contact us

22 Victoria Road
Derry~Londonderry
Northern Ireland
BT47 2AB

Tel: +44 (0) 28 7134 2100
Email: general@loughs-agency.org

Dundalk Street,
Carlingford,
Co Louth,
Rep. of Ireland

Tel: +353 (0) 42 938 3888
Email: carlingford@loughs-agency.org

what are you searching for?

Geotourism

Granites of Donegal and the Mournes; dykes and sills of Inishowen, Cooley and Mourne; veins of quartz; basalt flows of Binevenagh; folded and faulted series of Inishowen; quartzite of Inishowen; schists of Sperrin Mountains; Oldest rocks in Ireland on Inishtrahull; raised beaches; rejuvenated rivers; glacial meltwater channels; solifluction terraces; ice diverted rivers…

There is a rich tapestry of geological rocks and features across the Foyle and Carlingford areas. The main features are listed below, giving but a flavour of what there is to discover.

Malin Head

Rock series

Igneous intrusive – granites of Donegal mountains and the Mournes; dykes and sills of Inishowen, Cooley and Mourne; veins of quartz.

Igneous extrusive – basalt flows of Binevenagh.

Metamorphic – intensely folded and faulted series of Inishowen; quartzite of Inishowen; schists of Sperrin Mountains; metamorphic rocks of Cooley.

Sedimentary series – range of sedimentary series.

Oldest rocks in Ireland – gneiss of Inishtrahull.

Physical features

Raised beaches along Inishowen and County Londonderry coastline.

Rejuvenated rivers – River Strule near Omagh is a particularly good example.

Glacial meltwater channels – large number in ridges of Sperrins.

Solifluction terraces.

Ice diverted rivers – Foyle once flowed into the Swilly, the Dennet into the Faughan.