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| Keywords: The Quarterly journal of the Geological Society of London (14072661561).jpg 526 H HICKS o s the pee-cajlbrian <br> In the plan of the coast to the south of N'un's Chapel fig 3 the <br> Fig 3 ” Plan of Coast south of Nun s CfJiapel <br> Ifuns Chapel <br> Chanters Seat <br> 5 Green and purple flags c Flutonia c <br> 4 Purple grits and sandstones <br> 3 Ked shales Lingulella primceva <br> 2 Greenish sandstones <br> i 1 Basal conglomerate <br> B Pebidian <br> A Dimetian <br> 4- Diabase dykes and sheets <br> X Intrusive Felstone <br> F Faults <br> manner in which the Cambrian conglomerates overiap different beds <br> of the Pebidian is shown The conglomerates in the cliff-section <br> fig 2 can only be properly examined by boat ; but on the top of the <br> cliff and in the first field to the east they are well exposed and may <br> be readily explored In a westerly direction they occur in well- <br> marked detached masses forming the seaward fringe to the bathing- <br> place directly below Xun's Chapel Many of the pebbles are of <br> large size and the basal beds can be seen here again creeping over the <br> edges of the Pebidian beds In the little creek to the S S AV of <br> Nun's Chapel the conglomerates are thrown back for a considerable <br> distance as shown on the plan by a fault; but this fault again does <br> not prevent the unconformable position of the conglomerates on the <br> underlying beds being readily made out at the point to which both <br> have been thrown back together The Pebidian rocks have been <br> ver ' freely penetrated by dykes of porphyritic quartz-felsites and of <br> diabase in this creek as also between this point and the creek in <br> which the section fig 2 occurs These porphyries were described <br> in my former papers and are also fully referred to by Dr Geikie <br> The Pebidian beds in this area are mainly porcellanites and breccias <br> chiefly acid breccias though in the S S W creek referred to above <br> and in the adjoining one to the east basic breccias also are found <br> The milk-white flint-like masses adinole described by Dr <br> Geikie at p 310 and found so plentifully in the breccias are not in <br> our opinion concretions or aggregations the result of metamorphism <br> as claimed by him but actual fragments of older rocks These are <br> described by Mr Davies in Notes 17 18 36941359 113697 51125 Page 526 Text 40 http //www biodiversitylibrary org/page/36941359 1884 Geological Society of London NameFound Lingulella NameConfirmed Lingulella NameBankID 4221533 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 40 1884 Geology Periodicals Smithsonian Libraries bhl page 36941359 dc identifier http //biodiversitylibrary org/page/36941359 smithsonian libraries Information field Flickr posted date ISOdate 2014-04-30 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/14072661561 2015-08-26 05 54 08 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1884 Photos uploaded from Flickr by Fæ using a script | ||||
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