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Collaborative Research: Locating The Mantle Component In Granite, Daniel R. Lux, John P. Hogan, David Gibson
Collaborative Research: Locating The Mantle Component In Granite, Daniel R. Lux, John P. Hogan, David Gibson
University of Maine Office of Research Administration: Grant Reports
Granitic plutons of the Coastal Maine Magmatic Province (CMMP) commonly display dramatic field relations that record interaction between magmas of markedly different composition (chemical and isotopic) and physical properties. Silicic magma chambers, derived from the crust, received influxes of denser mafic magma that spread out along the floor of these chambers to produce a compositional stratification know as Mafic and Silicic Layered Intrusions (MASLI). The spectacular field relations and large compositional variation in the vicinity of the interface between contrasting magma types are well document by recent studies. In contrast, the extent of physical and chemical coupling between the base …