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GENETIC CLASSIFICATION [1 record]

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Filter results by subject field

Alphabetical list of terms

Record 1 1992-12-03

English

Subject field(s)
  • Mineralogy
  • Petrography
DEF

Any classification based on manner of origin or line of descent.

CONT

Genetic classifications are set up to deal with fossils, rocks, and minerals.

CONT

A genetic classification of ores divides them into three classes: primary (or hypogene) formations; secondary (or supergene) formation; and, third, formations made by superficial alteration and enrichment of the rock.

French

Domaine(s)
  • Minéralogie
  • Pétrographie
CONT

(...) plus les connaissances progressent, plus les classifications génétiques s'avèrent inadaptables à un grand nombre de gisements.

CONT

La classification des roches métamorphiques est complexe car il n'existe pas, comme pour les roches magmatiques, de classification génétique où le nom rendrait compte de la genèse.

Spanish

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