Magmatic Iron Deposits

  • Magmatic Deposits SpringerLink

    · Magmatic iron ores and associated mineralization Examples from the Chilean high Andes and coastal Cordillera In Hydrothermal iron oxide copper gold and related deposits A

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  • Iron Oxide Cu Au REE P Ag U Co Systems

    magmatic iron titanium oxide deposits and other iron oxide bearing hydrothermal deposits such as many members of the porphyry copper clan Chapter In particular this usage does not restrict IOCG to those deposits containing economic concentrations of copper and or gold cf Williams

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  • Discriminate between magmatic and magmatic

    · In these studies Fe isotopic compositions of magnetite from several IOA deposits were investigated and compared with typical magmatic deposits hydrothermal iron deposits and low temperature hydrothermal deposits and revealed a significant overlap between the ranges of igneous rocks and magmatic origin magnetite

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  • Scientists give new clues to find iron ore deposits

    27/09/2020· All geologists looking for iron oxide apatite deposits would have to do is target areas where magmatic rocks have been emplaced into sedimentary basins containing limestones or salt deposits

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  • Mafic ultramafic orthomagmatic mineral

    Sources of fluid magma metals sulfur and energy Magmas are the source of fluid metals and energy in orthomagmatic mafic ultramafic volcanic deposits The generation of mafic and ultramafic magmas usually takes place in the asthenospheric or lithospheric mantle A high degree of partial melting and large volumes of magma are required

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  • A Deposit Model for Magmatic Iron Titanium Oxide Deposits

    Overviews of magmatic iron titanium oxide Fe Ti oxide deposits include Lister 1966 Rose 1969 Force 1991 Gross 1996 Korneliussen and others 2000 and Corriveau and others 2007 Economic magmatic ilmenite and titanifer ous magnetite Fe Ti oxide deposits have spatial and temporal

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  • Magmatic Ore Deposits

    Magmatic Ore Deposits Magmatic ore deposits are those which are formed during crystallization of a magma Silica iron and magnesium are supplied by hydrothermal fluids that evolve from the magma late in the cooling history The minera ls form at the expense

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  • Magmatic Ore Deposits in Layered Intrusions—Descriptive

    Magmatic ore deposits are derived from accumulations of crystals of metallic oxides or immiscible sulfide or oxide liquids that formed during the cooling and crystallization of magma to massive concentrations of iron copper nickel PGE enriched sulfide mineral concentrations in zones

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  • Magma May Help Geologists Find New Iron Ore Deposits

    28/08/2018· These iron ore deposits called Kiruna type deposits account for about 10% of the global production of iron The researchers have discovered that these iron ore deposits are formed when magma splits into two separate liquids Author Olivier Namur from the Department of Earth and Environmental Sciences at KU Leuven Belgium explains

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  • Magmatic ore deposits Chapter 2 Ore Deposit

    Summary Magmatic ore deposits also known as orthomagmatic ore deposits are deposits within igneous rocks or along their contacts in which ore minerals crystallised from a melt or were transported in a melt Ore deposits that form in and around igneous rock units as a result of mineral precipitation from aqueous solutions or hydrothermal fluids

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  • Iron and Manganese Ore Deposits Mineralogy Geochemistry

    2 Iron Ore Deposits Iron ore deposits are known to occur in sedimentary hydrothermal and magmatic environments but production today is almost entirely from three types of deposit deposits related to Precambrian banded iron formations provide about 90% of all iron ore mined and the remainder is derived from metasomatic skarn and magmatic

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  • Magmatic deposits SpringerLink

    Some ore deposits have such an intimate association with igneous rocks that a common heritage can be inferred In many cases it can be confirmed by a study of field relationships from ore textures and from the results of experimental petrology that the ores have segregated during the crystallization of a magma

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  • Magmatic and Magmatic Hydrothermal Ore Deposits Group

    The Magmatic Ore Deposits Group is working on a wide range of projects related to magmatic Ni Cu PGE magmatic Cr ± PGE and magmatic hydrothermal porphyry Cu Au deposits building databases the geochemistry and volcanic facies of komatiites and the facies of iron formations in the entire Superior Province in order better understand the

