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Description: | A large fragment of granite which measures (113mm x 98mm x 43mm). The specimen has coarse black mica crystals up to 2mm x 2mm in size. The individual crystals are angular in shape. A lot of grey quartz makes up the specimen. White feldspar also forms a considerable proportion of this specimen. A fracture runs through the centre of the specimen. The one edge of the specimen displays some weathering and is brown in colour. The specimen was collected from McMoab, Galloway Forest Park, Dumfries and Galloway, Scotland (grid ref NX 488 713) and is Silurian to Devonian in age. Specimen collected on 12/04/2010. AR/CB
A large fragment of granite from Dumfries and Galloway, Scotland which is approximately 416 million years old | License: | http://creativecommons.org/licenses/by/2.0/uk/ | Publisher: | Dudley Museums Service | Rights holder: | Dudley Museums Service | Subjects: | Geology | Temporal: | Silurian - Upper - Devonian - Lower | Source: | Black Country History | Identifier: | http://www.blackcountryhistory.org/colle... | Go to resource |
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