You are browsing the archive for 22 August 2016 - Mountain Beltway.
22 August 2016
Northwest Highlands unconformities (2 of 3): Sub-Torridonian Group
Let’s now profile the next unconformity in the sequence of pulses of erosion and deposition recorded in the North-West Highlands of Scotland. For a reminder, here’s a cartoon cross-section through the four relevant units: Today, we’ll look at the contact between the Lewisian Gneiss and the Torridonian Group (Diabeg Formation), marked with a “2” on the cartoon above, where it is exposed along the shore of Loch Assynt. There are …