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IRON-FORMATION LAKE SUPERIOR TYPE [1 record]
Record 1 - internal organization data 2005-02-08
Record 1, English
Record 1, Subject field(s)
- Iron and Manganese Mining
Record 1, Main entry term, English
- Lake Superior-type iron-formation
1, record 1, English, Lake%20Superior%2Dtype%20iron%2Dformation
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- iron-formation of Lake Superior type 1, record 1, English, iron%2Dformation%20of%20Lake%20Superior%20type
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Lake Superior-type iron-formation are chemically precipitated (hydrolithic) banded sedimentary rocks composed of iron oxide, quartz (chert), silicate, carbonate, and sulphide lithofacies that were deposited along Paleoproterozoic craton margins, on marine continental shelves, and in shallow rift basins. 1, record 1, English, - Lake%20Superior%2Dtype%20iron%2Dformation
Record number: 1, Textual support number: 2 CONT
Iron-formations of Lake Superior type have been the principal sources of iron ore throughout the world for more than a century. They formed in shelf and platformal basins along the margins of Early to Middle Proterozoic cratons and are preserved on all of the continents. 1, record 1, English, - Lake%20Superior%2Dtype%20iron%2Dformation
Record 1, French
Record 1, Domaine(s)
- Mines de fer et de manganèse
Record 1, Main entry term, French
- formation de fer de type Lac-Supérieur
1, record 1, French, formation%20de%20fer%20de%20type%20Lac%2DSup%C3%A9rieur
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Les formations de fer de type Lac-Supérieur sont des roches sédimentaires rubanées formées par précipitation chimiques (roches hydrolithiques) composées de lithofaciès à oxydes de fer, à quartz (chert) à silicates, à carbonates et à sulfures qui se sont déposés le long des marges des cratons du Paléoprotérozoïque, dans des bassins de plate-forme continentale marine et des bassins d'effondrement (rifts) peu profonds. 1, record 1, French, - formation%20de%20fer%20de%20type%20Lac%2DSup%C3%A9rieur
Record number: 1, Textual support number: 2 CONT
Pendant plus d'un siècle, les formations de fer de type Lac-Supérieur ont été les principales sources de minerai de fer dans le monde. Elles se sont formées dans des bassins de plate-forme continentale ou autre en bordure de marges cratoniques du Protérozoïque précoce et moyen, et il en subsiste sur tous les continents. 1, record 1, French, - formation%20de%20fer%20de%20type%20Lac%2DSup%C3%A9rieur
Record 1, Spanish
Record 1, Textual support, Spanish
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