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GABBRO INTRUSION [4 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2003-12-11

English

Subject field(s)
  • Petrography
OBS

anorthosite: A plutonic rock composed mainly of plagioclase feldspar ...

CONT

This host intrusion is composed of almost pure plagioclase anorthosite to gabbroic anorthosite, norite, ilmenite-rich anorthosite, and gabbro.

French

Domaine(s)
  • Pétrographie
OBS

anorthosite : Roche plutonique presque entièrement constituée de plagioclases.

OBS

[...] des anorthosites à plus de 65 % de plagioclases, des norites ou gabbros à hypersthène (50 % plagioclase environ) et des troctolites ou gabbros à olivine (50 % plagioclase environ).

Spanish

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Record 2 2003-11-17

English

Subject field(s)
  • Metals Mining
  • Geomorphology and Geomorphogeny
DEF

The rocks situated under a deposit or other strata.

CONT

The orebodies occur in the sublayer which is clearly a later intrusion than the overlying norite with which it has a sharp contact. The sublayer magma was rich in sulphides and inclusions, of peridotite, pyroxenite and gabbro.

CONT

Sudbury ... possesses a sublayer rich in ultrabasic xenoliths probably derived from a hidden layered sequence.

French

Domaine(s)
  • Mines métalliques
  • Géomorphologie et géomorphogénie
CONT

Ce sont des gîtes d'éluvion [...] où le lessivage des couches supérieures provoque la formation d'incrustations, de concrétions ou de cimentation dans les couches sous-jacentes [...]

Spanish

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Record 3 2003-10-01

English

Subject field(s)
  • Geological and Other Scientific Names
  • Petrography
OBS

South of Thunder Bay in Ontario, the Crystal Lake gabbro is a small intrusion that appears to be a northern satellite of the Duluth Complex.

French

Domaine(s)
  • Noms géologiques ou scientifiques
  • Pétrographie
OBS

Le gabbro de Crystal Lake, au sud de Thunder Bay, en Ontario, est une petite intrusion qui semble être un satellite septentrional du Complexe de Duluth.

Spanish

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Record 4 1997-04-02

English

Subject field(s)
  • Mineralogy
CONT

This host intrusion is composed of almost pure plagioclase anorthosite to gabbroic anorthosite, norite ilmenite-rich anorthosite, and gabbro.

French

Domaine(s)
  • Minéralogie
OBS

anorthosite : Roche plutonique presque entièrement constituée de plagioclases.

Spanish

Save record 4

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