montmorillonite

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montmorillonite

(ˌmɒntməˈrɪləˌnaɪt)
n
(Minerals) a clay mineral consisting of hydrated aluminium silicate: an important component of bentonite
[C19: named after Montmorillon, French town where it was first found, + -ite1]

mont•mo•ril•lon•ite

(ˌmɒnt məˈrɪl əˌnaɪt)

n.
any of a group of clay minerals that expand when they absorb water.
[1850–55; after Montmorillon, France, where it was found; see -ite1]
References in periodicals archive ?
Schafer WM, Singer MJ (1976) Reinvestigation of effect of saran coatings on extensibility of swelling soil clods.
These methods include chemical stabilization, replacement with non swelling soil, prewetting, moisture and density control during compaction process, surcharge loading, mixing with non- swelling soil and use of geosynthetics.
Bouma J, Jongerius O, Boersma O, Jager A, Schoonderbeek D (1977) The function of different types of macropores during saturated flow through 4 swelling soil horizons.
Although the chosen site (Tanera soil) has a reputation of being very swelling soil, our sample seems to have a weak potential of swelling to means for classifications of Holtz, Dakshanamurthy and Raman, 1973; Snethen, 1980; BRS, 1980, it can be due to the taking away of the soil or to the modification of the soil microstructure when reconstituted.
Kaczynski and Olszewska [1] showed that swelling soil in Poland had brought relatively many failures of structures.
The swelling soil required me to conduct several individual soil tests before building.
Infiltration and water movement in an in situ swelling soil during prolonged ponding.
Talsma T, van der Lelij AJ (1976) Infiltration and water movement in an in situ swelling soil during prolonged ponding.
Garnier P, Rieu M, Boivin P, Vauclin M, Baveye P (1997) Determining the hydraulic properties of a swelling soil from a transient evaporation experiment.
Tariq A, Durnford DS (1997) Moisture retention of a swelling soil under capillary and overburden pressures.
In a swelling soil the amount of water calculated to have infiltrated taking the swelling into account is greater than that calculated if the swelling is ignored.
They involve differentiation of the function representing the total potential of water in unsaturated swelling soil (eqn 25) and then substituting that gradient in Darcy's law (eqn 26).