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Mulgrave Shale Member

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Journal Article
Published: 21 April 2022
Proceedings of the Yorkshire Geological Society (2022) 64 (1): pygs2019-001.
... with derivation from the Mulgrave Shale Member of the Whitby Mudstone Formation. The specimen is the first in-situ jaw apparatus to be reported for this genus from Britain. A second loose specimen, a Harpoceras sp. with in-situ aptychus was found and photographed at Deepgrove Wyke, but was too friable...
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( a ) Palaeogeographical map of the Cleveland Basin and coastline of NE Eng...
Published: 01 September 2011
Fig. 1. ( a ) Palaeogeographical map of the Cleveland Basin and coastline of NE England (modified from Ziegler 1990 ). ( b ) Map showing locations of key exposures of the Cleveland Ironstone Formation, Grey Shale Member and Jet Rock of the Mulgrave Shale Member. ( c ) Stratigraphy of the studied
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Starved ripple laminae in mudstones. The subtle terminations of some of the...
Published: 01 December 2011
Figure 4 Starved ripple laminae in mudstones. The subtle terminations of some of the ripples are shown by arrows. (A) Thin-bedded discontinuous wavy laminae preserved within a silt-bearing clay-rich mudstone. This sample was collected from the Mulgrave Shale Member (Jet Rock), Lower Jurassic
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Field photographs and logged intervals showing outcrop expression of the st...
Published: 01 September 2011
Fig. 2. Field photographs and logged intervals showing outcrop expression of the studied succession: ( a ) Jet Rock of the Mulgrave Shale Member; ( b ) Grey Shale Member; ( c ) Cleveland Ironstone Formation; ( d ) details of two logged and sampled successions through the Cleveland Ironstone
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Photomicrographs of the dinoflagellate cysts  Liasidium variabile  Drugg, 1...
Published: 01 May 2000
Borehole, 171.39 m, Mulgrave Shale Member {H. falciferum Ammonite Zone, H. exaratum Ammonite Subzone) ; specimen in left lateral view. ( J ) a paratype, specimen MPK 10824, sample details as I; specimen in left lateral view. ( К ) a paratype, specimen MPK 10825, sample details as I; specimen in right
Journal Article
Published: 01 May 2000
Proceedings of the Yorkshire Geological Society (2000) 53 (1): 1–16.
... Borehole, 171.39 m, Mulgrave Shale Member {H. falciferum Ammonite Zone, H. exaratum Ammonite Subzone) ; specimen in left lateral view. ( J ) a paratype, specimen MPK 10824, sample details as I; specimen in left lateral view. ( К ) a paratype, specimen MPK 10825, sample details as I; specimen in right...
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Journal Article
Published: 01 September 2011
Journal of the Geological Society (2011) 168 (5): 1121–1132.
...Fig. 1. ( a ) Palaeogeographical map of the Cleveland Basin and coastline of NE England (modified from Ziegler 1990 ). ( b ) Map showing locations of key exposures of the Cleveland Ironstone Formation, Grey Shale Member and Jet Rock of the Mulgrave Shale Member. ( c ) Stratigraphy of the studied...
FIGURES | View All (6)
Journal Article
Published: 01 November 2012
Proceedings of the Yorkshire Geological Society (2012) 59 (2): 99–107.
.... It is here tentatively identified as cf. Harpoceras sp. or cf. Eleganticeras sp. on the basis of similar specimens found within the Mulgrave Shale Member. At least two more aptychi are preserved on the matrix of this specimen, along with at least two more ammonites preserved as negative moulds, most...
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Journal Article
Published: 30 August 2022
Proceedings of the Yorkshire Geological Society (2022) pygs2022-007.
...); (ii) Howarth s (1973) detailed composite section of the Grey Shale Member, amended by Howarth (in Cope et al. 1980); (iii) Howarth s (1962) detailed sections at Rosedale Wyke, Port Mulgrave, and at Saltwick Nab; and (iv) Howarth s (1962) detailed section at Whitby, amended by Howarth (in Cope et al...
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Geological map of Port <span class="search-highlight">Mulgrave</span> after  Howarth, 1973 . The thick black arro...
Published: 01 November 2012
Fig. 1. Geological map of Port Mulgrave after Howarth, 1973 . The thick black arrow indicates the in situ location of WHITM:2011/44 in Bed 32 of the Grey Shale Member, Whitby Mudstone Formation. Inset maps show the location of Port Mulgrave on the Yorkshire coast.
