MAKE A MEME View Large Image The Quarterly journal of the Geological Society of London (12893440423).jpg Vol 53- <br> THE SUMMIT OF THE ET7RKA PASS <br> 17 <br> Jurassic limestones Thus I believe that the opinion expressed in <br> my former paper as to a recurrence of ...
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Keywords: The Quarterly journal of the Geological Society of London (12893440423).jpg Vol 53- <br> THE SUMMIT OF THE ET7RKA PASS <br> 17 <br> Jurassic limestones Thus I believe that the opinion expressed in <br> my former paper as to a recurrence of the marble is correct <br> I was not however able to trace this second mass farther west <br> The very rough diagram appended fig 1 a reproduction of one <br> 1 Jurassic <br> 2 Probably crushed marble <br> 3 Small patch probably crushed <br> marble <br> Quite typical Jurassic 12 to <br> 15 feet exposed <br> Marble end of crag by road <br> Road <br> Intervening spaces mostly turf-covered Bock if any visible Jurassic <br> -drawn in my note-book to indicate the general relation of the rocks <br> on the western side of the top of the pass may make the matter <br> clearer than copies of more detailed sections Next comes more <br> limestone grey or dark blue in colour in one place having some <br> sandy bands in another becoming clayey The details however <br> are without interest and the rock is undoubtedly Jurassic Lastly <br> we found a pale-grey porphyritic gneissoid rock with indications <br> of having been crushed ; not improbably a modified granite It <br> belongs however to the crystalline series of this part of the Alps <br> and is much older than the Jurassic period So far as one can <br> judge the succession which we observe close to the top of the pass 1 <br> continues towards the west except that the upper bed of marble seems <br> to disappear The lower and larger mass is masked after passing <br> beneath the road by turf and talus and so far as I could see does <br> not reappear It is not indicated on the maps and I think no <br> conspicuous outcrop occurs on the slopes of the glen west of the <br> pass 2 The dip of the above-mentioned rocks is variable in amount <br> and in direction but something like 45° for the one and W N W <br> for the other may serve as a rough approximation The marble at <br> the top of the pass was more steeply inclined having a dip nearer <br> 70° ; this so far as I remember was however rather exceptionally <br> high <br> 1 Op cit p 295 cf fig 3 <br> 2 The slopes are steep and grassy and exposures of rock mostly small I <br> found at one place about 1400 feet above the Ehone Glacier Hotel a very small <br> outcrop which might possibly represent the marble in a greatly crushed condition <br> But in this part I have not attempted to make a minute examination <br> Q J G S No 209 c 36028722 111130 51125 Page 17 Text 53 http //www biodiversitylibrary org/page/36028722 1897 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 53 1897 Geology Periodicals Smithsonian Libraries bhl page 36028722 dc identifier http //biodiversitylibrary org/page/36028722 smithsonian libraries Information field Flickr posted date ISOdate 2014-03-03 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12893440423 2015-08-26 17 52 50 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1897 Photos uploaded from Flickr by Fæ using a script
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