Abstract

The origination and differentiation of rare metalbearing, alkaline granites has attracted extensive interests because of their economic significance.

Highlights

  • The origination and differentiation of rare metalbearing, alkaline granites has attracted extensive interests because of their economic significance

  • The unalterated alkaline granites of the intrusion is mainly composed of orthoclase (~30 vol %), albite (~40 vol %), quartz (~15 vol %), biotite

  • Considering relatively low whole-rock fluorine concentrations (2187 to 8833 ppm) as well as the positively linear correlation between whole-rock CaO and F, implying that most fluorine initially incorporated in the melts were likely removed because of the separation of Ca-fluoride melt and silicate melt

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Summary

Introduction

The origination and differentiation of rare metalbearing, alkaline granites has attracted extensive interests because of their economic significance. He Huang1, Tao Wang1, Zhaochong Zhang2, Qie Qin1 1 Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China 2 State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Beijing 100083, China

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