Geochemistry of pink corundum-bearing feldspathic gneiss, Frenchvale Quarry, Cape Breton Island, Canada; metamorphism of albitised, Fe-poor clastic rocks

Frenchvale quarry, once mined for dolomitic marble, contains pink corundum-bearing, quartz-free/-poor, feldspathic gneiss that is unusually sodic (∼7% wt.% Na2O) and iron-poor (∼0.6 wt.% Fe2O3), but has silica, alumina and immobile trace-element contents resembling those of suspended fluvial particu...

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