Composition ofthe ContinentalCrust - UMD

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Tab upper-crust composition from large-scalesurface l e 1 Maj or e l e m e nt c ompos i t i on a (i nw eigh tp e r ce nt ox ide)o f t he upp e r c ont i n e nt a l c rust. C olumns 1 – 9r e pr e s e nt a v e r age so f sur face e xposur e s a n dgl acia l c l a ys. C

  Compositions, Ofthe, Composition ofthe continentalcrust, Continentalcrust, C ompos i t i on, Ompos