any of a group of clay minerals of which montmorillonite and saponite are members
smectite in American English
(ˈsmekˌtait)
noun
Mineralogy
any of a group of clay minerals characterized by the ability to expand when they absorb large quantities of water; montmorillonite
Word origin
[1805–15; ‹ Gk smēkt(ós) smeared + -ite1]This word is first recorded in the period 1805–15. Other words that entered Englishat around the same time include: diminishing returns, one-sided, platinum, polarization, soufflé-ite is a suffix of nouns denoting esp. persons associated with a place, tribe, leader,doctrine, system, etc. (Campbellite; Israelite; laborite); minerals and fossils (ammonite; anthracite); explosives (cordite; dynamite); chemical compounds, esp. salts of acids whose names end in -ous (phosphite; sulfite); pharmaceutical and commercial products (vulcanite); a member or component of a part of the body (somite)
Examples of 'smectite' in a sentence
smectite
However, clay mineral-transformation, illite-smectite to illite and chlorite was documented near the volcanic intrusions.
Wolela Ahmed 2002, 'Effects of heat-flow and hydrothermal fluids from volcanic intrusions on authigenicmineralization in sandstone formations', Bulletin of the Chemical Society of Ethiopiahttp://www.ajol.info/index.php/bcse/article/view/20947. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Interstratified illite-smectite, smectite-illite and illite were predominant in the clay fraction.
Sophia Mouas-Bourbia , Pierre Barre , Malika Boudiaf-Nait Kaci , Malika Mouffok ,Mohamed Rebbouh , Lila Kessouri , Hallima Ouahab , Arezki Derridj , Bruce Velde 2015, 'Influence of Olea europea L. and Ficus Carrica L. fine root activity on the K biodisponibilityand clay mineralogy of the rhizosphere', Eurasian Journal of Soil Sciencehttp://fesss.org/download/arsiv/OD1Y53RB.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Clay mineral assemblages are dominated by smectite and illite, with minor chlorite and kaolinite.
ANWAR ALIZAI 2011, 'Holocene Provenance Identification and Climate Control of Indus Basin By Using RadiogenicTechniques and Clay Mineralogy', International Journal of Economic and Environment Geologyhttp://www.econ-environ-geol.org/pdf/aug/Article-3.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Among clay minerals, illite predominates over smectite and smectite over chlorite (+ kaolinite).
K.G. PEHLIVANOGLOU, G. TRONTSIOS, A. TSIRAMBIDES 2004, 'Grain size distribution, clay mineralogy and chemistry of bottom sediments from theouter Thermaikos Gulf, Aegean Sea, Greece', Mediterranean Marine Sciencehttps://ejournals.epublishing.ekt.gr/index.php/hcmr-med-mar-sc/article/view/12181. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This clay mineral has the basic structure of a smectite mineral.
G. W. Melo, E. J. Meurer, L. F. S. Pinto 2004, 'Fontes de potássio em solos distroférricos cauliníticos originados de basalto no RioGrande do Sul Potassium-bearing minerals in two oxisols of Rio Grande do Sul State,Brazil', Revista Brasileira de Ciência do Solohttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832004000400002. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The majority phyllosilicates were illite-smectite mixed layers (14-50%) and illite (32-74%).
Jiménez-Millán, J., Vázquez, M. 2009, 'Suitability of the Betic Cordillera marly materials for the manufacture of pressedtile', Materiales de Construccionhttp://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/137/177. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The elay minerals present are illite and smectite with minor kaolinite and chlorite.
González, I., Galán, E. 1993, 'Contribución de la mineralogía de arcillas a la interpretación de laevolución paleogeografica del sector occidental de la Cuenca del Guadalquivir',Estudios Geologicoshttp://estudiosgeol.revistas.csic.es/index.php/estudiosgeol/article/view/354/358. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Nanoparticles can be separated from the bulk smectite phase.
Muriel Bouby, Nicolas Finck, Horst Geckeis 2015, 'Synthetic Smectite Colloids: Characterization of Nanoparticles after Co-Precipitationin the Presence of Lanthanides and Tetravalent Elements (Zr, Th)', Chromatographyhttp://www.mdpi.com/2227-9075/2/3/545. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Accessory minerals include quartz, illite, mica, feldspar, kaolinite, and smectite.
Aref Alshameri, Wei Xinghu, Ammar Salman Dawood, Amer M. Assabri, Chen Xin, ChunjieYan 2019, 'Characterization of Yemeni Natural Zeolite (Al-Ahyuq Area) and its Environment Applications:A Review', Journal of Ecological Engineeringhttp://www.journalssystem.com/jeeng/Characterization-of-Yemeni-natural-zeolite-Al-Ahyuq-area-and-its-environment-applications,102842,0,2.html. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
As a result, the content of the smectite becomes lowest in the soil surface.
Haixia Xie, Shuai He, Chuanqin Huang, Wenfeng Tan 2019, 'Origin of Smectite in Salinized Soil of Junggar Basin in Xinjiang of China', Mineralshttps://www.mdpi.com/2075-163X/9/2/100. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)