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High Force waterfall, Teesdale
19095
331
England - Northumbria and Durham
High Force waterfall, where the River Tees falls over the Whin Sill, a dolerite sill intruded into the country rock of limestone and sandstone during Permo-Carboniferous times, about 295 million years ago.
16 June 2024
High Force waterfall, Teesdale
19094
331
England - Northumbria and Durham
High Force waterfall, where the River Tees falls over the Whin Sill, a dolerite sill intruded into the country rock of limestone and sandstone during Permo-Carboniferous times, about 295 million years ago.
16 June 2024
High Force waterfall, Teesdale
19093
331
England - Northumbria and Durham
High Force waterfall, where the River Tees falls over the Whin Sill, a dolerite sill intruded into the country rock of limestone and sandstone during Permo-Carboniferous times, about 295 million years ago.
16 June 2024
High Force waterfall, Teesdale
19092
331
England - Northumbria and Durham
High Force waterfall, where the River Tees falls over the Whin Sill, a dolerite sill intruded into the country rock of limestone and sandstone during Permo-Carboniferous times, about 295 million years ago.
16 June 2024
Low Force waterfall and the Whin Sill, Teesdale
19075
331
England - Northumbria and Durham
The Whin Sill, a dolerite sill sandwiched between sedimentary strata, at Low Force, Teesdale. The Whin Sill was formed near the Permian / Carboniferous boundary about 295 million years ago. The joints in the dolerite can be clearly seen.
07 May 2024
Low Force waterfall and the Whin Sill, Teesdale
19074
331
England - Northumbria and Durham
The Low Force waterfall in Teesdale falls over the Whin Sill, a dolerite sill sandwiched between sedimentary strata. The joints in the dolerite can be clearly seen. The Whin Sill was formed near the Permian / Carboniferous boundary about 295 million years ago.
07 May 2024
Low Force waterfall and the Whin Sill, Teesdale
19073
331
England - Northumbria and Durham
The Low Force waterfall in Teesdale falls over the Whin Sill, a dolerite sill sandwiched between sedimentary strata. The joints in the dolerite can be clearly seen. The Whin Sill was formed near the Permian / Carboniferous boundary about 295 million years ago.
07 May 2024
Geo, Brough of Birsay, Orkney
10578
191
Orkney - Birsay
A narrow parallel-sided cliff inlet, known as a geo, Brough of Birsay, Orkney. It looks like a dyke has been intruded into the Old Red Sandstone country rock, forming a weakness which has been exploited by the erosive power of the sea. You can see the thermally metamorphosed sediments on both sides of the dyke, with joints parallel to the dyke and at right angles to the country rock. In the foreground is a boulder beach thrown up by storms. The large scale of this feature can be seen by the people in the top right of the picture.
17 May 2014
Dykes in the cliffs near Cathedral Cave, Eigg
10303
227
Eigg - Galmisdale and the Sgurr
Dykes in the cliffs near Cathedral Cave, Eigg
29 August 2016
Blue sky over Tinto, South Lanarkshire
07741
211
South Lanarkshire
Blue sky over Tinto, South Lanarkshire, famous for its red Felsite rock, with which many roads in Lanarkshire are surfaced, and its periglacial stone stripes.
