110 resultados para ORE-DEPOSITS
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"Literatur" at the head of each chapter.
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On cover: PB 187 561.
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"Extrait d'un Rapport sur l'Oural".
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Goldsmiths'-Kress no. 15057.6, suppl.
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Mode of access: Internet.
Distribution of gold and other metals in silicified rocks of the Goldfield Mining District, Nevada /
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Part of the Salt Wash sandstone outcrop on the southwest rim of the Lukachukai Mountains is strongly mineralized in cross-bedded, channel sandstone. The deposits are opposite the strongly mineralized belt on the northeast rim. A north to northeast ore trend is possibly related to the original Salt Wash stream system.
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"May 1993."
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"Report no. CG-D-17-81."
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First edition, September 1916. cf. verso of t.-p.
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Mode of access: Internet.