The Gare Loch Re-advance Moraine

Abstract

Detailed drift mapping near the Gare Loch, Dumbartonshire, has confirmed that the loch was formerly occupied by a late valley glacier marking a re-advance contemporaneous with re-advances in the Loch Lomond and Upper Forth Valleys. The moraine of the Gare Loch glacier, which has been traced for some miles on both sides of the loch, locally rests on clays of the “ 100-ft.” sea and is overlain by “ 25-ft.” beach gravels.