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| Keywords: The Quarterly journal of the Geological Society of London (12471127123).jpg PROCEEDINGS OF THE GEOLOGICAL SOCIETY <br> Nov 9 <br> In the Blue MotiRtain dis- <br> trict where the hills rise to <br> about 7350 feet and present a <br> most broken surface the strata <br> are so excessively disturbed sc <br> traversed and scmi-metamor- <br> phosed by dj-kes of syenite <br> and mixed up with porphyritic <br> masses that it is impossible to <br> resolve the intricacies of the <br> stratification or to determine <br> the sequence of the beds inter <br> se without a lengthened and <br> detailed investigation But in <br> the parish of Clarendon it is <br> manifest that igneous rocks <br> presenting many interesting <br> phases but all appertaining to <br> the porphyritic type form the <br> hase of the stratified series On <br> such rocks the Cretaceous beds <br> are deposited and are often <br> found raised to an angle of <br> from 40° to 50° The lowest <br> member of the Cretaceous <br> series frequently consists of a <br> thin bed of conglomerate <br> formed of the harder materials <br> of the orphyries It is suc- <br> ceeded by massive compact <br> limestones enclosing fossils of <br> the Ilippurite family Bar- <br> rettia monilifera Woodw so <br> solidly imbedded as to prohibit <br> simple extraction The lime- <br> stones are succeeded by marls <br> and calcareous sandstones <br> from which most of the Hippu- <br> rites Corals Orbitoides Acteo- <br> nellce c have been obtained <br> The Hippurites are the only <br> abundant organic remains It <br> is uncertain whether these <br> strata should form a single <br> series or be divided into an <br> inferior and superior group <br> Their combined thickness may <br> amount to 500 or 800 feet <br> Extensive disturbances have <br> ulmost invariably broken up <br> S <br> Cj <br> bh <br> Trout Hall - <br> Croolced River <br> EiTer Miiilio <br> 'Ck <br> « oo <br> St Thomas Kiver <br> Mount Hindmost <br> – io'A/ <br> S <br> '4 s <br> 2 <br> P- 6C_S <br> tD O S <br> the Cretaceous beds previous to the 34891650 108495 51125 Page 4 Text v 21 http //www biodiversitylibrary org/page/34891650 1865 Geological Society of London NameFound Hippurites NameConfirmed Hippurites EOLID 4773611 NameBankID 4195877 NameFound Orbitoides NameConfirmed Orbitoides EOLID 6818930 NameBankID 3399201 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 21 1865 Geology Periodicals Smithsonian Libraries bhl page 34891650 dc identifier http //biodiversitylibrary org/page/34891650 smithsonian libraries Information field Flickr posted date ISOdate 2014-02-12 Check categories 2015 August 27 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12471127123 2015-08-27 09 59 51 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1865 Photos uploaded from Flickr by Fæ using a script | ||||
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