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| Keywords: The Quarterly journal of the Geological Society of London (13860422694).jpg PROF C LAPWORTH ON THE GIRVAN SUCCESSION <br> 615 <br> interpreted ascending succession is displayed in the heights of <br> Quarrel Hill Mulloch Hill and Glenshalloch <br> a Sections of the Inner Zones of Strata of the Quarrel-Hill Anticlinal <br> i Barren Flagstone-series of Farden and Quarrel Hill <br> In the centre of this dome-like area and consequently occupying <br> the lowest horizon in the vertical succession of its rock-formations <br> we find a series of barren flagstones and shales identical both in their <br> petrological characters and in the few organic remains they yield <br> with our Barren or Shalloch Flagstones of Shalloch and Penwhapple <br> thus presenting at the very commencement of our study of the rocks <br> of this area a clear and definite horizon of reference for the surround- <br> ing and concentric zones of strata of which this northern inlier of <br> Lower Palaeozoic rocks is composed <br> These flagstones occupy an ellipsoidal area about a mile in length <br> ranging from the loop-fault which bounds the igneous rocks of <br> Craighead Hill through the wooded grounds of Balweary into the <br> grassy slopes of Quarrel Hill Over much of the area they occupy <br> they are hidden from sight by superficial deposits; but excellent <br> sections are laid bare in the burns which descend the ridge in the <br> direction of Craighead fault near Kildrummie The most satisfac- <br> tory of these exposures is that seen on the banks of the small stream <br> to the west of Quarrel Hill where the section figured below is dis- <br> played from end to end fig 20 <br> Fig 20 Section of the Barren Flagstone Beds of Quarrel Hill <br> S E <br> Brachiopoda Mcristella angustifroiu <br> t ' i <br> LOC/i H/Ll <br> J3n x -s <br> x Carboniferous rocks not exposed <br> Ca Mullock-Hill Beds <br> 2 Calcareous flagstones with <br> Atrypa seotica c <br> 1 Mulloch-Hill conglomerate <br> Bd Drummuck or Trinacleus-be s <br> Thin flags and shattered niudstones with Bellerophon bilobatus c <br> Be Barren Flagstones <br> 4 Grrey flagstones and shales weathering buff or yellow <br> 3 Green shales and mudstones <br> 2 Alternations of thin-bedded green flags and mudstones <br> 1 Thin-bedded flaggy beds with partings of green and grey mudstones- <br> Nematolites Grayii and Diplograptus truncatus <br> ff Faults 36936444 113692 51125 Page 615 Text 38 http //www biodiversitylibrary org/page/36936444 1882 Geological Society of London NameFound Atrypa NameConfirmed Atrypa NameBankID 4083726 NameFound Bellerophon bilobatus NameConfirmed Bellerophon bilobatus NameBankID 6627744 NameFound Brachiopoda NameConfirmed Brachiopoda EOLID 1498 NameBankID 230460 NameFound Diplograptus truncatus NameConfirmed Diplograptus truncatus NameFound Nematolites NameConfirmed Nematolites NameBankID 4928149 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 38 1882 Geology Periodicals Smithsonian Libraries bhl page 36936444 dc identifier http //biodiversitylibrary org/page/36936444 smithsonian libraries Information field Flickr posted date ISOdate 2014-04-15 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13860422694 2015-08-26 07 56 28 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1882 Photos uploaded from Flickr by FĂŚ using a script | ||||
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