degraded illite

degraded illite

[dē′grād·əd i′līt]
(mineralogy)
Illite with a depleted potassium content because of prolonged leaching. Also known as stripped illite.
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References in periodicals archive ?
Perkins, "Fines/Water Interactions and Consequences of the Presence of Degraded Illite on Oil Sands Extractability," Can.