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ZONE ALTERATION [1 record]
Record 1 - internal organization data 2003-12-11
Record 1, English
Record 1, Subject field(s)
- Metals Mining
- Geochemistry
- Erosion and Weathering (Geol.)
Record 1, Main entry term, English
- alteration zone
1, record 1, English, alteration%20zone
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- zone of alteration 2, record 1, English, zone%20of%20alteration
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Hydrothermal alteration of ore deposits is interpreted by Hemley and Jones (1964) as a process of hydrogen metasomatism, by which hydrogen ions are added to the rock, a mole equivalent of cations is released, and the (OH-/H+) ratio in the solution is increased. ... In general, alteration zones display a net loss of base equivalents (metal cations). 3, record 1, English, - alteration%20zone
Record number: 1, Textual support number: 2 CONT
Geological mapping of alteration zones near Cu Zn deposits in the Noranda area in Quebec. 4, record 1, English, - alteration%20zone
Record number: 1, Textual support number: 3 CONT
Like the alteration, the mineralization also occurs in concentric zones ... According to Lowell & Guilbert the zones of mineralization may be outlined as follows. (a) Innermost alteration zone. ... (b) Inner alteration zone. ... (c) Intermediate alteration zone. ... (d) Outer alteration zone. 2, record 1, English, - alteration%20zone
Record 1, French
Record 1, Domaine(s)
- Mines métalliques
- Géochimie
- Érosion et corrosion (Géologie)
Record 1, Main entry term, French
- zone d'altération
1, record 1, French, zone%20d%27alt%C3%A9ration
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Dans les parties comprimées de la voûte les fissures ont tendance à se refermer, l'altération est réduite ainsi que la tendance à la fragmentation. Au cours de la reconnaissance du dépôt, il faut une zone d'altération précise qu'on sait être au contact des veines. 2, record 1, French, - zone%20d%27alt%C3%A9ration
Record number: 1, Textual support number: 2 CONT
En étudiant les zones d'altération à côté de gisements de minéraux connus, le prospecteur apprend à reconnaître les genres les plus usuels [...] 3, record 1, French, - zone%20d%27alt%C3%A9ration
Record number: 1, Textual support number: 1 OBS
altération: Transformation chimique des constituants des roches sous l'action d'agents externes. 2, record 1, French, - zone%20d%27alt%C3%A9ration
Record 1, Spanish
Record 1, Textual support, Spanish
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