Hay Tor; Megacrystic granite; Orthoclaise fieldspar; atop Hay Tor
Showing posts with label Hay Tor. Show all posts
Showing posts with label Hay Tor. Show all posts
Friday, 29 April 2011
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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