Marlstone Rock Formation

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Marlstone Rock Formation
Stratigraphic range: Pliensbachian–Toarcian
Type Geological formation
Unit of Lias Group
Underlies Whitby Mudstone Formation
Overlies Dyrham Formation, Charmouth Mudstone Formation (East Midlands Shelf northwards)
Thickness10 metres (33 ft)
Lithology
Primary Limestone, sandstone
Other Mudstone, Ironstone
Location
Country United Kingdom
ExtentEast Midlands Shelf and Worcester Basin (Mendips to Market Weighton).
Type section
LocationJeffries Brickworks, near Stonehouse

The Marlstone Rock Formation is a geological formation in England. It dates to the Early Jurassic, it consists of "Sandy, shell-fragmental and ooidal ferruginous limestone interbedded with ferruginous calcareous sandstone, and generally subordinate ferruginous mudstone beds", with ironstone. [1]

References

  1. "Marlstone Rock Formation". The BGS Lexicon of Named Rock Units. British Geological Survey.