Tellus Border Project update

This summer, the Geological Survey of Ireland will be embarking on Tellus North Midlands, a geo-environmental mapping project across counties Roscommon, Longford, Westmeath and adjacent parts of Mayo, Galway, Offaly, Kildare and Meath (see map below). The project will consist of an airborne geophysical survey and a ground-based geochemical soil survey. The project follows on from Tellus Border, which successfully completed in December 2013 following mapping of the border region including Co. Leitrim.  The results from Tellus Border are available, free of charge, at

There are two main components to the new survey.

  • An airborne survey – a geophysical survey which will involve a low-flying aircraft that will collect data on soil, rocks and water; and
  • A ground survey – a geochemical survey involving the collection of soil samples by hand across the county from one location approximately every 4 km2.

New surveying will not be carried out in Co. Leitrim, however the low-flying survey aircraft may be visible during turning operations in the Carrick-on-Shannon to Dromod area, in September or October.

The resulting data will contribute to the sustainable management of natural resources, and assist with environmental management.

To inform landowners in the area of the low-flying airborne survey, and our presence on the ground, we will be embarking on a comprehensive communications campaign so that people across the county will be aware of the project. This will include press notices, local radio interviews, information flyers and writing letters to owners of sensitive animals. A freephone information line (1800 303 516) and new website ( will be available to enquirers on the project.

Tellus_North_Midlands_FAQs.pdf (size 441.3 KB)

Tellus_North_Midlands_Flyer.pdf (size 3 MB)



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