noun
definition
A fine-grained sedimentary rock whose original constituents were clays or muds.
Examples of mudstone in a Sentence
It includes chalky limestones, siliceous earths, red clay, and, at the top, a layer of mudstone composed mainly of volcanic dust.
Nodular anhydrite (Arab Formation)Gypsum(dark lenticular shapes) in brown/grey lime mudstone (lens 2.5cm sq) What environment do these structures/textures occur in?
It includes outcrops of numerous coal seams, and several mudstone horizons yielding non-marine bivalves.
Below the cretaceous Tertiary escarpment, the low ground is underlain by soft sedimentary rocks of the Triassic Mercia Mudstone Group.
The Waterloo mudstone Formation spans the Triassic Jurassic boundary, and comprises dark gray mudstones and shales, alternating with gray limestones.
This arrangement of dolomitised limestone and overlying mudstone is the most common feature seen through both the prehistoric and more recent workings.
The geology of much of the western half of Leicestershire is dominated by the red mudstones of the Triassic aged Mercia Mudstone Group.
On the north side of the Lagan Valley the Triassic sandstone is succeeded by reddish Triassic mudstone which does not provide a water supply.
At Helwith in Ribblesdale, the hard, dark grey-green mudstone quarried there is much in demand today for producing skid resistant roadstone.
The 3 mudstone formations There are three different mudstone formations There are three different mudstone formations found in the study area.