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Bedrock outcrop polygons have been derived from digitising outcrop locations from scanned 19th Century GSI field maps. The data was derived from mapping at a scale of 1:10,560 (6 inches to one mile). Individual map sheets were geo-referenced to an index polygon and checked...
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Physiographic maps are cartographic representations of the broad-scale physical landscape units of a region, and physiographic units consist of physical regions showing internal uniformity with respect to one or more environmental attributes, which are clearly differentiated...
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This data represents the latest version of the bedrock geological dataset for the Rep of Ireland at the 1:100,000 scale digital geological map series. The dataset comprises 4 key feature-classes. 1) Bedrock Rock Units 1:100k - A polygon shapefile that contains bedrock...
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Water tracing involves tagging water to see where it goes. The time the tracers take to get from one point to the other is also usually recorded. It is most commonly used in karst environments to ascertain groundwater flow rates, directions and catchment definitions (Zone of...
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Landslide susceptibility mapping using GIS mapping to map areas prone to landslides. Adopting a test methodology for systematic landslide susceptibility mapping for the whole of Ireland.
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The National Karst Database consists of point features, locating the centre (or in the case of a cave, the entrance) of karst landforms grouped into 8 types and records details of the landforms dimensions and functioning.Karst is a term used world-wide to describe the...
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Data on the offshore volcanic geologic ridges near Ireland in the West European Basin. A ridge is a geological feature consisting of a chain of mountains or hills that form a continuous elevated crest for some distance. Ridges are usually termed hills or mountains as well,...
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Offshore volcanic geologic faults in the North Atlantic Ocean.
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This dataset contains a complete coverage for all mapped and digitised Subglacial Lineation features for the island of Ireland. The map forms part of the GSI Quaternary Map series. Data recorded includes the locations of crags and tails, drumlins, mega scale glacial lineation...
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This dataset contains a GIS vector polygons of 44 3D seismic survey areas underaken in seas around Ireland. Data includes contractor, line, survey Id, company, vessel, survey area name, project code and prefix details. The data has been collected in seas around Ireland...
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Data on the offshore geologic igneous features in the North Atlantic Ocean near Ireland. Igneous rock (derived from the Latin word ignis meaning fire) is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the cooling...
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This dataset comprises sand and gravel aquifers. Sand and gravel aquifers may be locally important (Lg) or regionally important (Rg). Rg - A sand/gravel aquifer is classed as regionally important if it can supply regionally important abstractions (e.g. large public water...
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This dataset contains a coverage for important mapped and digitised limits of glacial erratic carriages across Ireland. The map forms part of the GSI Quaternary Map series. The Erratic Carriage Sink is an arc feature class made up of Erratic limit and Inferred Erratic Path...
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Groundwater wells and springs. This database contains records of boreholes, dug wells, springs, and site investigations. Data are derived from GSI drilling, fieldwork and surveys, Local Authorities and other state bodies, Private Well Grants, Drillers, Consultants, Group...
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Physiographic maps are cartographic representations of the broad-scale physical landscape units of a region, and physiographic units consist of physical regions showing internal uniformity with respect to one or more environmental attributes, which are clearly differentiated...
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Following two major landslide incidences in Ireland in 2003 in Galway and Mayo the Geological Survey Ireland established the Irish Landslides Working Group (ILWG) in 2004. It was felt important that it should be a multi-disciplinary team, bringing together various types of...
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The Geoheritage Programme is overseeing a project to audit all sites of geological heritage importance in Ireland. Audits take place in partnership with the Local Authority and the Heritage Council of Ireland. Twenty counties, including the four local authority areas of...