Continuous carbonatitic melt–fluid evolution of a REE mineralization system: Evidence from inclusions in the Maoniuping REE Deposit, Western Sichuan, China

Xie, Yuling; Hou, Zhenshan; Yin, Shuping; Dominy, Simon C.; Xu, Jintao; Tian, Senlin; Xu, Wei

doi:10.1016/j.oregeorev.2008.10.006

Cited by 112 publications

(62 citation statements)

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“…Previous petrographic, microthermometric, LRM and SEM/EDS results for various types of fluid and melt-fluid inclusions have been reported in Xie et al (2009) andHou et al (2009). Additional petrographic, microthermometric, LRM, SEM/EDS, EPMA and LA-ICP-MS analyses have been performed during this study.…”

Section: Sample and Analytical Methodsmentioning

confidence: 73%

“…data) for Lizhuang deposit. These dates are coeval with what has been defined as the late Asia-India collisional magmatism in the Qinghai-Tibet plateau Liu et al, 2004;Niu and Lin, 1994, 1995a, 1995bNiu et al, 1996aNiu et al, ,1996bNiu et al, , 1997Niu et al, , 2003Tian et al, 2003;Wang et al, 2002;Xie et al, 2009;Xu et al, 2001Xu et al, , 2003aXu et al, , 2003bXu et al, , 2004Xu et al, , 2008Xu et al, , 2012Yang et al, 2000;Yuan et al, 1995). REE mineralization is associated with Himalayan carbonatite-alkalic complexes.…”

Section: Tectonic Settingmentioning

confidence: 73%

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A model for carbonatite hosted REE mineralisation — the Mianning–Dechang REE belt, Western Sichuan Province, China

Xie

Hou

et al. 2015

Ore Geology Reviews

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Section: Sample and Analytical Methodsmentioning

confidence: 73%

Section: Tectonic Settingmentioning

confidence: 73%

A model for carbonatite hosted REE mineralisation — the Mianning–Dechang REE belt, Western Sichuan Province, China

Xie

Hou

et al. 2015

Ore Geology Reviews

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“…There is a literature consensus (e.g. Buhn & Rankin 1999, Chakhmouradian et al 2008, Le Bas & Handley 1979, Zaitsev et al 1998, Jones et al 1996, Xie et al 2009) that Ba and REE tend to be enriched toward the final stages of evolution in the carbonatite magma. Also, apatite is the most persistent mineral in the carbonatite evolution range, and P 2 O 5 contents can be a useful tool to measure the differentiation degree, except perhaps in the final stages, where phosphorus may be associated with the late-stage crystallization of monazite.…”

Section: Whole-rock Geochemistrymentioning

confidence: 99%

Stable (C, O, S) isotopes and whole-rock geochemistry of carbonatites from Alto Paranaíba Igneous Province, SE Brazil

et al. 2016

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ABSTRACT:The present work investigates the relationship between whole-rock geochemistry and stable isotope composition from carbonatites belonging to the Tapira, Araxá, Salitre, Serra Negra, Catalão I, and Catalão II alkaline-carbonatite complexes of the Alto Paranaiba Igneous Province (APIP), central Brazil and from the Jacupiranga Complex, of the Ponta Grossa Province, southeast Brazil. The APIP complexes are ultrapotassic, comprising bebedourites, phoscorites, nelsonites, and carbonatites, whereas Jacupiranga is a sodic complex composed of ijolite-series rocks, syenites, carbonatites, and alkaline gabbros. The geochemistry data allied to mineralogical constraints allowed us to classify the carbonatites into five groups, and to devise a chemical index (BaO/(BaO+SrO)) to gauge the magmatic evolution of the studied carbonatites.The APIP carbonatites evolve from apatite-rich calciocarbonatites toward Ba-, Sr-, and rare earth element (REE)-rich magnesiocarbonatites. This evolution is mostly driven by apatite, phlogopite, dolomite, and calcite fractionation and consequent enrichment in monazite, norsethite, and strontianite. Stable isotope data show a wide diversity of petrogenetic processes in play at the APIP, relatively to the Jacupiranga Complex, which is interpreted as a result of the shallower intrusion levels of the APIP complexes. Such shallower emplacement, at low lithostatic pressure, allowed for a complex interplay of fractional crystallization, liquid immiscibility, degassing, and interaction with hydrothermal and carbohydrothermal systems. KEYWORDS: INTRODUCTIONBrazilian alkaline provinces have been studied by a range of techniques such as whole-rock geochemistry, mineral chemistry, stable and radiogenic isotope geochemistry, with a range of petrogenetic aplications (Gomide et al. 2013, Barbosa 2009, Cordeiro et al. 2011, Grasso 2010, Ribeiro 2008, CominChiaramonti et al. 2001, Traversa 2001, Andrade et al. 2002, Huang et al. 1995, Santos & Clayton 1995, Ulbrich & Gomes 1981. We aim to contribute to the knowledge of carbonatite petrogenetic evolution, investigating the relationships between whole-rock geochemistry and stable isotope geochemistry data, reporting geochemical and isotopic data from carbonatites of the Late-Cretaceous Alto Paranaíba Igneous Province (APIP), and discuss their implications for magma evolution, both at single-complex and Province-wide scales. The results obtained are compared with the Early-Cretaceous Jacupiranga carbonatite complex, in the Ponta Grossa Province.Alkaline rocks and alkaline-carbonatite associations include highly variable petrographic types and correspondingly extensive nomenclature. We adopt the nomenclature proposed by Le Maitre et al. The APIP alkaline-carbonatite complexes are multistage intrusions formed by rocks derived from the bebedourite, carbonatite, and phoscorite series, which are related to each other by a complex interplay of fractional crystallization, liquid immiscibility, and degassing (Brod et al. 2004, Ribeiro 2008, Barbosa 2009, Cordeir...

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“…Using the method described by Xie et al (2009), the quartz fragments were first crushed into small pieces (usually <5 mm in diameter) to open the inclusions, then glued onto a piece of glass with their flat sides up and carbon coated for SEM analysis . …”

Section: Scanning Electron Microscope-energy Dispersive Spectrometrymentioning

confidence: 99%

Immiscibility of magmatic fluids and their relation to Mo and Cu mineralization at the Bangpu porphyry deposit, Tibet, China

Luo

Tang

Mao

et al. 2015

Journal of Asian Earth Sciences

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Continuous carbonatitic melt–fluid evolution of a REE mineralization system: Evidence from inclusions in the Maoniuping REE Deposit, Western Sichuan, China

Cited by 112 publications

References 30 publications

A model for carbonatite hosted REE mineralisation — the Mianning–Dechang REE belt, Western Sichuan Province, China

A model for carbonatite hosted REE mineralisation — the Mianning–Dechang REE belt, Western Sichuan Province, China

Stable (C, O, S) isotopes and whole-rock geochemistry of carbonatites from Alto Paranaíba Igneous Province, SE Brazil

Immiscibility of magmatic fluids and their relation to Mo and Cu mineralization at the Bangpu porphyry deposit, Tibet, China

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