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Tellus Airborne Geophysics - Thorium

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The latest merged airborne Thorium data from the Tellus project, managed by the Geological Survey Ireland. The survey was conducted using an from a survey aircraft flying at an altitude of 59 meters.
The Thorium data is recorded at 1 Hz map in parts per million (ppm) along survey lines orientated 165 degrees and line spacing of 200m. Data is gridded using a minimum curvature algorithm. Data is diurnally and IGRF corrected and control line levelled. Different datasets grids were stitched together using the Geosoft suture method and then re-sampled to a master database. Data is recorded in Irish Transverse Mercator (ITM) and latitude and longitude. The latest merged Thorium data has been collected on a seasonal basis and quality controlled before being merged. Each seasonal survey block are available to download on an individual basis and are available at tellus.ie. The survey block names, year and area they cover is as follows: Charlestown survey block (2006 – Area surrounding Charlestown, Co Cavan, Monaghan) (Industry funded) Tellus Border survey block (2001-2013, Co Donegal, Sligo, Leitrim, Cavan, Monaghan, Louth) Tellus North Midlands survey block (2014, Parts of Co Roscommon, Longford and Westmeath) Tellus A1 survey block (2015, covering parts of Co Meath, Kildare, Offaly rural Dublin and parts of Laois, Wicklow) Tellus A2 block (2016, Co Galway. Including parts of Mayo, Tipperary and Offaly) Tellus Waterford survey block (2016,Eastern Waterford, parts of southern Tipperary, Kilkenny and western Wexford) Tellus A3 block (2017, Co Mayo, including parts of Galway) Tellus A4 block (2017, Co Donegal) Also available: Mine site airborne surveys (2006, Charlestown block, Silvermines (Co Tipperary) and Castleisland(Co Kerry)) this data was reprocessed and technical report available in 2016.Hunting Geology and Geophysics Ltd, low resolution Magnetic Intensity survey (1979-1981, across central Ireland).

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Data Resource Preview - ESRI REST

Theme Science
Date updated 2019-05-14
Dataset conforms to these standards The INSPIRE Directive or INSPIRE lays down a general framework for a Spatial Data Infrastructure (SDI) for the purposes of European Community environmental policies and policies or activities which may have an impact on the environment.
Rights notes {"\"Creative Commons Attribution 4.0 International (CC BY 4.0) licence conditions apply. Users are free to: SHARE (copy and redistribute the material in any medium or format) and ADAPT (remix, transform, and build upon the material for any purpose, even commercially). Under the following terms: ATTRIBUTION (Users must give appropriate credit, provide a link to the license, and indicate if changes were made. Users may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.) Please use this specific attribution statement: \"\"Contains Irish Public Sector Data (Geological Survey Ireland) licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence\"\" NO ADDITIONAL RESTRICTIONS (Users may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.) \"",license,"\"Creative Commons Attribution 4.0 International (CC BY 4.0) licence conditions apply. Users are free to: SHARE (copy and redistribute the material in any medium or format) and ADAPT (remix, transform, and build upon the material for any purpose, even commercially). Under the following terms: ATTRIBUTION (Users must give appropriate credit, provide a link to the license, and indicate if changes were made. Users may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.) Please use this specific attribution statement: \"\"Contains Irish Public Sector Data (Geological Survey Ireland) licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence\"\" NO ADDITIONAL RESTRICTIONS (Users may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.) \"",license}
Update frequency Other
Language English
Geographic coverage in GeoJSON format {"type":"Polygon","coordinates":[[[-10.47472, 51.44555],[-10.47472, 55.37999], [-6.01306, 55.37999], [-6.01306, 51.44555], [-10.47472, 51.44555]]]}
Spatial Reference Systems (SRS) Irish Transverse Mercator (ITM, EPSG:2157)
Vertical Extent {"maxVerticalExtent": "0", "verticalDomainName": "sea level", "minVerticalExtent": "0"}
Provenance information Data quality control reports available in the publications section of the Geological Survey Ireland Website.
Period of time covered (begin) 2006-01-01
Period of time covered (end) 2017-01-31

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