clay mineral


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Related to clay mineral: Smectite

clay mineral

[¦klā ¦min·rəl]
(mineralogy)
One of a group of finely crystalline, hydrous silicates with a two-or three-layer crystal structure; the major components of clay materials; the most common minerals belong to the kaolinite, montmorillonite, attapulgite, and illite groups.
References in periodicals archive ?
The disintegration of samples was performed for the determination of the mass fraction Total Clay ([less than or equal to]4 [micro]m) and investigation of clay minerals in it.
Among these only soluble and exchangeable K are readily plant available and most of the fractions are fixed by clay minerals making it non-available for uptake by plants.
Clay mineral investigation of sediments in the northern Gulf of Mexico in Clays and Clay Minerals, Natl Acad Sci Natl Res Council 1954.
In addition, the proportion of clay minerals and feldspars is in general very low, especially in the gravel levels (frequently <5%), although significant clay mineral contents were found in some sandy levels (approximately 15% in S2 and S4 sedimentary sequences).
Problems resulting from instability of Shale formations of oil and gas fields make well tight, pipes cased and also make formation eradication, mud loss, well deviation and other problems which explicitly and implicitly have effects on increasing drilling expenditure in addition, Clay minerals swelling near the wellbore make producing chemicals closed and formation destroyed.
The first step in modifying the clay mineral structure with acid is a separation of exchangeable cations from protons.
The quarry is associated with clay mineral extraction used for the manufacture of clayware products.
Chlorite is a 2:1 clay that is often found in soil and is the dominant clay mineral in the inceptisols of the Double N Farm in New Jersey.
That suggests the Earth and Martian rocks contained the same clay mineral called smectite, which is the principle component of bentonite and can only be formed in water, Brown said.
X-Ray diffraction procedure for clay mineral identification; in crystal structure of clay minerals and their X-ray identification, G.
CEC determinations yield numbers that are valuable in the evaluating the capacity of the soil to retain cation, its clay mineral composition, and general chemical reactivity [9].