Geological Survey Ireland Programmes & Projects How and Where We Work How We Do It

How We Do It

Tellus geochemical sampling


From selecting a stream sample site, to collecting, preparing, handling, analysing and checking samples.

Videos (redirect to Tellus programme)

Groundwater dye tracing


​Water tracing is a special method of investigation, usually used in karst aquifers. It is used to reveal information about underground connections, groundwater velocities, flow directions and aquifer properties.

Water tracing