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Mineral mixture of phyllosilicates
A smectite (from Ancient Greek σμηκτός (smēktós) 'lubricated'; from σμηκτρίς (smēktrís) 'walker's earth, fuller's earth'; lit. 'rubbing earth; earth that
Smectite
Fine-grained aluminium phyllosilicates
similarities. Smectite group which includes dioctahedral smectites, such as montmorillonite, nontronite and beidellite, and trioctahedral smectites, such as
Clay_mineral
Type of claystone, composed of absorbent smectite clay minerals
absorbent swelling clay consisting mostly of montmorillonite (a type of smectite) which can either be Na-montmorillonite or Ca-montmorillonite. Na-montmorillonite
Bentonite
Phyllosilicate minerals in the smectite group
is named after Montmorillon in France. Montmorillonite, a member of the smectite group, is a 2:1 clay, meaning that it has two tetrahedral sheets of silica
Montmorillonite
Fine-grained, clastic sedimentary rock
expandable smectites, whereas in older rocks (especially in mid-to early Paleozoic shales) illites predominate. The transformation of smectite to illite
Shale
Sand or sandstone which has a greenish color
glauconies and consist of a mixture of mixed-layer clay minerals, such as smectite and glauconite. Greensand is also loosely applied to any glauconitic sediment
Greensand
Fine grained natural soil
silt and less than 40% clay are called loam. Some clay minerals (such as smectite) are described as swelling clay minerals, because they have a great capacity
Clay
Rock-forming minerals with predominantly silicate anions
clay) Falcondoite – (Ni,Mg)4Si6O15(OH)2·6H2O (Ni analogue of sepiolite) Smectite group (2:1 clays) Hectorite – Na0.3(Mg,Li)3(Si4O10)(F,OH)2 Montmorillonite
Silicate_mineral
Silicate of aluminium and magnesium
known as montmorillonite. Diosmectite is a contraction of "dioctahedral smectite". Its effectiveness in improving stool consistency is the result of its
Diosmectite
Process of extracting nickel from ores
surface ores (limonite and smectite) and deep ores (saprolite) in the deposit. Indeed, the high iron content in limonite and smectite penalizes pyrometallurgical
Nickel_extraction
Valley on Mars
resolution. Fe/Mg-smectites are the dominant spectra detected by CRISM at Mawrth Vallis with spectra falling between nontronite, an Fe-smectite, and hectorite
Mawrth_Vallis
Labyrinthus on Mars
halloysite/endeillite, or perhaps a combination of kaolinite and montmorillonite) iron smectites (nontronite) opaline silica (opal-A to the diagenetically-altered opal-CT)
Noctis_Labyrinthus
Trough off the coast of Japan
smectite, display variation over time and location in the Nankai Trough as well as the Shikoku basin. At depth there is an increase in the smectite clay
Nankai_Trough
Magnesium aluminium phyllosilicate mineral
composite of smectite and palygorskite. Smectites are expanding lattice clays, of which bentonite is a commonly known generic name for smectite clays. The
Palygorskite
Geotechnical characteristics of a soil related to its water content
built on them. Soils when wet retain water, and some expand in volume (smectite clay). The amount of expansion is related to the ability of the soil to
Atterberg_limits
Smectite clay-based cosmetic
Smectite clay-based cosmetic
Rhassoul
of certain clay minerals that are present, such as montmorillonite and smectite, directly affects the shrink-swell capacity of soil. This ability to drastically
Shrink–swell_capacity
Group of non-expanding clay minerals
The cation-exchange capacity (CEC) of illite is smaller than that of smectite but higher than that of kaolinite, typically around 20 – 30 meq/100 g.
