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Robert H. Dott
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Robert H. Dott

American petrologist
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Learn about this topic in these articles:

  • chemistry of sedimentary rocks
    sedimentary rock
    / Classification of sandstones

    …that of the American petrologist Robert H. Dott (1964), which is based on the concepts of P.D. Krynine and F.J. Pettijohn. Another popular classification is that of R.L. Folk (1974). Although these classifications were not intended to have tectonic significance, the relative proportions of quartz, feldspar, and fragments are good…

    Read More

    …that of the American petrologist Robert H. Dott (1964), which is based on the concepts of P.D. Krynine and F.J. Pettijohn. Another popular classification is that of R.L. Folk (1974). Although these classifications were not intended to have tectonic significance, the relative proportions of quartz, feldspar, and fragments are good…

    Read More