Geochemical Signature of Magmatic-Hydrothermal Fluids Exsolved from the Beauvoir Rare-Metal Granite (Massif Central, France)‎: Insights from LA-ICPMS Analysis of Primary Fluid Inclusions

المؤلفون المشاركون

Harlaux, Matthieu
Mercadier, Julien
Bonzi, Wilédio Marc-Emile
Kremer, Valentin
Marignac, Christian
Cuney, Michel

المصدر

Geofluids

العدد

المجلد 2017، العدد 2017 (31 ديسمبر/كانون الأول 2017)، ص ص. 1-25، 25ص.

الناشر

Hindawi Publishing Corporation

تاريخ النشر

2017-12-26

دولة النشر

مصر

عدد الصفحات

25

التخصصات الرئيسية

الفيزياء

الملخص EN

The Beauvoir granite (Massif Central, France) represents an exceptional case in the European Variscan belt of a peraluminous rare-metal granite crosscutting an early W stockwork.

The latter was strongly overprinted by rare-metal magmatic-hydrothermal fluids derived from the Beauvoir granite, resulting in a massive topazification of the quartz-ferberite vein system.

This work presents a complete study of primary fluid inclusions hosted in quartz and topaz from the Beauvoir granite and the metasomatized stockwork, in order to characterize the geochemical composition of the magmatic fluids exsolved during the crystallization of this evolved rare-metal peraluminous granite.

Microthermometric and Raman spectrometry data show that the earliest fluid (L1) is of high temperature (500 to >600°C), high salinity (17–28 wt.% NaCl eq), and Li-rich (Te<−70°C) with Na/Li ratios ~5.

LA-ICPMS analyses of L1-type fluid inclusions reveal that the chemical composition of this magmatic-hydrothermal fluid is dominated by Na, K, Cs, and Rb, with significant concentrations (101–104 ppm) in rare-metals (W, Nb, Ta, Sn, and Li).

This study demonstrates that primary fluid inclusions preserved the pristine signature of the magmatic-hydrothermal fluids in the Beauvoir granite but also in the metasomatized W stockwork, despite the distance from the granitic cupola (>100 m) and interaction with external fluids.

نمط استشهاد جمعية علماء النفس الأمريكية (APA)

Harlaux, Matthieu& Mercadier, Julien& Bonzi, Wilédio Marc-Emile& Kremer, Valentin& Marignac, Christian& Cuney, Michel. 2017. Geochemical Signature of Magmatic-Hydrothermal Fluids Exsolved from the Beauvoir Rare-Metal Granite (Massif Central, France): Insights from LA-ICPMS Analysis of Primary Fluid Inclusions. Geofluids،Vol. 2017, no. 2017, pp.1-25.
https://search.emarefa.net/detail/BIM-1155337

نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)

Harlaux, Matthieu…[et al.]. Geochemical Signature of Magmatic-Hydrothermal Fluids Exsolved from the Beauvoir Rare-Metal Granite (Massif Central, France): Insights from LA-ICPMS Analysis of Primary Fluid Inclusions. Geofluids No. 2017 (2017), pp.1-25.
https://search.emarefa.net/detail/BIM-1155337

نمط استشهاد الجمعية الطبية الأمريكية (AMA)

Harlaux, Matthieu& Mercadier, Julien& Bonzi, Wilédio Marc-Emile& Kremer, Valentin& Marignac, Christian& Cuney, Michel. Geochemical Signature of Magmatic-Hydrothermal Fluids Exsolved from the Beauvoir Rare-Metal Granite (Massif Central, France): Insights from LA-ICPMS Analysis of Primary Fluid Inclusions. Geofluids. 2017. Vol. 2017, no. 2017, pp.1-25.
https://search.emarefa.net/detail/BIM-1155337

نوع البيانات

مقالات

لغة النص

الإنجليزية

الملاحظات

Includes bibliographical references

رقم السجل

BIM-1155337