- Historical geophysical surveys
- Gravity survey locations
Minerals
- Active quarries
- Mineral occurrences
- Mineral resources
- Mineral and hydrocarbon licensing