mudstone


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mudstone

[′məd‚stōn]
(geology)
An indurated equivalent of mud in the form of a blocky or massive, fine-grained sedimentary rock containing approximately equal proportions of silt and clay; lacks the fine lamination or fissility of shale.
References in periodicals archive ?
(5) Steady the load at the specified stress level, and observe and record the swelling deformation qualities of red mudstone.
Despite numerous rheological constitutive models for multiple types of rock [15, 16, 17], a special model for mudstone, considering moisture content, is still required.
Rock blocks of shale, mudstone, and fine-grained sandstone were collected from the coal reservoirs of two underground coal mines in China including the Ningtiaota (NT) Coal Mine located in Yulin of Shanxi province and the Jiahe (JH) Coal Mine located in Xuzhou of Jiangsu province.
The disappearance of taxa at the base of the Ragavere Formation is evidently caused by lithological changes: at this level marlstone of the Hirmuse Formation is replaced by fine-grained bioclastic wackestone and calcareous mudstone of the Torremagi Member) (Fig.
Along with the mud cracks, photos revealed areas of interspersed layers of sandstone and mudstone on Mars, as well as cross-bedding, which is a pattern of rock layers formed when water flows over a loose bed of sediment.
All of these result in a need to investigate the softening characteristic of mudstone and sandstone under different water contents.
Six Mudstone stored the next with the site., two Warrenby and one o"An opportunity has arisen thatwill give STDC a headstart in the implementation of its programme.
The upper layer of the earth in the hills around the reservoir is composed of mudstone, which retains water, while the lower layer contains chalk soil, which has excellent permeability, said Wang.
The Lucaogou Formation consists of sandstone, mudstone shale, oil shale, dolostone, limestone and tuff.
IN THE JUNE 8TH SCIENCE, team members from NASA's Curiosity rover mission reported the presence of several organic compounds in ancient mudstones on Mars, as well as the conclusive detection of a seasonal methane cycle.
The rover drilled samples from sedimentary rocks known as mudstone from four sites in the Gale Crater, which it has been exploring for years.
The coal seam floor is dominated by mudstone, carbonaceous mudstone, and sandy mudstone.