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Stockdale Group

The Stockdale Group is a Silurian lithostratigraphic group (a sequence of rock strata) in the southern Lake District and Howgill Fells of the Pennines of northern England. The name is derived from the locality of Stockdale near the top of Longsleddale in Cumbria. It is included within the Windermere Supergroup. The rocks of the Group have also previously been referred to as the Stockdale Shales or Stockdale Subgroup. The group comprises limestones and oolites and some sandstones and shales which reach a maximum thickness of 120m in the area. It is divided into a lower Skelgill Formation which is overlain by an upper Browgill Formation.

Stockdale Group
Stratigraphic range: Llandovery epoch of Silurian
TypeGroup
Unit ofWindermere Supergroup
Sub-unitsSkelgill and Browgill formations
UnderliesTranearth Group
OverliesDent Group
Thicknessup to 120m
Lithology
Primarymudstone, siltstone
Location
RegionNorthern England
CountryEngland
Extentsouthern Lake District and Pennine inliers
Type section
Named forStockdale in Longsleddale
  1. "Stockdale Group". The BGS Lexicon of Named Rock Units. British Geological Survey. RetrievedJanuary 20, 2019.
  • The Geological Society (2006). Brenchley, P.J. (ed.). The Geology of England (2. ed.). London: Geological Society Publishing. pp. 124–126. ISBN 9781862392007.

Stockdale Group
Stockdale Group Language Watch Edit The Stockdale Group is a Silurian lithostratigraphic group a sequence of rock strata in the southern Lake District and Howgill Fells of the Pennines of northern England The name is derived from the locality of Stockdale near the top of Longsleddale in Cumbria It is included within the Windermere Supergroup The rocks of the Group have also previously been referred to as the Stockdale Shales or Stockdale Subgroup The group comprises limestones and oolites and some sandstones and shales which reach a maximum thickness of 120m in the area It is divided into a lower Skelgill Formation which is overlain by an upper Browgill Formation 1 Stockdale Group Stratigraphic range Llandovery epoch of SilurianTypeGroupUnit ofWindermere SupergroupSub unitsSkelgill and Browgill formationsUnderliesTranearth GroupOverliesDent GroupThicknessup to 120mLithologyPrimarymudstone siltstoneLocationRegionNorthern EnglandCountryEnglandExtentsouthern Lake District and Pennine inliersType sectionNamed forStockdale in LongsleddaleReferences Edit Stockdale Group The BGS Lexicon of Named Rock Units British Geological Survey Retrieved January 20 2019 The Geological Society 2006 Brenchley P J ed The Geology of England 2 ed London Geological Society Publishing pp 124 126 ISBN 9781862392007 Retrieved from https en wikipedia org w index php title Stockdale Group amp oldid 924948036, wikipedia, wiki, book,

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