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FERRUGINOUS CONCRETION [1 record]
Record 1 - internal organization data 1997-09-17
Record 1, English
Record 1, Subject field(s)
- Iron and Manganese Mining
- Geochemistry
Record 1, Main entry term, English
- ferruginous concretion
1, record 1, English, ferruginous%20concretion
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- perdigon 2, record 1, English, perdigon
obsolete
- shrave 2, record 1, English, shrave
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
[A concretion], composed mainly of iron oxide, deposited in the lower part of A horizon and in the upper part of B horizon. 3, record 1, English, - ferruginous%20concretion
Record 1, French
Record 1, Domaine(s)
- Mines de fer et de manganèse
- Géochimie
Record 1, Main entry term, French
- concrétion ferrugineuse
1, record 1, French, concr%C3%A9tion%20ferrugineuse
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
L'oxyde de fer [...] sous forme ferrique [...] forme un revêtement cristallin autour des grains de sable pouvant aller jusqu'au concrétionnement [...] Les concrétions ferrugineuses modifient le caractère du sous-sol, le rendent cohérent, imperméable et infertile; mises à jour par décapage, elles apparaissent comme des roches de néoformation. 2, record 1, French, - concr%C3%A9tion%20ferrugineuse
Record number: 1, Textual support number: 2 CONT
Des argiles de néoformation [...], des concrétions ferrugineuses (goethite) et de l'alumine libre (gibbsite, diaspore) caractérisent les horizons moyens. 3, record 1, French, - concr%C3%A9tion%20ferrugineuse
Record number: 1, Textual support number: 3 CONT
La latérite est le produit de la décomposition en surface de la roche primitive sous l'action [...] de l'humidité chaude des climats tropicaux; à la surface, il s'est formé des concrétions brunes ferrugineuses : cuirasse et grenailles, et, en dessous, on trouve des silts [...] constituant la latérite proprement dite [...] 4, record 1, French, - concr%C3%A9tion%20ferrugineuse
Record 1, Spanish
Record 1, Textual support, Spanish
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