The Composition of the Crust

  title={The Composition of the Crust},
  author={Karl K. Turekian},
  • Karl K. Turekian
  • Published 1968
  • Geology
  • This paper criticizes two estimates of the composition of the continental crust. One, based on material balance, is shown to be subject to the difficulties of not knowing the true volume and composition of sedimentary rocks and to the indiscriminate nature of the computer program as far as choosing between data of various quality and quantity. The other, based on balancing the rare-earth composition of shales with proportions of granite and basalt is shown to be in error because of the… CONTINUE READING

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