TERMIUM Plus®

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CROSSVEIN [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2005-06-06

English

Subject field(s)
  • Various Metal Ores
DEF

... a vein which crosses the bedding planes of strata.

CONT

... the majority of ore deposits occur in metamorphosed host rocks. Among these deposits the substantial proportion ... have been involved in the metamorphic episode(s) and consequently their texture and mineralogy may be considerably modified, often to the advantage of mineral separation processes. In addition, parts of the orebody may be mobilized and epigenetic features, such as cross-cutting veins, may be imposed on a syngenetic deposit.

French

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

Si ces prolongements [apophyses émises par des laccolites] s'insinuent entre les lits des roches sédimentaires encaissantes, ce sont des filons-couches ou sills par opposition aux filons transverses qui recoupent obliquement les plans de stratification.

Spanish

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Record 2 1997-12-16

English

Subject field(s)
  • Economic Geology
OBS

A vein that crosses or intersects an older, a larger, or a more productive vein.

OBS

A vein or lode that intersects another, larger or more important one.

French

Domaine(s)
  • Géologie économique
OBS

L'âge relatif de deux filons qui se coupent est facilement déterminé si l'un décroche l'autre : celui-là est plus récent que celui-ci. Assez souvent, les nouveaux filons, ou «croiseurs», moins importants que les anciens, produisent cependant dans ceux-ci des enrichissements à l'intersection, par suite de remises en mouvement chimiques du remplissage, aboutissant à une concentration plus accentuée.

Spanish

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