Media type: E-Book Title: Magmatic ore deposits in layered intrusions : descriptive model for reef-type PGE and contact-type Cu-Ni-PGE deposits Contributor: Zientek, Michael L. [Author] Published: Reston, Va: U.S. Dept. of the Interior, U.S. Geological Survey, 2012 Published in: United States Geological Survey: Open-file report ; 2012,1010 Extent: Online-Ressource Language: English Keywords: Mafit > Ultrabasit > Platinmetalle > Magmatische Lagerstättenbildung > Stratiforme Lagerstätte Kupferlagerstätte > Nickellagerstätte > Platinlagerstätte > Geologie > Basit > Lagerstättenbildung Origination: Footnote: Description: Concise description -- Commodities (by-products) -- Associated deposit types -- Ore system components -- Regional environment -- Age range -- Deposit features -- Reef-type PGE -- Contact-type deposits -- Host rocks -- Reef-type deposits -- Contact-type deposits -- PGE, sulfides, and sulfide liquid immiscibility -- Processes that determine composition of ores -- Mineralogy and textures -- Variation in PGE and other metal grades -- Reef-type PGE: relation of thickness of layer and grade -- Reef-type PGE: concentration profiles -- Reef-type PGE: variation along strike -- Contact-type deposits -- Geophysical characteristics for exploration -- Geochemiccal characteristics for exploration -- Deposit size and grade characteristics -- Reef-type PGE deposits -- Contact-type deposits -- Acknowledgments -- References cited -- Additional reading -- References cited in tables 2 and 3 Access State: Open Access