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| Keywords: The Quarterly journal of the Geological Society of London (13935485811).jpg 1866 <br> JUKES OLD KED SANDSTONE AND DEVONIAN <br> 335 <br> a high angle under the Carboniferous Limestone They are however <br> often concealed by the alluvial flats which are formed on them by <br> the river Lee and the branches of Cork Harbour but may be seen <br> in many places about Cork ; for the details of which I must refer to <br> the Explanation of sheet 187 of the Irish Survey maps <br> 7 The Knockadoon and Sheeps Head Anticlinal and the country to <br> the south of it around Queenstown Kinsale Bandon Skihbereen and <br> Carrighoy The southern margin of the North Cork Old Red Sand- <br> stone district is formed by a narrow anticlinal ridge of Old Eed <br> which as mentioned at p 330 stretches across Ireland from Knocka- <br> doon Head to Sheeps Head Along the south side of this ridge the <br> dark slates and grits which interpose between the Old Ked Sandstone <br> and Carboniferous Limestone are equally continuous and may be <br> followed in the lirst instance from the north shore of Ballycottin Bay <br> to Queenstown and thence by Monkstown and Myrtle Hill near <br> BaUea to Ballinhassig which is 24 miles west of Ballycottin Bay <br> From Ballinhassig both the Old Bed Sandstone ridge and the <br> dark slates and grits on the south of it may be followed for still <br> another 26 miles to Dunmanway and still farther west without <br> any break except an occasional glen coming through the ridge <br> past Dromdaleague to Carrigboy and down the north side of Dun- <br> manus Bay until we come to the lofty vertical cliiFs of Sheeps Head <br> itself <br> Eor the first 20 miles starting from Knockadoon Head on the east <br> the dark slates and grits dip under beds of Carboniferous Limestone <br> on the south side of the ridge as they do on the north side of it ; <br> but the slates and grits on the south side become materially thicker <br> as we follow them towards the west until about Five Mile Bridge <br> and BalHnhassig there is no longer any Carboniferous Limestone <br> above them <br> Fig 7 Section from Ballea across Myrtle Hill <br> River <br> Ballea Owenboy Myrtle Hill <br> d2 <br> N <br> North Fir Hill <br> Lenetli of Section about 3 miles <br> J n u - T- r ˘ Thick-bedded erey crmoidal limestone <br> a Jarboniierous Limestone i-Ji-r i -i a -u v <br> a JJark-grey slates with grey and brown grits <br> c Old Eed Sandstone Purple and green slates and red and brown sand- <br> stones <br> In fig 7 we get a diagrammatic section across the valley of the <br> Owenboy Eiver a mile or so west of Ballea Castle This runs by a <br> house called Myrtle Hill and up to one called Fir Hill which is <br> about 580 feet above the sea <br> Some road-cuttings and a little glen which brings a lateral brook <br> down to the Owenboy show the rocks well upon the sides of this hill 36164776 111477 51125 Page 335 Text v 22 http //www biodiversitylibrary org/page/36164776 1866 Geological Society of London NameFound Ballea NameConfirmed Ballea NameBankID 4087127 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 22 1866 Geology Periodicals Smithsonian Libraries bhl page 36164776 dc identifier http //biodiversitylibrary org/page/36164776 smithsonian libraries Information field Flickr posted date ISOdate 2014-04-21 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13935485811 2015-08-26 06 51 36 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1866 Photos uploaded from Flickr by FĂŚ using a script | ||||
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