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Platyschisma Shale Member

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Journal Article
Journal: AAPG Bulletin
Published: 01 October 1957
AAPG Bulletin (1957) 41 (10): 2175-2191.
... Canyon member of limestone and dolomitic limestone, (2) the Union Mountain member of quartzite, quartzitic dolomite, and dolomite, and (3) the Telegraph Canyon member of light- and dark-banded mottled dolomite with a minor limestone tongue, are placed within the Nevada formation as redefined by Nolan...
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Journal Article
Published: 01 January 2016
Journal of Micropalaeontology (2016) 35 (1): 62-65.
... successfully the following method was used. Despite being part of the Platyschisma Shale Member ( Bassett et al . 1982 ), the Downton Bone Bed is in fact an extremely well-indurated quartz arenite. Thin sections ( Fig. 1 ) show the non-fossil component of the bed is almost completely quartz within a clay...
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Journal Article
Published: 01 May 2005
Proceedings of the Yorkshire Geological Society (2005) 55 (3): 173-182.
... Foot coal seam roof shales, Upper Westphalian A, Upper Carboniferous. Westhoughton, 3 miles east of Wigan, Lancashire [SD 669 004]. Anderson et al. 1999 , p. 326. Eurypterid indet.      FIGURED LL.l 1117. Platyschisma Shale Member, Downton Castle Sandstone Formation, (above the Ludlow Bone...
Book Chapter

Author(s)
David J. Siveter
Series: The Micropalaeontological Society, Special Publications
Published: 01 January 2009
DOI: 10.1144/TMS003.3
EISBN: 9781862396210
... British Silurian ostracods most commonly and abundantly occur as calcareous shells, in some cases washed from shales and marls (e.g. as for most assemblages from the Wenlock Series of the Welsh Borderland), in other cases prepared as discrete valves on rock surfaces ( Siveter 1980...
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Series: Geological Society, London, Geology of Series
Published: 01 January 2006
DOI: 10.1144/GOEWP.4
EISBN: 9781862393882
... boundary, and for the base of the Llandovery Series and Rhuddanian Stage, is located at Dob’s Linn in the Southern Uplands of Scotland. It is placed within the Lower Birkhill Shales Formation at the first occurrence of the graptolites Akidograptus ascensus and Parakidograptus acuminatus...
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Series: Geological Society, London, Special Reports
Published: 01 January 1992
DOI: 10.1144/SR21.1
EISBN: 9781786202840
... in a detailed paper by Hancock (1982) who figured some early Wenlock brachiopods, notably Eocoelia angelini , which were found in shales interbedded with tuffs which underlie the substantial volcanic rocks, chiefly andesites. These are the only substantial volcanics of Wenlock age (excluding bentonites...
Journal Article
Journal: AAPG Bulletin
Published: 01 July 1953
AAPG Bulletin (1953) 37 (7): 1713-1816.
..., director, Geological Survey of Canada, for the identification of fossils and to W. J. Wright, Provincial geologist of New Brunswick, for numerous visits and helpful discussion during the course of field operations. Further acknowledgment is made to all members of the exploration staff who assisted...
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Book Chapter

Series: The Micropalaeontological Society, Special Publications
Published: 01 January 2009
EISBN: 9781862396210
... to form small dolon; supravelar furrow well developed; antrum smooth. Range: ‘Llandeilo Limestone’, ‘Llandeilo Flags’ and Bryn-banc Limestone Member, Llan-mill Formation, Llandei-lian-Costonian, South Wales; and ‘Glyptograptus’ teretiusculus Shales (Llanfawr Mudstone Formation), H. teretius-culus...
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