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HYDROTHERMAL METASOMATISM [4 records]
Record 1 - internal organization data 2011-05-17
Record 1, English
Record 1, Subject field(s)
- Thermal Springs - Uses
- Geochemistry
Record 1, Main entry term, English
- hydrothermal metamorphism
1, record 1, English, hydrothermal%20metamorphism
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- hydrothermal metasomatism 2, record 1, English, hydrothermal%20metasomatism
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
[The] alteration of rock by hot waters or gases associated with a magmatic source. 3, record 1, English, - hydrothermal%20metamorphism
Record number: 1, Textual support number: 1 OBS
hydrothermal metamorphism: term used at Natural Resources Canada - Earth Sciences Sector. 4, record 1, English, - hydrothermal%20metamorphism
Record 1, French
Record 1, Domaine(s)
- Thermalisme
- Géochimie
Record 1, Main entry term, French
- métamorphisme hydrothermal
1, record 1, French, m%C3%A9tamorphisme%20hydrothermal
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- métasomatisme hydrothermal 2, record 1, French, m%C3%A9tasomatisme%20hydrothermal
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Métamorphisme lié à la circulation de fluides chauds, provoquant des changements dans la nature minéralogique des roches. 3, record 1, French, - m%C3%A9tamorphisme%20hydrothermal
Record number: 1, Textual support number: 1 CONT
Si la notion d'un apport dans le métamorphisme s'est imposée très tôt à l'esprit des chercheurs, il semble qu'il faille la cantonner aujourd'hui au seul métamorphisme hydrothermal. Les premiers rapprochements ont été faits avec les fumerolles volcaniques génératrices de minéraux alors qu'elles sont encore gazeuses [...] ou aqueuses [...] 4, record 1, French, - m%C3%A9tamorphisme%20hydrothermal
Record number: 1, Textual support number: 1 OBS
métamorphisme hydrothermal : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre. 5, record 1, French, - m%C3%A9tamorphisme%20hydrothermal
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Fuentes termales - usos
- Geoquímica
Record 1, Main entry term, Spanish
- metamorfismo hidrotermal
1, record 1, Spanish, metamorfismo%20hidrotermal
masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2006-12-05
Record 2, English
Record 2, Subject field(s)
- Mineralogy
- Geochemistry
Record 2, Main entry term, English
- REE mineralization
1, record 2, English, REE%20mineralization
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
REE mineralization(i. e., bastnaesite, florencite, monazite, xenotime, and britholite) is associated with extensive hydrothermal alteration and metasomatism. 1, record 2, English, - REE%20mineralization
Record number: 2, Textual support number: 1 OBS
REE: Rare Earth Elements. 2, record 2, English, - REE%20mineralization
Record 2, Key term(s)
- rare-earth-element mineralization
Record 2, French
Record 2, Domaine(s)
- Minéralogie
- Géochimie
Record 2, Main entry term, French
- minéralisation d'ÉTR
1, record 2, French, min%C3%A9ralisation%20d%27%C3%89TR
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- minéralisation de ÉTR 1, record 2, French, min%C3%A9ralisation%20de%20%C3%89TR
correct, feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
La minéralisation d'ÉTR (bastnaésite, florensite, monazite, xénotime et britholite) est associée à une altération hydrothermale et à un métasomatisme de grande étendue. 1, record 2, French, - min%C3%A9ralisation%20d%27%C3%89TR
Record 2, Key term(s)
- minéralisation d'éléments de terres rares
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2005-08-02
Record 3, English
Record 3, Subject field(s)
- Petrography
Record 3, Main entry term, English
- precursor lithology
1, record 3, English, precursor%20lithology
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
Other school of thought interpret sedimentary textures of the bedded ores to represent pseudomorphs of precursor lithologies formed by selective replacement of the host sediments by hydrothermal metasomatism just below the seafloor. 1, record 3, English, - precursor%20lithology
Record 3, French
Record 3, Domaine(s)
- Pétrographie
Record 3, Main entry term, French
- lithologie préexistante
1, record 3, French, lithologie%20pr%C3%A9existante
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
Selon d'autres écoles de pensée, les textures sédimentaires du minerai stratifié seraient des pseudomorphes de celles présentes dans des lithologies préexistantes et auraient été produites par un remplacement sélectif des sédiments hôtes au cours d'un métasomatisme hydrothermal qui se serait produit juste au-dessous du fond marin. 1, record 3, French, - lithologie%20pr%C3%A9existante
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2003-12-11
Record 4, English
Record 4, Subject field(s)
- Metals Mining
- Geochemistry
- Erosion and Weathering (Geol.)
Record 4, Main entry term, English
- alteration zone
1, record 4, English, alteration%20zone
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
- zone of alteration 2, record 4, English, zone%20of%20alteration
correct
Record 4, Textual support, English
Record number: 4, 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 4, English, - alteration%20zone
Record number: 4, Textual support number: 2 CONT
Geological mapping of alteration zones near Cu Zn deposits in the Noranda area in Quebec. 4, record 4, English, - alteration%20zone
Record number: 4, 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 4, English, - alteration%20zone
Record 4, French
Record 4, Domaine(s)
- Mines métalliques
- Géochimie
- Érosion et corrosion (Géologie)
Record 4, Main entry term, French
- zone d'altération
1, record 4, French, zone%20d%27alt%C3%A9ration
correct, feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, 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 4, French, - zone%20d%27alt%C3%A9ration
Record number: 4, 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 4, French, - zone%20d%27alt%C3%A9ration
Record number: 4, Textual support number: 1 OBS
altération: Transformation chimique des constituants des roches sous l'action d'agents externes. 2, record 4, French, - zone%20d%27alt%C3%A9ration
Record 4, Spanish
Record 4, Textual support, Spanish
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