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chemical sedimentation [1 record]
Record 1 - internal organization data 2005-03-08
Record 1, English
Record 1, Subject field(s)
- Geochemistry
- Geology
Record 1, Main entry term, English
- chemical sedimentation
1, record 1, English, chemical%20sedimentation
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Chemical sedimentation in open and restricted circulation conditions. 2, record 1, English, - chemical%20sedimentation
Record number: 1, Textual support number: 2 CONT
Some components of the gold-bearing BIF [banded iron formation] were deposited during chemical sedimentation.... 3, record 1, English, - chemical%20sedimentation
Record 1, French
Record 1, Domaine(s)
- Géochimie
- Géologie
Record 1, Main entry term, French
- sédimentation chimique
1, record 1, French, s%C3%A9dimentation%20chimique
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
[Sédimentation] par précipitation de substances en solution dans l'eau (éventuellement biochimique, si des organismes catalysent la réaction). 2, record 1, French, - s%C3%A9dimentation%20chimique
Record number: 1, Textual support number: 1 CONT
La sédimentation biochimique, ou chimique pure dépose les éléments soustraits par l'altération aux masses continentales et entraînés par les eaux courantes. Exemple : sur les plates-formes épicontinentales stables, dépôt sédimentaire de grandes concentrations d'oxydes de fer (ex. Lorraine), de manganèse (Caucase, Ukraine). 3, record 1, French, - s%C3%A9dimentation%20chimique
Record number: 1, Textual support number: 2 CONT
Selon Heinrich Holland, de Harvard, ces formations de fer rubané [...] résultent d'une sédimentation chimique : de l'oxyde ferrique a précipité quand de l'eau de mer froide [...] est entrée en contact avec des eaux de surface très oxygénées. 4, record 1, French, - s%C3%A9dimentation%20chimique
Record number: 1, Textual support number: 3 CONT
Tant que dure la forêt, la sédimentation ne pourra être qu'une sédimentation chimique ou biochimique (sédiments carbonatés ou siliceux), à partir des éléments de la phase migratrice. 3, record 1, French, - s%C3%A9dimentation%20chimique
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Geoquímica
- Geología
Record 1, Main entry term, Spanish
- sedimentación química
1, record 1, Spanish, sedimentaci%C3%B3n%20qu%C3%ADmica
feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Proceso que origina la formación de algunas rocas sedimentarias por precipitación y sobresaturación. 2, record 1, Spanish, - sedimentaci%C3%B3n%20qu%C3%ADmica
Record number: 1, Textual support number: 1 CONT
Las rocas sedimentarias de génesis química tienen textura análoga a la de las rocas ígneas intrusivas y a la de algunas metamórficas, puesto que se originan por precipitación de substancias de una solución sobresaturada, seguida por lo general de reacciones, a menudo de carácter metasomático, del material sólido con las aguas intersticiales, recristalización y aumento progresivo del tamaño de los cristales durante la diagénesis. 3, record 1, Spanish, - sedimentaci%C3%B3n%20qu%C3%ADmica
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