The Highlands controversy was a scientific controversy which started between British geologists in the middle of the nineteenth century concerning the nature of the rock strata in the Northwest Highla
Suilven, Northwest Highlands – Torridonian sandstone standing on a base of Lewisian gneiss
Lewisian gneiss at Assynt
Quartzite summit over sandstone on Beinn Eighe, Torridon
Pipe rock from Assynt
Knockan Crag
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Knockan Crag lies within the North West Highlands Geopark in the Assynt region of Scotland 21 kilometres north of Ullapool. During the nineteenth century Knockan Crag became the subject of much debate
Highlands controversy of Northwest Scotland
…Supergroup were thrust a distance of some 100 km (60 miles) over the strata at the northwest coast. There is a particularly good exposure of the strata at Knockan Crag, now the site of the Knockan Crag National Nature Reserve, within the North West Highlands Geopark. On the centenary of the publication of The Geological…
The Moine Thrust at Knockan Crag
Knockan Crag visitor centre
Cotton grass at Knockan Crag
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