metabentonite

metabentonite

[¦med·ə′bent·ən‚īt]
(geology)
Altered bentonite, formed by compaction or metamorphism; it swells very little and lacks the usual high colloidal properties of bentonite.
References in periodicals archive ?
On the distribution of the main metabentonite stratum (d, XXII) in the Middle Ordovician of Baltoscandia.
Metabentonite geochemistry: magmatic cycles and graptolite extinctions at Dob's Linn, southern Scotland.
Metabentonite layers in the Estonian geological sections of Pirgu age refer to volcanism and tectonic activity in the west (Kiipli et al.
On the distribution of the main metabentonite stratum (d; XXII) in the Middle Ordovician of Baltoscandia.
Tsegelnyuk initiated a multidisciplinary revision of the sequence, including stratigraphy (especially lithostratigraphy), different groups of fossils, metabentonite beds for correlation purposes, etc.