The Tellus Project is the most concentrated geological mapping project ever undertaken in Northern Ireland.

Tellus project

The project, managed by Geological Survey of Northern Ireland (GSNI), has produced new geochemical and geophysical maps and digital data sets that will extend and deepen our knowledge of the geology, soils, surface water, natural resources and environment of Northern Ireland.

These results will interest everyone concerned with the strategic management of the environment and natural resources in Northern Ireland, including:

  • planners, regulators, policy makers
  • central and local government officers
  • earth, environmental scientists and managers
  • environmental health officers
  • agricultural industry
  • extractive and energy industries

The data was collected over the whole land surface of Northern Ireland between 2004 and 2006. The data now available also includes geochemical data from streams in western Northern Ireland collected between 1994 and 1996.

Data will be released under a simple licensing scheme. Annual licence fees, which are a small fraction of the cost of data acquisition and processing, will apply. Licensing fees may be waived for research organisations and universities presenting a proposal for research that serves the aims of the project.

Before applying, you are invited to visit GSNI to view the data available and discuss their application with our specialists.


Tellus Project Manager                               
Geological Survey of Northern Ireland
Room 4
Dundonald House
Upper Newtownards Road

Telephone 028 9038 8462

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