Marlstone Rock Formation

Marlstone Rock Formation
Stratigraphic range: Pliensbachian–Toarcian
TypeGeological formation
Unit ofLias Group
UnderliesWhitby Mudstone Formation
OverliesDyrham Formation, Charmouth Mudstone Formation (East Midlands Shelf northwards)
Thickness10 metres (33 ft)
Lithology
PrimaryLimestone, sandstone
OtherMudstone, 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]

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