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Stewartby Member

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Ammonites from slumped Oxford Clay Formation (<span class="search-highlight">Stewartby</span> <span class="search-highlight">Member</span>), South Cave...
Published: 01 May 2007
Fig. 5. Ammonites from slumped Oxford Clay Formation (Stewartby Member), South Cave Station Quarry. KJP collection specimen numbers, prefixed SCSQ. and the corresponding Oxford University (OUMNH) registration numbers are shown. (All specimens × 1.5) 5.1a, b. Kosmoceras ( Lobokosmokeras
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Ammonites from the Oxford Clay (<span class="search-highlight">Stewartby</span> <span class="search-highlight">Member</span>) and Brantingham formation...
Published: 01 May 2007
Fig. 6. Ammonites from the Oxford Clay (Stewartby Member) and Brantingham formations at South Cave Station Quarry. KJP collection specimen numbers, prefixed SCSQ, and the corresponding Oxford University (OUMNH) registration numbers are shown. (All specimens x 1.5) 6.1a, b. Longaeviceras sp
Journal Article
Published: 01 February 1994
Journal of the Geological Society (1994) 151 (1): 139–152.
...F. KENIG; J. M. HAYES; B. N. POPP; R. E. SUMMONS Abstract A total of 165 samples was obtained from the Oxford Clay Formation at seven different sites. Nearly all were from the Peterborough Member (Lower Oxford Clay), but seven were from the Stewartby and Weymouth Members (Middle and Upper Oxford...
Journal Article
Published: 01 February 1994
Journal of the Geological Society (1994) 151 (1): 113–124.
... parts of the underlying Kellaways Formation and of the overlying Stewartby Member of the Oxford Clay Formation. Other sections in the Peterborough district are discussed and related to the type section. The Peterborough Member is developed throughout southern England and aspects of its stratigraphy...
Journal Article
Published: 01 May 2007
Proceedings of the Yorkshire Geological Society (2007) 56 (3): 159–176.
...Fig. 5. Ammonites from slumped Oxford Clay Formation (Stewartby Member), South Cave Station Quarry. KJP collection specimen numbers, prefixed SCSQ. and the corresponding Oxford University (OUMNH) registration numbers are shown. (All specimens × 1.5) 5.1a, b. Kosmoceras ( Lobokosmokeras...
FIGURES | View All (8)
Journal Article
Published: 01 February 1994
Journal of the Geological Society (1994) 151 (1): 153–160.
...S. BELIN; F. KENIG Abstract Five samples representing the range of variability of palynofacies and organic geochemical parameters of the organic-rich facies of the Peterborough Member (formerly Lower Oxford Clay) and one sample from the Stewartby Member (Middle Oxford Clay) were studied using...
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Figure 2. A: Total organic carbon (TOC) content of whole-rock samples from ...
Published: 01 May 2004
that isorenieratene derivatives are absent in the Stewartby Member sample where II [2-methyl-2-(4,8,12-trimethyltridecyl)- chromans], internal standard, is dominant
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Figure 3. Plot of average hydrogen index (HI, milligrams of hydrocarbon per...
Published: 01 May 2004
; n = 75); foraminifera-rich shale (FS; n = 7); Grammatodon -rich shale (GrS; n = 4); Gryphaea shell bed (GSB; n = 8); nuculacean shell beds (NSB; n = 7); Stewartby Member (SM; n = 7); Weymouth Member (WM; n = 2). Other shell beds (OSB; n = 9) category includes Gryphaea
Journal Article
Published: 01 February 1994
Journal of the Geological Society (1994) 151 (1): 111–112.
.... It was traditionally subdivided into Lower, Middle and Upper divisions, now formalized as the Peterborough, Stewartby and Weymouth Members, respectively (Cox et al. 1993). The Peterborough Member is organic-rich, the Stewartby and Weymouth Members more calcareous and generally organic-poor. Excellent ammonite faunas...
Journal Article
Journal: Geology
Published: 01 May 2004
Geology (2004) 32 (5): 421–424.
... that isorenieratene derivatives are absent in the Stewartby Member sample where II [2-methyl-2-(4,8,12-trimethyltridecyl)- chromans], internal standard, is dominant ...
