MAKE A MEME View Large Image The Quarterly journal of the Geological Society of London (13204861403).jpg of it in the papers hitherto <br> published ; but it completes the demonstration that the rock which <br> can be traced from St David's to the coast south of ...
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Keywords: The Quarterly journal of the Geological Society of London (13204861403).jpg of it in the papers hitherto <br> published ; but it completes the demonstration that the rock which <br> can be traced from St David's to the coast south of Porth-lisky is <br> an eruptive mass that has been intruded into the Cambrian strata <br> The quartz conglomerate here altered by the granite is unquestion- <br> ably the same band which can be traced along the coast for fully <br> two miles eastward and the greenish and reddish tuffaceous shales <br> are recognizably those that everywhere accompany the conglomerate <br> On the opposite side of this portion of the granite ridge the <br> eruptive mass comes into contact with the stratified rocks in the Bay <br> of Porth-lisky Unfortunately however the actual junction is <br> obscured on the cliffs by the decomposition of the schists that abut <br> on the granite and on the beach by the quantity of fallen blocks <br> The condition of the beach doubtless varies from time to time ; <br> but neither on the occasion of my first visit last September nor on <br> the second examination five months later could I trace the actual <br> contact of the two kinds of rock though I followed them to within <br> a few feet of each other The schists are in some bands much <br> indurated passing into a kind of quartzite or quartz schist The <br> crystalline rock of the ridge as exposed along the cliff presents <br> There may have been a sliif t at the line of junction here 36928877 113681 51125 Page 278 Text 39 http //www biodiversitylibrary org/page/36928877 1883 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 39 1883 Geology Periodicals Smithsonian Libraries bhl page 36928877 dc identifier http //biodiversitylibrary org/page/36928877 smithsonian libraries Information field Flickr posted date ISOdate 2014-03-16 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13204861403 2015-08-26 13 55 55 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1883 Photos uploaded from Flickr by Fæ using a script
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