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  • Magmatic iron enrichment in high‐iron

    · 1998 Magmatic iron enrichment in high‐iron metatholeiites associated with Broken Hill‐type Pb‐Zn‐Ag deposits Mt Isa Eastern Succession Australian Journal of Earth Sciences Vol 45 Geological framework and mineralisation in the Mt Isa Eastern

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  • Chapter 6 Kiruna Type Iron Oxide Apatite IOA and Iron

    Kiruna Type Iron Oxide Apatite IOA and Iron Oxide Copper Gold IOCG Deposits Form by a Combination of Igneous and Magmatic Hydrothermal Processes Evidence from the Chilean Iron Belt Adam C Simon 1 † Jaayke Knipping 2 Martin Reich 3 Fernando Barra 3 Artur P Deditius 4 Laura Bilenker 5 and Tristan Childress1

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  • Magmatic deposits SpringerLink

    Abstract Some ore deposits have such an intimate association with igneous rocks that a common heritage can be inferred In many cases it can be confirmed by a study of field relationships from ore textures and from the results of experimental petrology that the ores have segregated during the crystallization of a magma

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  • Magma May Help Geologists Find New Iron Ore

    · These iron ore deposits called Kiruna type deposits account for about 10% of the global production of iron The researchers have discovered that these iron ore deposits are formed when magma splits into two separate liquids Author Olivier Namur from the Department of Earth and Environmental Sciences at KU Leuven Belgium explains

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  • Magma May Help Geologists Find New Iron Ore

    · These iron ore deposits called Kiruna type deposits account for about 10% of the global production of iron The researchers have discovered that these iron ore deposits are formed when magma splits into two separate liquids Author Olivier Namur from the Department of Earth and Environmental Sciences at KU Leuven Belgium explains

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  • A deposit model for magmatic iron titanium oxide

    This descriptive model for magmatic iron titanium oxide Fe Ti oxide deposits hosted by Proterozoic age massif type anorthosite and related rock types presents their geological mineralogical geochemical and geoenvironmental attributes Although these Proterozoic rocks are found worldwide the majority of known deposits are found within exposed rocks of the Grenville Province stretching

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  • Ore deposits produced by magmatic segregation with

    Type deposits of iron chromium aluminum and diamond that have been formed by magmatic segregation are discussed and conditions favorable for the formation of deposits of gold silver lead zinc tin and other rare metals as a result of extreme differentiation are given In conclusion the problem of differentiation of rock magmas

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  • Iron isotope fractionation during magmatic

    · Iron isotope fractionation during magmatic hydrothermal evolution A case study from the Duolong porphyry Cu Au deposit Tibet Author links open overlay panel Jin Xiang Li a b Ke Zhang Qin b c Guang Ming Li b c Noreen J Evans d Fang Huang e Jun Xing Zhao c

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  • The Chinese Iron Ore Deposits and Ore

    · Late magmatic differentiated iron deposits are formed by the residual magma rich in iron vanadium and titanium formed by late differentiation of magma crystals These deposits are mostly of large in reserve and are mainly distributed in Panzhihua and Xichang area in Sichuan Province They are often called Panzhihua type iron deposits in

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  • Magmatic Ore Deposits Magma Earth Sciences

    Magmatic Ore Deposits Magmatic ore deposits are those which are formed during crystallization of a magma deep underground The host rock for the mineralization can range from ultramafic to felsic The deposit can consist of massive ores in some cases and disseminations of rare minerals in others In the case of more massive ores there are three primary means of concentrating minerals of

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  • Magmatic iron ores Naturhistoriska riksmuseet

    · Jan Olov Nyström A comparison between the Kiruna iron ores in Sweden and the magmatically formed El Laco iron deposit in Chile sheds new light on the controversial issue about the formation of the Kiruna deposits magmatic vs hydrothermal The discovery of large iron oxide breccias with Cu Au REE has renewed the interest in magnetite apatite

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  • Formation of massive iron deposits linked to

    · Trace elements in magnetite from massive iron oxide apatite deposits indicate a combined formation by igneous and magmatic hydrothermal processes Geochim Cosmochim

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