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| Keywords: The Quarterly journal of the Geological Society of London (14095879373).jpg ON THE GEOLOGY OF THE <br> t <br> <br> as <br> principally of coniferous wood having <br> the texture of a bright hard lignite <br> approaching to the characters of true <br> bituminous coal and affording a yalu- <br> able fuel Beds of this character are <br> very extensively distributed over the <br> region The shales associated with <br> the coals hold many vegetable frag- <br> ments ; but no well-characterized spe- <br> cimens were obtained though there <br> were abundant indications of forests <br> of angiospermous and gymnospermous <br> trees Better-preserved remains of <br> them obtained from other sections <br> will be found referred to in a paper by <br> the writer in the ' Transactions of the <br> Eoyal Society of Canada' vol i <br> 1883 <br> These beds at Medicine Hat are <br> believed on stratigraphical evidence <br> by the officers of the Geological Survey <br> to be below the Et Pierre group and <br> therefore probably of Cenomanian <br> age ; yet in lithological character they <br> have a very close resemblance to the <br> Laramie beds ; and even their fossils <br> so far as known are scarcely distin- <br> guishable from those of the upper <br> series both holding shells of the sam e <br> genera They would seem to occupy <br> the top of a flat anticlinal on both <br> sides of which are seen beds a little <br> higher in the series <br> About twenty miles east of Medicine <br> Hat at Eoss's Creek some of the next <br> beds in ascending order occur and are <br> believed to belong to the Pierre series <br> They are light-coloured marls and clays <br> with Ammonites OytJierea and bones <br> of fish and Dinosaurs; above these <br> are gypseous clays ; and still higher <br> brownish shales holding a bed of <br> lignite <br> West of the localities above de- <br> scribed similar Cretaceous beds occupy <br> the country nearly to the base of the <br> mountains fig 2 ; and beds of coal some <br> See map by Dr G M Dawson and Re- <br> port on Bow and Belly Coal Fields Geolo- <br> gical Survey of Canada 1883 <br> piH 36941193 113697 51125 Page 382 Text 40 http //www biodiversitylibrary org/page/36941193 1884 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 40 1884 Geology Periodicals Smithsonian Libraries bhl page 36941193 dc identifier http //biodiversitylibrary org/page/36941193 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 N02/14095879373 2015-08-26 05 50 18 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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