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IRON GOSSAN [1 record]
Record 1 - internal organization data 2011-07-28
Record 1, English
Record 1, Subject field(s)
- Iron and Manganese Mining
Record 1, Main entry term, English
- gossan
1, record 1, English, gossan
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- gozzan 2, record 1, English, gozzan
correct
- gossan cap 3, record 1, English, gossan%20cap
correct
- capping 4, record 1, English, capping
correct, see observation
- iron hat 5, record 1, English, iron%20hat
correct
- colorados 6, record 1, English, colorados
correct, see observation
- gossan deposit 3, record 1, English, gossan%20deposit
- pacos ore 4, record 1, English, pacos%20ore
see observation
- rabban 7, record 1, English, rabban
rare
- iron gossan 8, record 1, English, iron%20gossan
- iron cap 8, record 1, English, iron%20cap
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
An iron-bearing cover overlying a sulfide deposit and consisting essentially of a mass of hydrated iron oxides left by percolating waters. 2, record 1, English, - gossan
Record number: 1, Textual support number: 1 CONT
Goethite is the major constituent of the gossan at the surface of metalliferous veins ... 9, record 1, English, - gossan
Record number: 1, Textual support number: 1 OBS
The Cornish term "gossan" is applied to chemically weathered, iron-stained outcrops of sulfide mineral deposits. Synonyms include the French "chapeau de fer", the German "eiserner Hut", and the Spanish "colorados". The term "pacos ore" is used in Bolivia for gossans over tin veins that are residually enriched in cassiterite. Most workers reserve the term "capping" for gossans over disseminated sulfide deposits of the porphyry copper type. 4, record 1, English, - gossan
Record number: 1, Textual support number: 1 PHR
Radioactive, supergene gossan. 3, record 1, English, - gossan
Record 1, French
Record 1, Domaine(s)
- Mines de fer et de manganèse
Record 1, Main entry term, French
- chapeau de fer
1, record 1, French, chapeau%20de%20fer
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- chapeau d'oxydation 2, record 1, French, chapeau%20d%27oxydation
correct, masculine noun
- chapeau oxydé 3, record 1, French, chapeau%20oxyd%C3%A9
correct, masculine noun
- chapeau ferrugineux 4, record 1, French, chapeau%20ferrugineux
correct, masculine noun
- colorados 5, record 1, French, colorados
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Zone ferrifère recouvrant un gisement sulfuré et constituée d'oxydes de fer laissés par les eaux de percolation. 6, record 1, French, - chapeau%20de%20fer
Record number: 1, Textual support number: 1 CONT
Les constituants ferrugineux, et avant tout la pyrite, minéral dominant dans la plupart des gisements sulfurés, se transforment en limonite, sur place ou avec une certaine migration. Celle-ci mêlée au quartz peu attaqué et surtout à de la silice secondaire précipitée à l'état concrétionné, constitue le classique «chapeau de fer» («gossan», en anglais) de beaucoup de gîtes métalliques. La structure est souvent cariée et vacuolaire, ou typiquement cloisonnée. 5, record 1, French, - chapeau%20de%20fer
Record number: 1, Textual support number: 2 CONT
Lorsqu'un gisement d'origine magmatique, métamorphique, sédimentaire ou filonienne vient à affleurer, on observe sous l'influence de ces eaux une zone d'oxydation où les sulfures font place aux oxydes ou même aux métaux natifs. L'aspect de cette zone est souvent caractérisé par les oxydes de fer [...] d'où le nom de «chapeau de fer» qui lui a été attribué. 7, record 1, French, - chapeau%20de%20fer
Record number: 1, Textual support number: 3 CONT
Chapeaux oxydés. Dans la partie supérieure d'un corps minéralisé, par exemple un filon, entre la surface de la nappe phréatique et la surface du sol existe une zone aérée où percolent des eaux chargées d'oxygène et de gaz carbonique. Dans cette zone, le filon est oxydé; il y a formation de sulfates et d'hydroxydes ferriques. 3, record 1, French, - chapeau%20de%20fer
Record number: 1, Textual support number: 1 PHR
Chapeau de fer radioactif, supergène. 8, record 1, French, - chapeau%20de%20fer
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Minas de hierro y de manganeso
Record 1, Main entry term, Spanish
- colorados
1, record 1, Spanish, colorados
masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- sombrero de hierro 1, record 1, Spanish, sombrero%20de%20hierro
masculine noun
- montera 1, record 1, Spanish, montera
feminine noun
Record 1, Textual support, Spanish
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