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ANDALUSITE [8 records]

Record 1 2017-04-20

English

Subject field(s)
  • Mineralogy
CONT

Andalusite porphyroblasts are well developed in the Hongusan area and their microstructure can be used to link the deformational history with the metamorphism.

OBS

andalusite porphyroblast: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Minéralogie
CONT

L'ilménite zincifère subsiste surtout au cœur de porphyroblastes syntectoniques d'andalousite.

OBS

porphyroblaste d'andalousite : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 1

Record 2 2016-05-24

English

Subject field(s)
  • Petrography
  • Mineralogy
DEF

A compact, contact-metamorphic rock containing andalusite. It is usually produced by the metamorphism of shale or slate by intrusions of granite.

OBS

hornstone: It has been used to describe flint or chert as well as hornfels, and has also been confused with hornblende. The term should be abandoned.

French

Domaine(s)
  • Pétrographie
  • Minéralogie
CONT

La zone des cornéennes à andalousite où la schistosité s'efface pour donner une roche massive, dure, finement cristallisée d'aspect corné avec des cristaux d'andalousite particulièrement abondants.

Spanish

Save record 2

Record 3 2011-12-22

English

Subject field(s)
  • Mineralogy
  • Geology
CONT

The andalusite zone ... is marked by the appearance of andalusite in schist. ... The transition from the andalusite zone to the sillimanite zone ... is generally marked by the appearance of sillimanite as elongate fibrolite mats or prismatic crystals that, like some of the andalusite crystals in the andalusite zone, define a preferred orientation parallel to the regional fold axes.

OBS

andalusite zone: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Minéralogie
  • Géologie
CONT

L' importance de la zone de la chlorite et la présence de grenat et de staurotide dans la zone de l'andalousite, indiquent des conditions de pression plus élevées que celles du type Abukuma.

OBS

zone à andalousite : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 3

Record 4 2011-07-21

English

Subject field(s)
  • Mineralogy
Universal entry(ies)
Al2SiO5
formula, see observation
DEF

A brown, yellow, green, red, or gray orthorhombic mineral [which] is trimorphous with kyanite and sillimanite.

CONT

Andalusite occurs in thick, nearly square prisms in schists, gneisses, and hornfelses; it forms at medium temperatures and pressures of a regionally metamorphosed sequence and is characteristic of contact-metamorphosed argillaceous rocks.

OBS

Chemical formula: Al2SiO5

French

Domaine(s)
  • Minéralogie
Entrée(s) universelle(s)
Al2SiO5
formula, see observation
DEF

Minéral du système orthorhombique constitué d'un nésosilicate d'alumine, se présentant en cristaux gris clair ou rosés.

CONT

L'andalousite s'altère difficilement et est fréquente dans les roches très métamorphisées. Ainsi au contact d'un granite, un schiste peut contenir ce type d'aluminosilicate.

OBS

Étymologie : d'Andalousie (Espagne).

OBS

Formule chimique : Al2SiO5

Spanish

Campo(s) temático(s)
  • Mineralogía
Entrada(s) universal(es)
Al2SiO5
formula, see observation
DEF

Una de las tres formas que puede adoptar el silicato anhidro de aluminio [...], propio de las rocas aluminíferas y arcillosas que han sido metamorfizadas al contacto con magmas de fusión.

OBS

Fórmula química: Al2SiO5

Save record 4

Record 5 2010-12-30

English

Subject field(s)
  • Mineralogy
  • Cartography
CONT

The transition from kyanite to andalusite is known as the andalusite isograd, while the transition from andalusite to sillimanite is called the sillimanite isograd.

CONT

[The metamorphic] pattern is subdivided by three significant isograds: (i) the andalusite isograd, along which andalusite developed from hydrous mineral assemblages; (ii) a kyanite isograd, along which kyanite developed from hydrous mineral assemblages; and (iii) an andalusite-kyanite isograd, dividing the andalusite and kyanite zones ...

OBS

andalusite isograd: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Minéralogie
  • Cartographie
OBS

isograde de l'andalousite : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 5

Record 6 2010-09-22

English

Subject field(s)
  • Petrography
OBS

andalusite-amphibolite facies rock: term used at Natural Resources Canada - Earth Sciences Sector.

Key term(s)
  • andalusite amphibolite facies rock

French

Domaine(s)
  • Pétrographie
OBS

roche du faciès des amphibolites à andalousite : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 6

Record 7 2010-09-22

English

Subject field(s)
  • Mineralogy
  • Geology
OBS

andalusite-sillimanite zone: term used at Natural Resources Canada - Earth Sciences Sector.

Key term(s)
  • andalusite sillimanite zone

French

Domaine(s)
  • Minéralogie
  • Géologie
OBS

zone à andalousite-sillimanite : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 7

Record 8 2006-01-06

English

Subject field(s)
  • Petrography

French

Domaine(s)
  • Pétrographie
CONT

Le schiste à andalousite est une roche para-métamorphique typique provenant d'un métamorphisme de contact [...] L'andalousite [...] est un orthosilicate d'aluminium [...]

Spanish

Save record 8

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