a: Geological zone in western Japan. The blue-green part is the Sanbagawa belt that crosses mainland Japan. The Nishisonogi metamorphic rock was thought to belong to the same geological formation as ...
In this three-part series, Pete Reynolds AKA 'The Lakeland Rock Doctor' takes us on a tour of the varied and interesting rocks of the British Isles upon which we love (or occasionally hate) to climb..