Monday, 11 May 2009

Dartmoor Study Tour: Hay Tor and Hay Tor Quarry

From top to bottom: Hay Tor; Hay Tor detail; Megacrystic Granite (Hay Tor); round-leaved sundew (Drosera rotundifolio); Black sedge (Carex nigra); Hay Tor quarry; fine-grained granite cut using "feather and tear" method circa 1800 - 1820; fine-grained granite cut using "wedge and groove" method which died out circa 1800; heath milkwort (Polygala vulgaris); toad (Bufo bufo) spawn; horse leach (Haemopis sanguisuga); Orthoclase fieldspar (Hay Tor quarry).

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