Political border between Northern Ireland and Republic of Ireland runs from Carlingford Lough to Lough Foyle, but there's another border. At Clougherhead in County Louth, evidence of a collision of continents is seen in the rock formations.
- This clip is from:
- First broadcast:
- 31 March 2008
Use this clip as a starter activity for a lesson on plate tectonics. Following this, pupils could look at the past and current position of plate boundaries and explain how the plates have shifted to their current positions.