Fine grained sedimentary rock whose original constituents were clays or muds
Mudstone on east beach of Lyme Regis, England
Mudstone, a type of mudrock, is a fine-grained sedimentary rock whose original constituents were clays or muds. Mudstone is distinguished from shale by its lack of fissility (parallel layering).[1][2]
The term mudstone is also used to describe carbonate rocks (limestone or dolomite) that are composed predominantly of carbonate mud.[3] However, in most contexts, the term refers to siliciclastic mudstone, composed mostly of silicate minerals.[2]
The NASA Curiosity rover has found deposits of mudstone on Mars that contain organic substances such as propane, benzene and toluene.[4]
^Blatt, H., and R.J. Tracy, 1996, Petrology. New York, New York, W. H. Freeman, 2nd ed, 529 pp. ISBN 0-7167-2438-3
^ abBoggs, Sam Jr. (2006). Principles of sedimentology and stratigraphy (4th ed.). Pearson Prentice Hall. ISBN 0131547283.
^Lokier, Stephen W.; Al Junaibi, Mariam (2016-12-01). "The petrographic description of carbonate facies: are we all speaking the same language?". Sedimentology. 63 (7): 1843–1885. doi:10.1111/sed.12293. ISSN 1365-3091.
^Brown, Dwayne; Wendel, JoAnna; Steigerwald, Bill; Jones, Nancy; Good, Andrew (June 7, 2018). "Release 18-050 - NASA Finds Ancient Organic Material, Mysterious Methane on Mars". NASA. Retrieved June 11, 2018.
Mudstone, a type of mudrock, is a fine-grained sedimentary rock whose original constituents were clays or muds. Mudstone is distinguished from shale by...
The Mercia Mudstone Group is an early Triassic lithostratigraphic group (a sequence of rock strata) which is widespread in Britain, especially in the English...
The Llanfawr Mudstones is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period. Earth sciences portal Wales portal...
sedimentary rocks. The varying types of mudrocks include siltstone, claystone, mudstone and shale. Most of the particles of which the stone is composed are less...
The Aylesbeare Mudstone Group is an early Triassic lithostratigraphic group (a sequence of rock strata) in southwest England. The name is derived from...
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The Mugher Mudstone is a geologic formation located in Ethiopia. It dates to the Tithonian stage of the Late Jurassic. The lithology consists of gypsum...
The Crugan Mudstone is a geologic formation in England. It preserves fossils dating back to the Ordovician period. Earth sciences portal England portal...
‘Basal Grit’) which is overlain by the Bishopston Mudstone and the Telpyn Point Sandstone. The mudstones of these latter two formations was formerly known...
The Whitby Mudstone is a Toarcian (Early Jurassic; Falciferum-Bifrons in regional chronostratigraphy) geological formation in Yorkshire and Worcestershire...
The Bodeidda Mudstone is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period. Earth sciences portal Wales portal Paleontology...
The Santa Cruz Mudstone is a geologic formation in California. The siliceous organic mudstones of the formation were deposited in deep water and fluvial...
The Duyfor Mudstone is a geologic formation in England. It preserves fossils dating back to the Ordovician period. Earth sciences portal England portal...
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the manufacture of cement. Marl or marlstone is a carbonate-rich mud or mudstone which contains variable amounts of clays and silt. The term was originally...
The Redcar Mudstone Formation is a geological formation in North Yorkshire, England. Part of the Lias Group, it was deposited in the Hettangian to Pliensbachian...
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order, i.e., the oldest at the base and the youngest at the top): Pilton Mudstone Formation (Pilton Beds, Pilton Shales) Baggy Sandstones Formation (Baggy...
and black very fine grained sandstone, silty argillite, and laminated mudstone. In New Jersey, the cyclic nature of the formation is noted with hornfels...
The Broad Vein Mudstone Formation (commonly known as the Broad Vein, historically known as the Red Vein and in Welsh as Y Faen Goch) is an Ordovician lithostratigraphic...
The Redhill Mudstone is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period. Earth sciences portal Wales portal Paleontology...
The Haverford Mudstone is a geologic formation in Wales. It preserves fossils dating back to the Silurian period. Earth sciences portal Wales portal Paleontology...
metamorphism of Middle to Early Cambrian deep sea flysch composed of interbedded, mudstone, shale, clayey sandstone, calcareous sandstone, graywacke, and sandy limestone...
Craven Group is a lithostratigraphical term referring to the succession of mudstone and limestone rock strata which occur in certain parts of northern and...
The Allaru Formation, also known as the Allaru Mudstone, is a geological formation in Queensland, Australia, whose strata date back to the Early Cretaceous...
Ordovician-Silurian boundary on Hovedøya, Norway, showing brownish late Ordovician mudstone and later dark deep-water Silurian shale. The layers have been overturned...
190 million years ago, and known only from three wings found in the Charmouth Mudstone of Dorset, UK. The wings show scales with parallel grooves under a scanning...
including sedimentary rocks such as mudstones and igneous rocks such as tuffs. Schist metamorphosed from mudstone is particularly common and is often...
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