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Fractional crystallization (geology) - Wikipedia

2018-6-8  Fractional crystallization Fractional freezing ... The crystallization sequence of oxide minerals such as magnetite and ulvospinel is sensitive to the ...

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Andesite - Wikipedia

2018-6-4  Magnetite, zircon, apatite, ilmenite, biotite, ... Basalt thus formed can contribute to the formation of andesite through fractional crystallization, ...

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Iron isotopic evolution during fractional

2017-3-17  Iron isotopic evolution during fractional crystallization of ... evolution during fractional crystallization of ... during magnetite crystallization ...

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Iron isotopic evolution during fractional

Iron isotopic evolution during fractional crystallization of the ... The UUMZ evolved by fractional crystallization of a dry ... for magnetite crystallization to ...

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Fractional crystallization (geology) - ipfs.io

Fractional crystallization is the removal and segregation from ... The crystallization sequence of oxide minerals such as magnetite and ulvospinel is sensitive to ...

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Fractional crystallization trends in the

A brief report is made of current laboratory investigations on phase relations among olivine, pyroxene, anorthite, magnetite, tridymite, liquid and gas in the system Mg2SiO4-CaAl2Si2O8-FeO-Fe2O2-SiO2...

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Ore-forming adakitic porphyry produced by

The rocks studied for this paper include layered magnetite-bearing ... these layered rocks underwent the same fractional crystallization process as the ore ...

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REE-Th-U and Nd isotope systematics of

These geochemical variations were attributed to significant fractional crystallization of feldspars, ... Magnetite-series granites are characterized by a mineral ...

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Iron isotopic evolution during fractional

2017-3-1  TY - JOUR. T1 - Iron isotopic evolution during fractional crystallization of the uppermost Bushveld Complex layered mafic intrusion. AU - Bilenker,Laura D.

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Magnetite - IPFS

Magnetite is a mineral and one ... state helps to determine how the magmas might evolve by fractional crystallization. Magnetite also is produced from ...

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Magnetite - IPFS

Magnetite is a mineral and one ... state helps to determine how the magmas might evolve by fractional crystallization. Magnetite also is produced from ...

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四川红格层状侵入体中角闪石和金云母的矿物学特征及

V2

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Interplay of crystal fractionation, sulfide

A substantial decrease in the fO 2 of arc magmas, by the fractional crystallization of magnetite or by the degassing of oxidized sulfur species (Kelley and Cottrell, ...

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Ilmenite composition in the Tellnes Fe–Ti

ORIGINAL PAPER Ilmenite composition in the Tellnes Fe–Ti deposit, SW Norway: fractional crystallization, postcumulus evolution and ilmenite–zircon relation

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Fractional crystallization trends in the ... -

A brief report is made of current laboratory investigations on phase relations among olivine, pyroxene, anorthite, magnetite, tridymite, liquid and gas in the system Mg2SiO4-CaAl2Si2O8-FeO-Fe2O2-SiO2...

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Iron isotopic evolution during fractional

2017-3-1  Iron isotopic evolution during fractional crystallization of the uppermost Bushveld Complex layered mafic intrusion

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Ore-forming adakitic porphyry produced by

The rocks studied for this paper include layered magnetite-bearing ... these layered rocks underwent the same fractional crystallization process as the ore ...

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FRACTIONAL CRYSTALLIZATION - Brock

Many mechanisms of fractional crystallization have been proposed. Gravitational Effects. This is the most often suggested mechanism which is interpreted to indicate that fractional crystalization has occurred.

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The evolution of young silicic lavas at ... -

At Medicine Lake Volcano, California, the compositional gap between andesite (57–62 wt.% SiO2) and rhyolite (73–74 wt.% SiO2) has been generated by fractional crystallization.

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矿物代号和岩石中英文名称_百度文库

2017-2-10  附录(Appendixes) 一、 Ab = Albite Ac = Acmite Act = Actinolite Ae = Aegirine Af = Alkali feldspar Alm = Almandine Als = Al2SiO5 mineral Am = Amphibole ...