Illite
Synchetic chemical compound
Laponite is a synthetic smectite clay invented in 1962 by clay scientist Barbara Neumann. Usually produced as powder, laponite is a nanomaterial made up
Laponite
Practice of eating earth or soil-like substrates
that they often prefer soils with high clay content, usually with the smectite clay families being well represented. The preference for certain types
Geophagia
Group of phyllosilicate minerals
Hydrobiotite Karpinskite Kulkeite Lunijianlaite Rectorite Saliotite Tosudite Smectites and vermiculite family Beidellite Ferrosaponite Montmorillonite Nontronite
Mica
City and county seat in Texas, United States
underlain by smectite-rich clay which is locally capped by silt or fine sand; the high shrink-swell potential associated with smectite creates major
Victoria,_Texas
Phyllosilicate clay mineral
proportion of other clay minerals such as illite (in cooler climates) or smectite (in drier climates) increases. Such climatically related differences in
Kaolinite
Smoking pipe made from the mineral sepiolite
][dubious – discuss] is closely related to meerschaum. It is a synonym for the smectite clay: stevensite. Edgar Allan Poe mentions it in the opening sentence of
Meerschaum_pipe
Degree of structural order in a solid
France-Lanord, C. (2008-02-01). "Quantifying Li isotope fractionation during smectite formation and implications for the Li cycle". Geochimica et Cosmochimica
Crystallinity
Phyllosilicate mineral in the smectite group
Nontronite is the iron(III) rich member of the smectite group of clay minerals. Nontronites typically have a chemical composition consisting of more than
Nontronite
Phyllosilicate mineral in the smectite group
County, California, 30 miles east of Barstow). Hectorite belongs to the smectite group; it is a swelling 2:1 clay mineral. Hectorite occurs with bentonite
Hectorite
Rock consolidated from volcanic ash
the Italian tufo. Bentonite – Type of claystone, composed of absorbent smectite clay minerals Brisbane tuff Eutaxitic texture – Layered or banded texture
Tuff
Use of clay in health care
spas (mud therapy). Among the clays most commonly used are kaolin and the smectite clays such as bentonite, montmorillonite, and fuller's earth. However,
Medicinal_clay
needed] of wall rock which introduces clay minerals including kaolinite, smectite and illite. The process generally occurs at low temperatures and may occur
Argillic_alteration
Phyllosilicate mineral in the pyrophyllite-talc group
Hydrobiotite Karpinskite Kulkeite Lunijianlaite Rectorite Saliotite Tosudite Smectites and vermiculite family Beidellite Ferrosaponite Montmorillonite Nontronite
Talc
Dimensionless quantity related to porosity
the pore fluid are clearly separated, so swelling clay minerals such as smectite, montmorillonite, or bentonite containing bound water in their interlayer
Void_ratio
Clay soil prone to swelling and shrinking
in drier seasons or years; such soils are called vertisols. Soils with smectite clay minerals, including montmorillonite, kaolinite, and illite group minerals
Expansive_clay
Phyllosilicate mineral in the smectite group
Saponite is a trioctahedral mineral of the smectite group. Its chemical formula is Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2·n(H2O). It is soluble in sulfuric acid
Saponite
Nickel-rich smectite deprecated as mineral species in 2006
smectite occur at the type locality, Szklary, Ząbkowice County, Lower Silesia, Poland. According to the literature pimelite belongs to the smectite group
Pimelite
Branch of the geology of Mars
oxide/hydroxides, Fe-sulfides, amorphous material, and trioctahedral smectites (a type of clay). Basaltic minerals in the mudstone are similar to those
Composition_of_Mars
Group of rock-forming minerals
feldspars happens by hydrolysis and produces clay minerals, including illite, smectite, and kaolinite. Hydrolysis of feldspars begins with the feldspar dissolving
Feldspar
Sinkankasite Sinoite Skaergaardite Sklodowskite Skutterudite Slottaite Smaltite Smectite (a group of clay minerals) Smithsonite Sodalite Soddyite Sonolite Sperrylite
List_of_minerals
Seamount in the Atlantic Ocean
components are apatite, asbolane, birnessite, buserite, goethite, mica smectite, smectite, palygorskite, quartz, todorokite and zeolites. The formation of the
Krylov_Seamount
French geologist and mining engineer (1782-1861)
also named the clay mineral nontronite (Fe(III)-rich end-member of the smectite group) from the town of Nontron in the Dordogne department in Nouvelle-Aquitaine
Pierre_Berthier
Mosaic tile decoration
