Keywords: The Quarterly journal of the Geological Society of London (12512988683).jpg <br> This is a felsite or trachyte and consists of a fine granular <br> Fig 16 Plan of a portion of the Gape Mining-district showing a <br> dyke of Felsite traversing Metamorphic Schists <br> Post Pliocene <br> Alluvial Upper <br> Gold Deposit <br> Desert Sand- <br> stone <br> m <br> Metamorphic <br> Mica and <br> Hornblende <br> felspathic base in which there are scattered groups of minute green <br> grains and crystals of hornblende 34985318 108770 51125 Page 305 Text v 28 http //www biodiversitylibrary org/page/34985318 1872 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 28 1872 Geology Periodicals Smithsonian Libraries bhl page 34985318 dc identifier http //biodiversitylibrary org/page/34985318 smithsonian libraries Information field Flickr posted date ISOdate 2014-02-14 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12512988683 2015-08-27 09 59 18 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1872 Photos uploaded from Flickr by FĂŚ using a script |