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ECONOMIC GRADE [1 record]
Record 1 - internal organization data 2005-10-04
Record 1, English
Record 1, Subject field(s)
- Economic Geology
- Metals Mining
Record 1, Main entry term, English
- economic grade
1, record 1, English, economic%20grade
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- ore grade 2, record 1, English, ore%20grade
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The concentration of an element of interest in a potentially mineable ore deposit. 3, record 1, English, - economic%20grade
Record number: 1, Textual support number: 1 CONT
The late transgressive ultramafic-associated carbonatite at Palabora in South Africa, represents the only carbonatite of this class in which copper mineralization reaches economic grades ... 4, record 1, English, - economic%20grade
Record number: 1, Textual support number: 2 CONT
... if the near surface ore is only just of economic grade and much of the mineralization is supergene, then the ore below the zone of supergene enrichment may be uneconomic. 5, record 1, English, - economic%20grade
Record number: 1, Textual support number: 3 CONT
Antimony. Deposits of this metal that are of economic grade and quality are usually of relatively young age. 6, record 1, English, - economic%20grade
Record 1, French
Record 1, Domaine(s)
- Géologie économique
- Mines métalliques
Record 1, Main entry term, French
- teneur économique
1, record 1, French, teneur%20%C3%A9conomique
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- teneur marchande 2, record 1, French, teneur%20marchande
correct, feminine noun
- teneur rentable 3, record 1, French, teneur%20rentable
correct, feminine noun
- teneur commerciale 4, record 1, French, teneur%20commerciale
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Il y a lieu de distinguer trois sortes de teneurs dans une exploitation de minerai : la «teneur minéralogique», ou teneur dans le gisement [...]; la «teneur exploitable», [...] la «teneur marchande» qui est celle du minerai susceptible d'être vendu et que l'on obtient en enrichissant le minerai par des méthodes variées de préparation. 2, record 1, French, - teneur%20%C3%A9conomique
Record number: 1, Textual support number: 2 CONT
[...] nous constatons une divergence entre les conditions de concentration des éléments à des teneurs géochimiques et à des teneurs économiques : si les grands gisements de cuivre se trouvent [...] plus volontiers dans les sédiments marins que dans les sédiments continentaux, les concentrations économiques de vanadium [...] se situent généralement dans les séries continentales. 5, record 1, French, - teneur%20%C3%A9conomique
Record number: 1, Textual support number: 3 CONT
Teneurs économiques. En économie minière, on distingue : les teneurs d'exploitabilité [...]; les teneurs de coupure [...] 5, record 1, French, - teneur%20%C3%A9conomique
Record 1, Spanish
Record 1, Textual support, Spanish
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