composition shows besides kaolinite the presence of illite, chlorite, smectite and traces of mixed layer illite/chlorite. Meknes clays belong to illitic
Zellij
Chemical conditioner applied to laundry during the washing cycle
anionic surfactants directly. Other anionic softeners can be based on smectite clays. Some compounds, such as ethoxylated phosphate esters, have softening
Fabric_softener
Extinct species of rodent
the fossils is uncertain, but the cliff strata is composed of volcanic smectite clay that dates from between the Late Pliocene and Early Pleistocene (2
Hydrochoerus_gaylordi
Phyllosilicate mineral in the smectite group
chemical formula (Ca,Na)xMg3-x(Si4O10)(OH)2. The mineral is a member of smectite. The mineral is named after Edwin Augustus Stevens. Stevensite can be found
Stevensite
Phyllosilicate mineral in the dioctahedral mica group
Hydrobiotite Karpinskite Kulkeite Lunijianlaite Rectorite Saliotite Tosudite Smectites and vermiculite family Beidellite Ferrosaponite Montmorillonite Nontronite
Muscovite
Form of aluminium hydroxide, mineral
sheets in important clay groups: the illite, kaolinite, and montmorillonite/smectite groups. The individual aluminium hydroxide layers are identical to the
Gibbsite
Species of bacterium
ES-1, mtoA is upregulated in the presence of solid Fe(II) in the form of smectite clay. L. ochracea possesses a multicopper oxidase (MCO) called mofA. While
Leptothrix_ochracea
Subgroup of phyllosilicate minerals within the kaolinite-serpentine group
Hydrobiotite Karpinskite Kulkeite Lunijianlaite Rectorite Saliotite Tosudite Smectites and vermiculite family Beidellite Ferrosaponite Montmorillonite Nontronite
Serpentine_subgroup
Type of clay found in coastal regions around the world
on the seabed. Marine clays commonly contain minerals such as illite, smectite, kaolinite, and chlorite, along with varying amounts of silt, organic matter
Marine_clay
Geological formation in Argentina
beds rather than sandy layers. Type B paleosols have high proportions of smectite and mica, frequent slickensides, wedge-shaped crevices (mudcracks in cross-section)
Ischigualasto_Formation
Chemical compound; herbicide
to 14 degradation products in the presence of iron-bearing ferruginous smectites. The iron in such minerals can be used by certain soil bacteria as an
Alachlor
Section of Herstal, Wallonia, Belgium
Maastrichtian chalk (Cretaceous) – makes up the Hesbaye aquifer Herve clay or smectite Sandstone, schists and coal pertaining to the Palaeozoic (also called Houiller)
Vottem
Rock formed by the deposition and cementation of particles
minerals have been weathered to clay minerals like kaolinite, illite or smectite. Among the three major types of rock, fossils are most commonly found in
Sedimentary_rock
Swedish geologic formation
stronger weathered profiles, opposed to smectite on the less weathered ones. Thus, fluvial currents released smectite-rich weathering material to the Late
Rya_Formation
Deterioration of rocks and minerals through exposure to the elements
Fripiat, J. J. (1974). "Interlamellar Adsorption of Carbon Dioxide by Smectites" (PDF). Clays and Clay Minerals. 22 (1): 23–30. Bibcode:1974CCM....22
Weathering
Hydrous phyllosilicate mineral
Hydrobiotite Karpinskite Kulkeite Lunijianlaite Rectorite Saliotite Tosudite Smectites and vermiculite family Beidellite Ferrosaponite Montmorillonite Nontronite
Vermiculite
Nickel phyllosilicate of the serpentine group
includes two or more of the following minerals: serpentine, talc, sepiolite, smectite, or chlorite, and Ni-Mg silicates, with or without alumina, that have X-ray
Garnierite
Hydrous aluminum silicates. Most common is bentonite (85% mineral clay smectite). Can be used to obtain a cement of density 11.5 to 15.0 ppg, with concentrations
Well_cementing
Herbicide
the presence of reduced iron-bearing soil clays, such as ferruginous smectites. Irradiation with 254 nm (ultraviolet light) degrades atrazine. Atrazine
Atrazine
Earth, a natural material
clays with high swelling properties, such as smectites, are often very fertile. For example, the smectite-rich paddy soils of Thailand's Central Plains
Soil
Two processes associated with loss of stable soil equilibrium
the long-term. Scientists experimented with adding bentonite, one of the smectite family of clays, to the soil. In field trials, conducted by scientists
Soil retrogression and degradation
Soil_retrogression_and_degradation
Soil mixing process
is a process of soil mixing caused by the shrinking and swelling of the smectite clays contained in soil. It is an effect specific to soils of the vertisolic
Argillipedoturbation
