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| Keywords: The Quarterly journal of the Geological Society of London (13365526403).jpg 352 PROCEEDINGS OF THE GEOLOGICAL SOCIETY March 13 <br> Cobequid Bay <br> I <br> CO <br> 5 <br> 111 <br> a§ <br> 5S <br> 1 <br> CO u <br> point to which we have already traced its southern boundary it forms <br> a broad and irregular tract of metamorphic country Westward of <br> this tract it is again subdivided ; one branch extending near the <br> margin of the granitic group on the south side of the Stewiacke Riyer <br> as far as the Shubenacadie River ; another <br> extending for a short distance between the <br> Stewiacke and Salmon rivers ; and a third <br> or rather a group of detached masses ex- <br> tending through Mount Thom to the eastern <br> extremity of the Cobequid range of hills <br> In the hilly country connected with Moimt <br> Thom and in the vicinity of the upper <br> parts of the Salmon West and Middle <br> rivers considerable breadths of lower carbo- <br> niferous strata' have been partially meta- <br> morphosed and invaded by greenstone and <br> other igneous rocks A mass of granite con- <br> taining dark grey felspar abundance of black <br> mica and very little quartz occurs on the <br> east side of Mount Thom <br> The Cobequid hiUs extending nearly in <br> an east and west direction for about ninety <br> miles in that part of Nova Scotia h ing north <br> of the southern ami of the Bay of Fundy <br> must be referred to the metamorphic group <br> now under consideration Both its strati- <br> fied and hypogene rocks are similar to those <br> of the parts of the syenitic group already <br> described Fossils are absent or veiy rare <br> in those parts of it which I have explored <br> I have found only a few fish-scales and <br> fragments of a Productus or Orthis in cal- <br> careous bands associated with black slate <br> and brown quaitzite near its eastern extre- <br> mity As the boundaries and general cha- <br> I g racters of the Cobequid range have long <br> since been described by Dr Gesner and <br> others and as I have in a former paper f <br> noticed the structm-e of its eastern part I <br> shall at present confine myself to a descrip- <br> tion of the section of its central portion <br> afforded by the Great Tillage Folly and <br> Wallace rivers and the roads in their vici- <br> nity See Section fig 3 <br> On the northern side of the hills near the post road from Truro <br> - £ c <br> li <br> II <br> Northumberland Strait <br> In the map attached to my paper on the Newer Coal Formation Quart Journ <br> Geol Soc 1845 vol i p 322 some spaces in the south of Pictou and Col- <br> chester counties occupied by hypogene and old metamorphic rocks are coloured <br> as carboniferous These spaces being then unexplored were left uncoloured by <br> me ; but the colourist extended the carboniferous tint over them <br> t Quart Journ Geol Soc vol i p 27 36934217 113689 51125 Page 352 Text v 6 http //www biodiversitylibrary org/page/36934217 1850 Geological Society of London NameFound Orthis NameConfirmed Orthis EOLID 4333134 NameBankID 4270859 NameFound Productus NameConfirmed Productus NameBankID 4310929 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 6 1850 Geology Periodicals Smithsonian Libraries bhl page 36934217 dc identifier http //biodiversitylibrary org/page/36934217 smithsonian libraries Information field Flickr posted date ISOdate 2014-03-23 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13365526403 2015-08-26 10 52 01 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1850 Photos uploaded from Flickr by Fæ using a script | ||||
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