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ILLITES [5 records]

Record 1 2012-03-07

English

Subject field(s)
  • Soil Science
  • Mineralogy
DEF

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).

OBS

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

OBS

hydromica: The term is practically synonymous with illite.

French

Domaine(s)
  • Science du sol
  • Minéralogie
DEF

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

OBS

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

Spanish

Save record 1

Record 2 2008-10-10

English

Subject field(s)
  • Tectonics
CONT

The rocks in the Pin Valley record a penetrative axial surface cleavage with contemporaneously recrystallized illites growing in cleavage domains.

OBS

axial surface cleavage: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Tectonique
OBS

clivage selon la surface axiale : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 2

Record 3 2008-09-20

English

Subject field(s)
  • Geophysics
CONT

A Rb-Sr isochron age of 1477... was obtained for illites from various deposits associated with the sub-Athabasca unconformity...

OBS

Rb/Sr isochron date: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Géophysique
CONT

Un âge par isochrone Rb-Sr de 1 477 [...] Ma a été obtenu pour des illites provenant de divers gîtes associés à la discordance qui marque la base de la séquence sédimentaire du bassin d'Athabasca [...]

OBS

âge isochrone Rb/Sr : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Key term(s)
  • âge par isochrone rubidium-strontium

Spanish

Save record 3

Record 4 1977-11-02

English

Subject field(s)
  • Mineralogy
OBS

In 1954 Jung described very pure clay minerals of the Oligocene lacustrine basin of Salins that were ferric illites. The proportion of Al in the tetrahedral sheet was one in ten.

French

Domaine(s)
  • Minéralogie
OBS

En 1954, Jung décrit dans le bassin lacustre oligocène de Salins, des phyllites très pures qui sont des illites ferriques. La proportion de Al dans la couche tétraédrique est de 1 pour 10.

Spanish

Save record 4

Record 5 1977-11-02

English

Subject field(s)
  • Mineralogy
OBS

Disordered glauconite, equivalent to the disordered illites. The structure of the layers is the same, but the stacking of these layers is disordered(1Md glauconite).

French

Domaine(s)
  • Minéralogie
OBS

La glauconite désordonnée, équivalente des illites désordonnées. La structure des feuillets est la même, mais les feuillets montrent un désordre dans leur empilement (...)

Spanish

Save record 5

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