Erratic (Hämeenkangas, Other areas)

Erratics are boulders that have been separated from the bedrock by the continental glacier and transported to their current location by the glacial flow. When inside the glacier, the boulders are roated and mangled, and their surface is smoothed. One can estimate the travel distance of an erratic by its surface: rough surface points to a short transport, smooth surfaces to a long one. How far might this erratic have come from? 

Nearby attractions: Hämeenkangas, Hämeenkankaan dyynikenttä, Isokeidas mire, Geo-orienteering track of Jämi, History of the airfield of Jämi, The cooking shelter of Koivistonvati, The Koivistonvati kettle hole, The Kuninkaanlähde spring, The little stream starting from the Kuninkaanlähde spring, The Kylmänmyllynlähde spring, Augmented reality sandbox, At the shore of an ancient island, Niiniharju, Border stone, Ruskalaavu or "The Fall Colour Lean-to shelter", The Soininharju esker, The Southern slope of Soininharju, Sand field on Soininharju, Changing landscape of Soininharju, The viewing tower at Soininharju, The formation of a kettle hole, The Uhrilähde spring, Viheräperänkeidas mire

Coordinates (WGS84): 61.77644, 22.72713

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