FIGURES
Journal Article
Published: 01 July 2003
Geological Magazine (2003) 140 (4): 479–486.
... Geologie und Paläontologie, Tübingen. CAMSM J.27424 was collected in 1909 from a brick pit in Whittlesey, south of Peterborough, England. The brick pits in the Whittlesey area (Fig. 1 ) currently expose the whole of the Peterborough Member and the lowest few metres of the overlying Stewartby...
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Journal Article
Published: 29 May 2024
Proceedings of the Yorkshire Geological Society (2024) pygs2023-011.
..., Cambridgeshire (Fig. 1). The specimen was found ex situ so its exact stratigraphic age cannot be determined, but it has been tentatively identified as from the Stewartby Member based on the preservation and adjacent outcrops (R. Forrest Pers. comm The Stewartby Member comprises intercalated silty, calcareous...
Journal Article
Published: 01 February 1994
Journal of the Geological Society (1994) 151 (1): 161–172.
...J. H. S. MACQUAKER Abstract Thirteen samples from the Peterborough Member (Oxford Clay Formation, Middle Jurassic), from Quest Pit, Stewartby, central England, were examined in detail using a combination of optical microscopy and backscattered electron imagery. The majority of the samples were clay...
Journal Article
Published: 03 April 2017
Journal of Paleontology (2017) 91 (4): 781–798.
... reserved The Oxford Clay Formation is subdivided into Taxon-range biozones and subzones using ammonites (Cox and Sumbler, 2002 ) and comprises three members, the lowest Peterborough Member, the middle Stewartby Member (both Callovian), and the upper Weymouth Member (Oxfordian). The Oxford Clay has...
Journal Article
Published: 01 February 2012
Quarterly Journal of Engineering Geology and Hydrogeology (2012) 45 (1): 45–60.
... fossiliferous Peterborough Member and an overlying calcareous mudstone (of lower organic-carbon content) comprising the Stewartby and Weymouth Members (formerly the Middle Oxford Clay). The Comptoni and Acutistriatum Beds are key markers ( Fig. 1 ) for regional correlation ( Hudson & Martill 1994...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP455.10
EISBN: 9781786203366
... in the Oxford Clay Formation, with only four cases documented in the literature ( Phillips 1871 ; Lydekker 1890 ; Andrews 1912 ; Leeds 1956 ). Phillips (1871 , pl. 12, figs 29–33) figured an indeterminate partial wing phalanx and femur from the Middle Oxford Clay (═Stewartby Member of Cox et al. 1992...
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Journal Article
Published: 01 February 1994
Journal of the Geological Society (1994) 151 (1): 195–207.
... bulk samples of the Peterborough Member were collected from working brick pits at Stewartby, Bletchley & Calvert (see Hudson & Martill, this volume, for locations) in order to characterize their mineralogy and chemistry. The samples were taken from the conveyor system after the clay had been scooped...
Journal Article
Published: 01 May 2001
Proceedings of the Yorkshire Geological Society (2001) 53 (3): 231–236.
... not found in the less organic-rich Stewartby and Peterborough Members of the Oxford Clay Formation (Kenig et al. 1997). Kenig et al. (1998) further report that isorenieratane occurs widely in Middle Callovian rocks of northern Europe, showing that the Peterborough Member is part of a regional...
Journal Article
Published: 01 February 1994
Journal of the Geological Society (1994) 151 (1): 173–194.
..., M.M. Marston Moretaine, M.K. Milton Keynes, N.C. Norman Cross, Or. Orton, S.H. Stanton Harcourt, St. Stewartby, T.P. Tidrnore Point, Tr. Trowbridge, Wh. Whitllesey, Ya. Yaxley. Peterborough Member is slightly diachronous over the region, but generally the member includes the top of the Calloviense...
Journal Article
Published: 06 December 2021
Proceedings of the Yorkshire Geological Society (2022) 64 (1): pygs2021-008.
... Callovian the Market Weighton High showed no signs of acting as a facies barrier during deposition of the Oxford Clay Formation. Oxford Clay facies extending from the south were readily able to cross the Hgh, with the accumulation of Peterborough Member and Stewartby Member clays being preserved between...
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