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Specimen locality on the foreshore at Saltwick Bay, near Whitby, North York...
Published: 31 March 2015
Fig. 2. Specimen locality on the foreshore at Saltwick Bay, near Whitby, North Yorkshire. The specimens were collected loose from shingle at about the point indicated by the broad white arrow. The outcrop of the Mulgrave Shale and Alum Shale members at Saltwick Bay is taken from Howarth (1962
Series: Special Publications
Publisher: Society for Sedimentary Geology
Published: 01 January 2019
DOI: 10.2110/sepmsp.108.19
EISBN: 9781565763470
... Jurassic- and Cretaceous-aged mudstones from the Mulgrave Shale Member (Toarcian age) exposed on the northeast coast of England and the Hue Shale/Pebble Shale Member, North Slope of Alaska, (Hauterivian age) were compared. These successions are both enriched in organic carbon (up to 6% and 14...
Journal Article
Published: 01 September 2009
Journal of the Geological Society (2009) 166 (5): 859–872.
... and the Whitby Mudstone Formation, respectively ( Howarth 1955, 1962, 1973 ). The Whitby Mudstone Formation is subdivided into three members: the Grey Shales Member, the Mulgrave Shales Member and the Alum Shale Member (Fig. 3 ). The Whitby Mudstone Formation is predominantly composed of pale- to dark-grey...
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Journal Article
Journal: AAPG Bulletin
Published: 01 November 2014
AAPG Bulletin (2014) 98 (11): 2411–2437.
... lithostratigraphic units, based on the detailed lithostratigraphic and paleontological analysis of Howarth ( 1962 ) (oldest to youngest; Figure  3 ): Grey shale (corresponding to the Grey Shale Member of the Whitby Mudstone Formation; Figure  3 ), Jet rock and Bituminous shale (corresponding to the Mulgrave Shale...
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Journal Article
Journal: Geophysics
Published: 31 December 2019
Geophysics (2020) 85 (1): MR57–MR72.
... a present-day distribution spanning from central to northwestern Europe, comprising the surface and subsurface of the UK (the Mulgrave Shale Member of the Whitby Mudstone Formation [WMF]), Germany (Posidonienschiefer), and France (Schistes Carton) ( Littke et al., 1991 ; Hesselbo et al., 2000 ) (Figure  1...
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Journal Article
Published: 01 November 2007
Proceedings of the Yorkshire Geological Society (2007) 56 (4): 261–265.
... by Cope et al. (1980) and the Mulgrave Shale Member of the Whitby Mudstone Formation by Powell (1984) . It is of Early Jurassic age and belongs to the Har-poceras falciferum Zone, Cleviceras [previously Harpoceras; see Howarth 1992 , p. 89] exaratum Subzone, of the Toarcian Stage. The unit...
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Journal Article
Published: 01 April 1984
Earth Sciences History (1984) 3 (1): 58–68.
...). In this paper Hunton’s origins from a successful alum making family in the north-east of Yorkshire in the north of England and his short life and scientific work are described for the first time. The family business of alum making from the highly fossili-ferous local alum shales, which were extracted open-cast...
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Journal Article
Published: 13 December 2019
Geological Magazine (2020) 157 (10): 1593–1611.
... shales of the Mulgrave Shale and Alum Shale members, before passing back into silty mudstones of the Peak Mudstone Member and finally the still more silty Fox Cliff Siltstone Member (Simms et al . 2004 ). The Jet Rock contains the negative CIE of the Toarcian Oceanic Anoxic Event (Fig.  4 ) and has...
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Journal Article
Journal: Geology
Published: 01 March 2015
Geology (2015) 43 (3): 263–266.
... the Grey Shale Member ( Fig. 2 ; r s = 0.604; p = 0.0001). Following the crisis, the trends diverge: benthic diversity remains relatively low throughout the post-extinction Mulgrave Shale Member, whereas nektonic diversity is high ( r s = –0.185; p = 0.1926). The change from parallel to divergent...
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Journal Article
Published: 01 November 2010
Journal of Sedimentary Research (2010) 80 (11): 934–942.
..., the Jet Rock Member of the Whitby Mudstone Formation, and the pebble shale and Hue Shale). This study was initiated to determine how organic carbon-rich materials were being delivered to the sediment–water interface, and what happened to them after deposition, prior to deep burial. Analyses of the fabrics...
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