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The document summarizes the composition of the continental crust based on analysis of seismic and geochemical data. It finds that the continental crust can be divided into an upper, felsic lower, and mafic lower crust based on a seismic profile through Europe. The upper crust has a granodioritic composition. The lower crust is composed of a mixture of felsic granulites and mafic xenoliths, giving it a overall tonalitic composition. This is consistent with the lower crust being a source of partial melts that

Author

tanmay_envs

Language

EN