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矿物代号和岩石中英文名称_百度文库

2017-2-10  附录(Appendixes) 一、 Ab = Albite Ac = Acmite Act = Actinolite Ae = Aegirine Af = Alkali feldspar Alm = Almandine Als = Al2SiO5 mineral Am = Amphibole ...

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Ore-forming adakitic porphyry produced by

The rocks studied for this paper include layered magnetite-bearing ... these layered rocks underwent the same fractional crystallization process as the ore ...

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Iron isotopic evolution during fractional

2017-3-1  Iron isotopic evolution during fractional crystallization of the uppermost Bushveld Complex layered mafic intrusion

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Microstructure and Mineralogic Evidences of

2017-2-7  that the layering in gabbros are products of a differentiation by fractional crystallization ... (magnetite , hematite) by means ... Mineralogic Evidences of ...

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THn AUERIcAN MtxERALocIST

2007-4-4  THn AUERIcAN MtxERALocIST ... remains at a high level during fractional crystallization of a basaltic liquid, magnetite

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Andesite - Wikipedia

2018-6-9  Magnetite, zircon, apatite, ilmenite, biotite, ... Basalt thus formed can contribute to the formation of andesite through fractional crystallization, ...

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Ti-V plots and the petrogenesis of modern and

2009-5-26  Ti-V plots and the petrogenesis of modern and ... and subsequent fractional crystallization. ... volcanics which show the effects of magnetite ...

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微量元素在主要地质作用过程中的活动行为_图文_百度文库

2014-11-15  OlivineMORB Opx 由亏损地幔部分熔融形成,如果 Cpx Garnet Plag Amph Magnetite 一般认为 Rb 0.010 0.022 0.031 0.042 0.071 0.29 我们知道 ...

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5微量元素数据的利用和地球化学解释 - 豆丁网

2012-5-29  DM:depleted mantle (Salters Stracke,2004). Solid line shows fractional crystallization (F=4%) 2%trapped melt from basaltic magma

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The fractional latent heat of crystallizing magmas -

2012-11-8  Ghioso(1997)MELTS exeise fom whih fationallatent heat WyllIeSequence dI-An-AbEquilibrium crystallization quasi-tenaysystem Di-An-Ab ... Fractional crystallization ...

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Andesite - Wikipedia

2018-6-9  Magnetite, zircon, apatite, ... Basalt thus formed can contribute to the formation of andesite through fractional crystallization, ... Fractional crystallization Edit.

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Iron isotopic evolution during fractional

The UUMZ evolved by fractional crystallization of a dry ... magma is unlikely to change significantly during fractional crystallization of magnetite ...

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The Fractional Crystallization of Plagioclase

2018-5-26  The Fractional Crystallization of ... basis of olivine/liquid and magnetite/ilmenite ... , "The Fractional Crystallization of Plagioclase in the ...

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Friday March 11th, 2005 - UMass Amherst

2005-3-20  Friday, March 11th, 2005 ... Olivine Opx Cpx Garnet Plag Amph Magnetite ... fractional crystallization in a magma chamber

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Ti-V plots and the petrogenesis of modern and

2009-5-26  Ti-V plots and the petrogenesis of modern and ophiolitic lavas ... and subsequent fractional crystallization. ... and magnetite vary by over two orders of

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Interpreting Multielement Geochemistry data -

2016-7-17  Interpreting Multielement Geochemistry data ... These rocks show a very clear sequence of magnetite fractional crystallization, indicated by the array of arrows.

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INSIGHT INTO THE ORIGIN OF SILICIC ROCKS IN

2017-9-14  orthopyroxene, magnetite, and low cristobalite. Geochemistry Geochemical results show that the basalt unit ... explained by fractional crystallization. The

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THn AUERIcAN MtxERALocIST

2007-4-4  THn AUERIcAN MtxERALocIST ... remains at a high level during fractional crystallization of a basaltic liquid, magnetite

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Gold and metal enrichment in natural granitic

2014-11-18  cursor melt is required and fractional crystallization can enrich the Au concentration to economic levels. ... contain trace magnetite and ilmenite.

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5微量元素数据的利用和地球化学解释 - 豆丁网

2012-5-29  DM:depleted mantle (Salters Stracke,2004). Solid line shows fractional crystallization (F=4%) 2%trapped melt from basaltic magma

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