Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A fine-grained, dark gray sedimentary rock, formed from silt and clay and similar to shale but without laminations.
from The Century Dictionary.
- noun A fine argillaceous rock, often containing more or less sand, somewhat harder than clay, and destitute of any distinct lamination.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
fine-grained sedimentary rock whose original constituents wereclays ormuds .
Etymologies
Sorry, no etymologies found.
Support
Help support Wordnik (and make this page ad-free) by adopting the word mudstone.
Examples
-
The "shale" is a sedimentary rock known as mudstone, and the "oil" is a waxy solid called kerogen.
-
Anyway, the ground was a very light grey, almost purple in places, a weathered clay or mudstone or siltstone of some sort.
One of those WoW things. sovay 2009
-
Researchers spotted the 45cm horn while hunting for fossils in the Hell Creek Formation, a 100m-thick slab of mudstone in south eastern Montana.
'Last dinosaur' fossil adds weight to theory that asteroid wiped out creatures 2011
-
In 2004-2005 an articulated Apatosaurus was removed from maroon mudstone in the Twin Juniper Quarry in Rabbit Valley.
Cooperative Management of Paleontological Resources on Federal Lands in Mesa County, Colorado ReBecca Foster 2009
-
The MDRS is a semi-arid desert with "greenish, grey or light gray mudstone, limestone, siltstone and sandstone, partially inter-bedded by white sandstone layers".
Mars Explorers May Use AI to Become 'Cyborg Astrobiologists' | Universe Today 2009
-
The remains, found in a massive mudstone, indicated a minimum number of three juvenile individuals, based on the presence of three left nasals.
The first Triceratops bonebed ... ReBecca Foster 2009
-
The Limestone Plains ecoregion is composed of thin strata of Permian-age limestone, sandy limestones, and mudstone.
-
In 2004-2005 an articulated Apatosaurus was removed from maroon mudstone in the Twin Juniper Quarry in Rabbit Valley.
Archive 2009-05-01 ReBecca Foster 2009
-
The remains, found in a massive mudstone, indicated a minimum number of three juvenile individuals, based on the presence of three left nasals.
Archive 2009-03-01 ReBecca Foster 2009
-
Marine mudstone and sandstone of Miocene-Pliocene origin form two hilly areas in the west.
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.