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| Keywords: The Quarterly journal of the Geological Society of London (13365640194).jpg 1850 <br> PRESTWICH ON THE LOWER TERTIARY STRATA <br> 263 <br> Organic remains of stratum c at Maryland Point <br> Cardium Plumsteadiense Sow <br> Cytherea obliqua Desk <br> Calyptrsea trochiformis LamJc <br> Fusus <br> Melania inqninata Defr <br> Natica glaucinoides Sow <br> Ostrea Bellovacina Lam <br> Pectunculus brevirostris Sow <br> Pectunciilus Plumsteadiensis Sow <br> Pleurotoma a small ribbed species <br> Rostellaria Sowerbvi Mant <br> Tellina <br> Scalaria <br> Teeth of Lainnse <br> A boring MoUusk probably a Litho- <br> domus <br> It will be observed that this bed is here as well characterized as at <br> Clarendon Hill or Chinham and that with the exception of a single <br> specimen of the Melania inquinata its fauna does not at all resemble <br> that of the Woolwich fluviatile beds This solitary specimen had <br> also the appearance of having been rolled and worn <br> The low country along which this bed outcrops from Stratford to <br> Horndon is covered with gravel and exhibits no sections Some years <br> since however a group of shells similar to the above was found <br> at Stifford Bridge near Purfleet and specimens of them are I am in- <br> formed by Mr Morris now in the Geological Museum at Cambridge <br> On the south side of the Thames another outlier of the London <br> clay exists I believe on the Swanscombe Hills near Greenhithe but <br> although I have examined them closely I have not been able to meet <br> with a section of the basement beds <br> We next arrive at the fine sections at Upnor on the banks of the <br> Medway two miles north of Rochester We there have nearly all <br> the beds between the London clay and the chalk exposed in a few <br> large sections For the present it will be sufficient to exhibit the <br> upper part of the section on the banks of the Medway a short <br> distance beyond the Castle See fig 10 <br> 10 ” Section at Upnor <br> London clay ; upper part dark brown and very tenacious pass- <br> ing down into sandy lighter coloured beds No organic re- <br> mains have been yet found in it <br> Brown clay and ochreous sand with traces of lignite <br> 2 Light greenish sand with a few patches of friable <br> shells 3 Fine yellow sand with a few shells 4 In- <br> durated clay with numerous shells and traces of <br> plants 5 Yellow sand the upper part full of round <br> flint pebbles and the lower part abounding in shells <br> Concreted masses full of shells not uncommon <br> 1 Light yellow and whitish sand ; upper surface indented <br> by stratum c; contains a few shells Ostrea and <br> Cyrena in irregular patches and occasionally an un- <br> derlayer of large Ostrete 2 A series of dark tough clays <br> with subordinate lignite and beds full of the fluviatile <br> shells of Woolwich 3 Variable yellow sands reaching <br> probably to the chalk at a depth of 50 or 6o feet below <br> c <br> This section is described by Mr Morris in the Proc Geol Soc vol ii p 451 36934118 113689 51125 Page 263 Text v 6 http //www biodiversitylibrary org/page/36934118 1850 Geological Society of London NameFound Bellovacina NameFound Calyptrsea trochiformis NameConfirmed Calyptraea trochiformis EOLID 4850559 NameBankID 6418131 NameFound Cardium NameConfirmed Cardium EOLID 50301 NameBankID 2693257 NameFound Cyrena NameConfirmed Cyrena EOLID 4757476 NameBankID 4134596 NameFound Cytherea obliqua NameFound Fusus NameConfirmed Fusus EOLID 2988518 NameBankID 4173880 NameFound Melania inqninata NameConfirmed Melania Melanoides inquinata NameFound Melania inquinata NameConfirmed Melania Melanoides inquinata NameFound Natica glaucinoides NameFound Ostrea NameConfirmed Ostrea EOLID 10719983 NameBankID 2692450 NameFound Pectunciilus NameFound Pectunculus brevirostris NameConfirmed Pectunculus brevirostris NameBankID 6464541 NameFound Pleurotoma NameConfirmed Pleurotoma EOLID 3035199 NameBankID 4302856 NameFound Plumsteadiensis NameFound Rostellaria NameConfirmed Rostellaria EOLID 4873050 NameBankID 3940657 NameFound Scalaria NameConfirmed Scalaria EOLID 4856646 NameBankID 245500 NameFound Tellina NameConfirmed Tellina EOLID 50297 NameBankID 2693370 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 6 1850 Geology Periodicals Smithsonian Libraries bhl page 36934118 dc identifier http //biodiversitylibrary org/page/36934118 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 N02/13365640194 2015-08-26 11 59 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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