Petrogenesis of Massif Anorthosites, Grenville Province

本项目旨在研究加拿大格伦维尔省斜长岩-菱铁矿-锰矿岩的岩石成因。St. Urbain， Labrieville和Morin地区的岩石组将通过综合野外，岩石学和地球化学研究进行调查。研究结果将有助于阐明母岩浆的性质和块状斜长岩及其伴生锰矿的分异机制，以及伴生基性、富氧化物岩性（粒状岩）和铁钛氧化物矿床的意义和成因。

This project is designed to investigate the petrogenesis of anorthosite-jotunite-mangerite rocks from the Grenville Province of Canada. Suites of rocks from the St. Urbain, Labrieville, and Morin regions will be investigated through integrated field, petrological, and geochemical studies. The results should elucidate the nature of parental magmas and differentiation mechanisms of massif anorthosites and associated mangerites and the significance and origin of associated mafic, oxide-rich lithologies (jotunites) and Fe- Ti oxide ore deposits.