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HYDROUS MICAS [1 record]

Record 1 2012-03-07


Subject field(s)
  • Soil Science
  • Mineralogy

A general name for a group of three-layer, mica-like clay minerals that are widely distributed in argillaceous sediments (especially in marine shales and in soils derived from them).


The relation of illite to similar or identical material known variously as hydromica, hydrous mica, hydromuscovite, and hydrated mica group is not clearly established.


hydromica: The term is practically synonymous with illite.


  • Science du sol
  • Minéralogie

Minéraux argileux de structure voisine de celle de la muscovite moins riches en potassium et plus hydratés.


Ces minéraux argileux possédant de remarquables propriétés absorbantes, les anciens pétrographes les désignaient sous le nom de terre à foulon.


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