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HEMO-ILMENITE [8 records]

Record 1 2006-12-06

English

Subject field(s)
  • Mineralogy
  • Geochemistry
CONT

The scale of the exsolved lamellae will depend on both the cooling rate and the initial composition of the solid solution.

CONT

The ilmenite carries up to 12% hematite as exsolution lamellae.

CONT

The magnetite is medium to coarse grained and contains ilmenite in very fine exsolved blades.

CONT

Hemo-ilmenite, the principal ore mineral at the Lac Tio and Tellnes deposits... hosted in anorthosites, is typically equigranular with coarse exsolution lamellae of hematite that constitute as much as 30 mole per cent of the grains...

Key term(s)
  • unmixing lamellae
  • exsolution lamellae
  • exsolved lamellae

French

Domaine(s)
  • Minéralogie
  • Géochimie
CONT

De manière typique, l'hémo-ilménite, principale phase métallifère des gisements de Lac Tio et de Tellnes [...] qui sont encaissés dans des anorthosites, est équigranulaire, avec de grosses lamelles d'exsolution d'hématite qui constituent jusqu'à 30 % (pourcentage molaire) des grains [...]

CONT

Lamelles d'hématite d'exsolution.

CONT

Lames d'hématite exsolvées.

Spanish

Save record 1

Record 2 2006-05-16

English

Subject field(s)
  • Petrography
  • Mineralogy
DEF

Said of the texture of a rock [or mineral] having crystals of the same or nearly the same size.

CONT

The typical porphyry copper deposit is a cylindrical stock-like, composite mass having an elongate or irregular outcrop..., often with an outer shell of equigranular medium-grained rock.

CONT

Hemo-ilmenite, the principal ore mineral at the Lac Tio and Tellnes deposits... is typically equigranular with coarse exsolution lamellae of hematite that constitute as much as 30 mole per cent of the grains...

PHR

Equigranular aggregate.

French

Domaine(s)
  • Pétrographie
  • Minéralogie
DEF

Se dit de la structure d'une roche [ou d'un minéral] dont les grains ont des tailles voisines.

CONT

De manière typique, l'hémo-ilménite, principale phase métallifère des gisements de Lac Tio et de Tellnes [...] est équigranulaire avec de grosses lamelles d'exsolution d'hématite qui constituent jusqu'à 30 % (pourcentage molaire) des grains [...]

PHR

Agrégat équigranulaire.

Spanish

Save record 2

Record 3 2003-12-11

English

Subject field(s)
  • Geochemistry
  • Erosion and Weathering (Geol.)
CONT

Hemo-ilmenite deposits... require relatively more oxidizing conditions of formation compared to the more reduced titanomagnetite deposits...

CONT

... phosphate deposits are light-coloured and thought to have been deposited under oxidizing conditions ...

French

Domaine(s)
  • Géochimie
  • Érosion et corrosion (Géologie)
CONT

Les gîtes d'hémo-ilménite [...] se forment dans des conditions relativement plus oxydantes que les gîtes de titanomagnétite [...]

Spanish

Save record 3

Record 4 2003-11-02

English

Subject field(s)
  • Geological Research and Exploration
  • Magnetic and Electromagnetic Prospecting
CONT

Massive ilmenite and hemo-ilmenite deposits... commonly have a distinctive negative magnetic anomaly...

French

Domaine(s)
  • Recherches et prospections géologiques
  • Prospection magnétique et électromagnétique
CONT

Les gîtes formés de minerai massif d'ilménite et d'hémo-ilménite [...] produisent généralement une anomalie magnétique «négative» d'aspect distinctif [...]

Spanish

Save record 4

Record 5 2003-11-01

English

Subject field(s)
  • Various Metal Ores
CONT

Lac Tio orebody is composed of a complex interconnected maze of sills and dykes of hemo-ilmenite.

French

Domaine(s)
  • Minerais divers (Mines métalliques)
CONT

Le gisement de Lac Tio est formé d'un réseau complexe de filons-couches et de dykes d'hémo-ilménite interreliés.

Spanish

Save record 5

Record 6 2003-10-31

English

Subject field(s)
  • Economic Geology
  • Mineralogy
CONT

The proportions of the common ore minerals, ilmenite, hemo-ilmenite, titaniferous magnetite, titanomagnetite, and magnetite vary greatly from one deposit or deposit type to another.

French

Domaine(s)
  • Géologie économique
  • Minéralogie
CONT

La proportion des minéraux métallifères communs, soit ilménite, hémo-ilménite, magnétite titanifère, titanomagnétite et magnétite, varie considérablement d'un gîte, ou type de gîte à un autre.

Spanish

Save record 6

Record 7 2003-10-31

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Geochemistry
CONT

Hemo-ilmenite, the principal ore mineral at the Lac Tio and Tellnes deposits... hosted in anorthosites, is typically equigranular with coarse exsolution lamellae of hematite that constitute as much as 30 mole per cent of the grains...

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Géochimie
CONT

De manière typique, l'hémo-ilménite, principale phase métallifère des gisements de Lac Tio et de Tellnes [...] qui sont encaissés dans des anorthosites, est équigranulaire avec de grosses lamelles d'exsolution d'hématite qui constituent jusqu'à 30 % (pourcentage molaire) des grains [...]

Spanish

Save record 7

Record 8 2003-10-17

English

Subject field(s)
  • Mineralogy
OBS

A solid solution of FeTiO3-Fe[subscript 2O3.

French

Domaine(s)
  • Minéralogie
OBS

Solution solide FeTiO3 [ilménite]-Fe2O3 [hématite].

Spanish

Save record 8

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