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The Government of Canada’s terminology and linguistic data bank.
FRONT ALTERATION [3 records]
Record 1 - internal organization data 2011-05-18
Record 1, English
Record 1, Subject field(s)
- Geomorphology and Geomorphogeny
Record 1, Main entry term, English
- weathering front
1, record 1, English, weathering%20front
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
So a soil represents a "weathering front" that moves downward through the bedrock, altering bedrock to soil as it goes, while the landscape is simultaneously lowered by erosion. 1, record 1, English, - weathering%20front
Record 1, French
Record 1, Domaine(s)
- Géomorphologie et géomorphogénie
Record 1, Main entry term, French
- front d'altération
1, record 1, French, front%20d%27alt%C3%A9ration
masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Discontinuité souvent irrégulière et plus ou moins marquée qui a pour effet de séparer la roche saine des altérites. 2, record 1, French, - front%20d%27alt%C3%A9ration
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1996-07-25
Record 2, English
Record 2, Subject field(s)
- Radioactive Ores (Mining)
Record 2, Main entry term, English
- roll
1, record 2, English, roll
correct, noun
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A roughly cylindrical distribution of uranium mineralization occurring usually in the Salt Wash sandstone. 2, record 2, English, - roll
Record number: 2, Textual support number: 1 CONT
This uranium would migrate through the basin of deposition to be lost in the sea unless it came into contact with reducing conditions in the organic-rich sediment a short distance beneath the sediment-water interface ... The interface, or redox boundary, between the oxidized and reduced rocks has, in cross-section, the shape of a crudely crescentic envelope or roll, the leading edge of which cuts across the host strata ... and points down dip towards reduced ground that still contains authigenic iron disulphides. 3, record 2, English, - roll
Record 2, French
Record 2, Domaine(s)
- Minerais radioactifs (Mines métalliques)
Record 2, Main entry term, French
- roll
1, record 2, French, roll
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Dans le Bassin de Powder River(Wyoming), apparaissent deux types d’altération : rouge, hématitique et oxydée, et blanche, «lessivée» et riche en argile. L'altération rouge est directement associée avec les minéralisations en uranium de type «rolls». Elle résulte de la migration d’un front de roll, à travers les grès, dans la direction du gradient hydraulique, la plupart des gisements se situant au contact des grès oxydés et des grès inaltérés réducteurs. 1, record 2, French, - roll
Record number: 2, Textual support number: 2 CONT
[...] la genèse d’un gisement peut être compliquée de remaniements successifs, à des distances variables du site d’origine [...] Certains phénomènes de pénéconcordance, les rolls des gîtes d’uranium par exemple, peuvent être provoqués par de tels remaniements. 1, record 2, French, - roll
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1996-04-30
Record 3, English
Record 3, Subject field(s)
- Radioactive Ores (Mining)
Record 3, Main entry term, English
- roll-front
1, record 3, English, roll%2Dfront
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
Location map of western U.S.A. uranium deposits, including the Salt Wash, humate, and Wyoming basin roll-front ores ... "Stop-action" diagram of a roll-front uranium deposit advancing to the right. Groundwater moves through the roll-front, which advances slowly downdip at a rate determined by the oxidative capacity of the solution versus the reductive capacity of the permeable host rock. 2, record 3, English, - roll%2Dfront
Record 3, French
Record 3, Domaine(s)
- Minerais radioactifs (Mines métalliques)
Record 3, Main entry term, French
- front de roll
1, record 3, French, front%20de%20roll
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
Dans le Bassin de Powder River(Wyoming), apparaissent deux types d’altération : rouge, hématitique et oxydée, et blanche, «lessivée» et riche en argile. L'altération rouge est directement associée avec les minéralisations en uranium de type «rolls». Elle résulte de la migration d’un front de roll, à travers les grès, dans la direction du gradient hydraulique, la plupart des gisements se situant au contact des grès oxydés et des grès inaltérés réducteurs. 1, record 3, French, - front%20de%20roll
Record 3, Spanish
Record 3, Textual support, Spanish
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