Wine fault due to aroma-intense compounds present in the cork
contamination is through the use of bentonite, a swelling clay preparation (smectite) used in treating wine for heat stability; bentonite has a high affinity
Cork_taint
Smm Stibnite Sbn Synchysite-(Ce) Syn-Ce Satimolite Sati Sepiolite Sep Smectite Sme Stichtite Stt Synchysite-(Nd) Syn-Nd Satpaevite Spv Serandite Srd Smirnite
List_of_mineral_symbols
Oil-based drilling fluid
shales that would otherwise swell and disperse in water based mud e.g. smectite, to drill deep, high-temperature holes that dehydrate water-based mud,
Oil-based_mud
NASA spacecraft active since 2005
locations. The phyllosilicates identified included aluminum smectite, iron/magnesium smectite, kaolinite, prehnite, and chlorite. Rocks containing carbonate
Mars_Reconnaissance_Orbiter
Geologic formation in Scandinavia
the abundant minerals. Clay minerals are dominated by illite, with some smectite, kaolinite, and chlorite. Pyrite is common and calcite veins are usually
Alum_Shale_Formation
characteristic depression (vortex), structured around a coarse-grained core with a smectite rind, and pinkish colour (Figure 2). They are formed at present in the
Microspherulite
Variety of sedimentary rock in the eastern Sahara
smectite is a second major clay component. In arid zones small amounts of smectite and palygorskite accompany kaolinite. It is likely that smectite and
Nubian_Sandstone
NASA mission to explore Mars via two rovers
class showed some signs of clay (perhaps montmorillonite a member of the smectite group). Clays require fairly long term exposure to water to form. One type
Mars_Exploration_Rover
Volcanic mudflow in Washington, USA
(0.48 to 0.60 cu mi). An analysis of the clay and altered minerals like smectite, kaolinite, halloysite, mica, cristobalite, opal, and hematite in Osceola
Osceola_Mudflow
State of matter with properties of both conventional liquids and crystals
studied in detail. The existence of a true nematic phase in the case of the smectite clays family was raised by Langmuir in 1938, but remained an open question
Liquid_crystal
Scientific expedition on 2011 earthquake
properties are largely caused by the high content of the clay mineral smectite. Examination of the microstructures in the laboratory samples, suggests
Japan Trench Fast Drilling Project
Japan_Trench_Fast_Drilling_Project
Anaerobic microorganisms using a metal as terminal electron acceptor to respirate
hematite, goethite, lepidocrocite, ferrihydrite, hydrous ferric oxide, smectite, illite, jarosite, among others. In natural systems, secondary minerals
Dissimilatory metal-reducing microorganisms
Dissimilatory_metal-reducing_microorganisms
1400 and 1900 nm; weak absorption features present near 2200 and 2300 nm. Smectite: Strong and sharp absorption features at 1400, 1900, and 2200 nm; The peaks
Spectroradiometry for Earth and planetary remote sensing
Spectroradiometry_for_Earth_and_planetary_remote_sensing
Russian diamond mine
separation helps to obtain modified saponite-containing products with high smectite-group minerals concentrations, lower mineral particles size, more compact
Lomonosov_diamond_mine
Study of past and present water on Mars
group, smectite, suggests moderate water-to-rock ratios. However, the pH-pCO2 between smectite and carbonate show that the precipitation of smectite would
Water_on_Mars
One of a series of 30 quadrangle maps of Mars
Other minerals found there include carbonates, aluminum smectite, iron/magnesium smectite, hydrated silica, kaolinite group minerals, and iron oxides
Syrtis_Major_quadrangle
Rare zeolite-group mineral
dachiardite-Na, ferrierite-K, ferrierite-Mg, ferrierite-Na, mordenite, and smectite. Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical
Dachiardite-K
Group of large, concentric grabens on Mars,
geologically significant discovery. Other minerals found by MRO are aluminum smectite, iron/magnesium smecite, hydrated silica, kaolinite group minerals, and
Nili_Fossae
Type of plaster
additive), chlorite and smectite. The global distribution of clay minerals in modern oceans reveals patterns. With kaolinite and smectite concentrated in tropical
Earthen_plaster
Phyllosilicate mineral
Hydrobiotite Karpinskite Kulkeite Lunijianlaite Rectorite Saliotite Tosudite Smectites and vermiculite family Beidellite Ferrosaponite Montmorillonite Nontronite
Chrysocolla
tetrahydroxide hexaoxopentaborate dihydrate) Saponite (montmorillonite, smectite: 1842) 9.EC.45 [121] [122] [123] Sapozhnikovite (sodalite: IMA2021-030)
List of minerals recognized by the International Mineralogical Association (S)
