Keywords: The Quarterly journal of the Geological Society of London (13937107491).jpg ˘ A fine fluidal structure in a porphyritic rock is well <br> The Geology of tfortk Wales pp 218 221 36940043 113696 51125 Page 248 Text 45 http //www biodiversitylibrary org/page/36940043 1889 Geological Society of London NameFound Orthis NameConfirmed Orthis EOLID 4333134 NameBankID 4270859 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 45 1889 Geology Periodicals Smithsonian Libraries bhl page 36940043 dc identifier http //biodiversitylibrary org/page/36940043 smithsonian libraries Information field Flickr posted date ISOdate 2014-04-21 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13937107491 2015-08-26 05 54 34 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1889 Photos uploaded from Flickr by Fæ using a script |