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WALLROCK ALTERATION [1 record]
Record 1 - internal organization data 2011-08-17
Record 1, English
Record 1, Subject field(s)
- Erosion and Weathering (Geol.)
- Petrography
- Geochemistry
Record 1, Main entry term, English
- wall-rock alteration
1, record 1, English, wall%2Drock%20alteration
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- wallrock alteration 2, record 1, English, wallrock%20alteration
correct
- wall rock alteration 3, record 1, English, wall%20rock%20alteration
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Changes which affect the enclosing rocks adjacent to hydrothermal ore deposits. 4, record 1, English, - wall%2Drock%20alteration
Record number: 1, Textual support number: 1 CONT
Wall rock alteration. Frequently alongside veins or around irregularly shaped orebodies we find alteration of the country rocks. This may take the form of colour, textural, mineralogical or chemical changes, or any combination of these. ... the higher the temperature of deposition of the ore minerals the more intense is the alteration. This alteration, which shows a spatial and usually a close temporal relationship to ore deposits, is called wall rock alteration. 5, record 1, English, - wall%2Drock%20alteration
Record 1, French
Record 1, Domaine(s)
- Érosion et corrosion (Géologie)
- Pétrographie
- Géochimie
Record 1, Main entry term, French
- altération des roches encaissantes
1, record 1, French, alt%C3%A9ration%20des%20roches%20encaissantes
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
La dissolution, la recristallisation et la bréchification des roches hôtes carbonatées [...] sont des éléments communs de pratiquement tous les gîtes de type Mississippi-Valley. Ces effets, qui s'accompagnent d'une silicification et d'une dolomitisation, constituent la principale forme d'altération des roches encaissantes dans les districts à minéralisations de [ce type]. 2, record 1, French, - alt%C3%A9ration%20des%20roches%20encaissantes
Record 1, Spanish
Record 1, Textual support, Spanish
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