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Short Course :Rare metal mineralization

发布人:徐佳发表时间:2018-04-27点击:

      



 

                                                                            Outline

Lecture 1

1.What are partitioning coefficients

2.Monazite partitioning for understanding of geochemistry of REE, Th and U in crustal rocks.

3.Biotite and muscovite/phengite partitioning for Nb and Ta

4. Applications of the partitioning data for understanding of geochemistry of migmatites

          Rare metal mineralization lecture 1.pdf


Lecture 2

1.Definitions

2.The new model

Evidence from whole rock compositions of shoshonites from eastern Tibet

Evidence from melt inclusions from UHP restites from the Kokchetav complex

Evidence from xenoliths from south Tibet

Evidence from other localities

3.Implications

For tectonic interpretations

For metallogenesis

          Rare metal mineralization lecture 2.pdf


Lecture 3

1.A brief note on geochemistry Ta and Nb deposits

2.Characteristics of granites associated with rare metal deposits: major and trace elements

3.Models of formation of rare metal deposits

Model of fractional crystallization

Model of columbite-tantalite fractionation

Model of partial melting

Model of fluid process

4.Tetrad effect

5.David London’s theory of pegmatite formation: practical demonstration.

          Rare metal mineralization lecture 3.pdf


Lecture 4

1.Pyrite properties and significance

2.Analysis of pyrite in sedimentary rocks by regression of LA-ICP-MS data.

Application: evolution of trace element concentrations in ocean in deep time

3.LA-ICP-MS imaging of trace elements in sulfides

Application: The Behaviour of Chalcophile Elements during UHP Metamorphism: Evidence from the Kokchetav Massif by LA-ICP-MS Imaging of Sulphides

4.SEM study of pyrite

Application: metastability of arsenian pyrite.

          Rare metal mineralization lecture 4.pdf