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Mineral chemistry of magnetite and accessory phases from El Romeral iron oxide-apatite deposit, Chile
Abstract   Open access

Mineral chemistry of magnetite and accessory phases from El Romeral iron oxide-apatite deposit, Chile

Paula Rojas, Fernando Barra, Martin Reich, Artur Deditius, Adam Simon and Anonymous
Program and Abstracts
Goldschmidt 2017, 27 (Paris, 13/08/2017–18/08/2017)
2017
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Mineral chemistry of magnetite and accesory phases from El Romeral iron oxide-apatite deposit, Chile177.94 kBDownloadView
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Abstract

accessory minerals apatite Chile Economic geology, general, deposits El Romeral Deposit electron microscopy data geochemical methods Geochemistry of rocks, soils, and sediments inclusions iron ores iron oxides magnetite metal ores mineral inclusions oxides phosphate deposits phosphates rare earth deposits SEM data South America trace elements
Iron oxide-apatite (IOA) or “Kiruna-type” deposits are an important source of Fe, P, REE, among other essential elements for society. Three main hypotheses have been proposed to explain the genesis of these controversial deposits, which invoke liquid immiscibility, hydrothermal replacement or a magmatic-hydrothermal origin driven by flotation of magnetite-bubble pairs.

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