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SILICIFICATION [1 record]
Record 1 - internal organization data 2004-07-12
Record 1, English
Record 1, Subject field(s)
- Erosion and Weathering (Geol.)
- Geochemistry
Record 1, Main entry term, English
- silicification
1, record 1, English, silicification
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- silification 2, record 1, English, silification
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The introduction of, or replacement by, silica, generally resulting in the formation of fine-grained quartz, chalcedony, or opal, which may both fill pores and replace existing minerals. 2, record 1, English, - silicification
Record number: 1, Textual support number: 1 CONT
In the course of wall rock alteration and skarn development, the hydrothermal solutions react most extensively with the carbonate rocks, resulting in an increase in their pH, silicification of the wall rock ... 3, record 1, English, - silicification
Record number: 1, Textual support number: 1 OBS
The term covers all varieties of such processes as late diagenetic. 2, record 1, English, - silicification
Record 1, French
Record 1, Domaine(s)
- Érosion et corrosion (Géologie)
- Géochimie
Record 1, Main entry term, French
- silicification
1, record 1, French, silicification
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- altération à silice 2, record 1, French, alt%C3%A9ration%20%C3%A0%20silice
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Remplacement total ou partiel des roches et des fossiles par la silice (sous forme de quartz, de calcédoine, etc.). 3, record 1, French, - silicification
Record number: 1, Textual support number: 1 CONT
Cette mobilité de la silice est caractéristique de ces climats hydrolysants. Ceci entraîne la formation de croûtes ou nodules siliceux à quelques mètres de la surface. Il existe aussi des dalles de quartzite à la surface du sidérolithique; ici se situe une silicification en table [...] 4, record 1, French, - silicification
Record number: 1, Textual support number: 2 CONT
Durant l'altération des roches encaissantes et la skarnification, les solutions hydrothermales réagissent préférentiellement avec les roches carbonatées, ce qui entraîne une augmentation de leur pH, une silicification des roches encaissantes [...] 2, record 1, French, - silicification
Record 1, Spanish
Record 1, Textual support, Spanish
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