%0 Journal Article %T A Discussion on the evolution of the Precambrian crust - Geochemistry of granulite facies rocks and problems of their origin %J Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences %V 273 %N 1235 %P 429-442 %@ 0080-4614 %D 1973-02-08 %I The Royal Society %~ DeepDyve