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VOUGH [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2016-03-07

English

Subject field(s)
  • Geology
  • Metals Mining
DEF

A small cavity in a vein or in rock, which may be lined with well formed crystals of a different mineral composition from the enclosing rock.

CONT

The vugs are commonly almond-shaped and range in size from 10 cm. down to microscopic dimensions.

CONT

Breccia ores are developed along fault zones and are composed of broken bedded ore fragments less than a centimetre to several metres in size cemented by sandy material and contain vugs filled with colloform secondary iron and manganese oxide minerals or quartz.

OBS

bug hole: A miner's term for vug.

OBS

Compare to "druse," "miarolitic cavity," and "geode."

French

Domaine(s)
  • Géologie
  • Mines métalliques
DEF

Cavité à l'intérieur d'une roche, pouvant être tapissée de minéraux.

CONT

L'imprégnation de laves - dans des vacuoles - représente un remplissage de ces vacuoles; exemple : cuivre natif et zéolites au Lac Supérieur [...]

CONT

Les vacuoles sont [...] emplies par les minéraux variés (silice, calcite, et parfois zéolites).

CONT

[...] le cuivre [...] se concentre secondairement dans les vacuoles lors d'une phase d'altération hydrothermale.

Spanish

Campo(s) temático(s)
  • Geología
  • Minas metálicas
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