List_of_minerals_recognized_by_the_International_Mineralogical_Association_(S)
Species of flowering plant
high to strict edaphic affinity for clay soils, particularly vertic clay (smectite; montmorillonite) soils. M. lanceolata typically may grow on all soil textures
Monolopia_major
smectite-rich muds that form colloidal gels in seawater, has been proposed as a mechanism, as many of the first PFS described were found in smectite-rich
Polygonal_fault
Geological formation in Nebraska
within the lower parts of the shale and contains multiple fossil layers. Smectite clay is uniquely present in bluff but is more commonly acid weathered to
Ionia_Volcano
Instrument on board Mars Global Surveyor
presence of water it weathers into minerals such as goethite, chlorite, smectite, maghemite, and hematite. Olivine was also discovered in many other small
Thermal_Emission_Spectrometer
Grouping of mineral species by crystal structure and composition
group Langbeinites Mica group Pyroxene group Rutile group Serpentine group Smectite group Sodalite group Spinel group Tetradymite group Mineral Mineral variety
Mineral_group
Mica mineral in the celadonite subgroup
Earth Pigment from the Kadaň Region, Czech Republic: Use of Rare Fe-rich Smectite". Clays and Clay Minerals. 52 (6): 767–778. Bibcode:2004CCM....52..767H
Celadonite
Most commonly encountered form of asbestos
Hydrobiotite Karpinskite Kulkeite Lunijianlaite Rectorite Saliotite Tosudite Smectites and vermiculite family Beidellite Ferrosaponite Montmorillonite Nontronite
Chrysotile
Ratio of the electrical charge to the radius of an ion
hydrated cations such as Na+ and Mg2+ are responsible for the swelling of smectite while the less hydrated K+ and Ca2+ cause the collapse of the interlayer
Ionic_potential
Mica mineral in the celadonite subgroup
Hydrobiotite Karpinskite Kulkeite Lunijianlaite Rectorite Saliotite Tosudite Smectites and vermiculite family Beidellite Ferrosaponite Montmorillonite Nontronite
Aluminoceladonite
Crater on Mars
instruments on the Mars Reconnaissance Orbiter they found the minerals smectite, silica, zeolite, serpentine, carbonate, and chlorite that are common in
Auki_(crater)
Physico-chemical changes in sediments occurring after their deposition
HJ, Hutcheon IE, Bloch JD, Caritat PD (1994). "Silica activity and the smectite-illite reaction". Geology. 22 (6): 539–542. Bibcode:1994Geo....22..539A
Diagenesis
Archaeological site
smectite (NaO3(Al,Mg)2SiO10(OH)2·H2O). The three dominant mineral phases are quartz, mica and calcite followed by interstratified illite and smectite
Isinuka Mud Caves and Sulphur Pools
Isinuka_Mud_Caves_and_Sulphur_Pools
Jurassic geologic formation in Hungary
genesis. The Smectite is also found on the lower Pliensbachian Limestone. Nearly every Sample on Úrkút contains interstratified Illite/smectite. The Rn220
Úrkút_Manganese_Ore_Formation
Phyllosilicate mineral
Hydrobiotite Karpinskite Kulkeite Lunijianlaite Rectorite Saliotite Tosudite Smectites and vermiculite family Beidellite Ferrosaponite Montmorillonite Nontronite
Falcondoite
Proposed ancient lake on Mars
coastline is approximately 900 meters above the Mars Datum. Fe/Mg-rich smectite clays and other phyllosilicate deposits have been detected in this area
Eridania_Lake
Phyllosilicate mineral in the pyrophyllite-talc group
Hydrobiotite Karpinskite Kulkeite Lunijianlaite Rectorite Saliotite Tosudite Smectites and vermiculite family Beidellite Ferrosaponite Montmorillonite Nontronite
Minnesotaite
Feldspar mineral series
plagioclase. Plagioclase weathers relatively rapidly to clay minerals such as smectite. The Mohorovičić discontinuity, which defines the boundary between the
Plagioclase
SMECTITE
SMECTITE
SMECTITE
SMECTITE
Surname or Lastname
English
English : unexplained; perhaps of French origin, a variant of Cambe, a nickname for someone with a limp or other peculiarity of the leg, from a southern French form of jambe ‘leg’.
Boy/Male
Irish Gaelic
Blue.
Girl/Female
Tamil
Heavy, The dullard
Boy/Male
Greek Latin
Son of Zeus.
Girl/Female
Gujarati, Indian
Instrument of Music
Girl/Female
Danish, Hindu, Indian, Ukrainian
God's Power Full of Life
Girl/Female
Gujarati, Indian, Telugu, Traditional
Sita's Birth Place; Goddess Sita
Boy/Male
Hindu
Another name of Lord Hanuman (, Son of wind God)
Boy/Male
Hindu, Indian
Covered with Hides; Protected; Sheltered
Boy/Male
Indian
House of Lord Indra
SMECTITE
SMECTITE
SMECTITE
SMECTITE
SMECTITE
n.
A hydrous silicate of alumina, of a greenish color, which, in certain states of humidity, appears transparent and almost gelatinous.