Tour Scotland photograph of Stacan Dubha Beinn Mheadhoin mountain on ancestry visit to the inner part of the Cairngorms Highlands of Scotland. The Cairngorms were formed 40 million years before the last ice age, when slight uplift raised an eroded peneplain based on an exposed granite pluton. The highest present-day peaks represent eroded monadnock hills. During the ice ages the ice caps that covered most of northern Scotland remained static, frozen to the ground for long periods and actually protected the rounded summits and valleys and deep weathered granite of the mountains of the area. Glacial erosion is represented in deep valleys which dissect the area. Many valleys are littered with glacial deposits from the period of glacial retreat.
All photographs are copyright of Sandy Stevenson, Tour Scotland, and may not be used without permission.
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