MAKE A MEME
View Large Image
| View Original: | The_Quarterly_journal_of_the_Geological_Society_of_London_(13369031893).jpg (1853x3186) | |||
| Download: | Original | Medium | Small | Thumb |
| Courtesy of: | commons.wikimedia.org | More Like This | ||
| Keywords: The Quarterly journal of the Geological Society of London (13369031893).jpg 1873 <br> SHARP OOLITES OF NORTHAMPTONSHIRE <br> 227 <br> this are three beds of the Great Oolite series having a maximum <br> thickness of 45 feet the lowest consisting of clay having a persistent <br> Fig 1 Diagram of General Section slioiving the 'position of the <br> Inferior Oolite Limestone and Divisions of Northampton Sand <br> Blisworth Clay 2 ft <br> White Limestone 25 ft <br> Blue Clay 15 ft <br> Ferruginous band <br> Place of Great Limestone of the Inferior Oolite <br> 'Upper WhiteSand 12 ft <br> I Plant-bed <br> Great Oolite <br> f Line of un- <br> \ t_ conformity <br> c <br> Middle J Variable beds 30 ft <br> Limestone <br> /Slate <br> 1 <br> Lower <br> Beds containing 1 <br> Ironstone J <br> 4 ft <br> Amm- bifrons bed <br> Pebbly bed <br> Upper Lias <br> ferruginous band at its base which clay containing wood plants <br> and numerous bands with fresh-water shells and exhibiting other <br> estuarine characteristics has been termed by Mr Judd the Upper <br> Estuarine Series ; the middle of a series of marly limestones ; <br> and the uppermost of clay characterized by an abundance of Ostrea <br> subrugulosa <br> The Middle Division of the Northampton Sand was separated by <br> me from the Lower Division provisionally as I stated because of <br> the intervention of a band of coarse Oolitic Limestone and because <br> of differences throughout the district then treated of in their <br> mineral and stratigraphical characteristics <br> To the north-east of Northampton however those differences are <br> not so marked for instance over a considerable area in the Lower <br> Division for ironstone is substituted an only slightly ferruginous <br> limestone ; and again in other places the Middle Division is <br> quarried for ironstone being more richly ferruginous than the <br> Lower Division while the Limestone band is frequently absent <br> In contrast to the varying and therefore uncertain marks of <br> distinction between the Lower and Middle Divisions of the North- <br> q2 39051145 120601 51125 Page 227 Text v 29 http //www biodiversitylibrary org/page/39051145 1873 Geological Society of London NameFound Ostrea subrugulosa NameConfirmed Ostrea submgulosa Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 29 1873 Geology Periodicals Smithsonian Libraries bhl page 39051145 dc identifier http //biodiversitylibrary org/page/39051145 smithsonian libraries Information field Flickr posted date ISOdate 2014-03-24 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13369031893 2015-08-26 10 57 18 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1873 Photos uploaded from Flickr by FĂŚ using a script | ||||
.jpg){kind=link}
