Letter | Published:

Dual Classification for Point-counting Limestones

Naturevolume 207pages849850 (1965) | Download Citation

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Abstract

MOST recent petrographic accounts of limestones utilize the classification of Folk1 as a basis for quantitative description, and as a convenient shorthand for general descriptions. During studies of English Upper Jurassic limestones it has been found that point-count results using Folk's categories do not adequately convey all the characters of a particular rock specimen.

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References

  1. 1

    Folk, R. L., Bull. Amer. Assoc. Petroleum. Geologists, 43, 1 (1959).

  2. 2

    Arkell, W. J., The Jurassic System in Great Britain (Oxford, 1933).

  3. 3

    Arkell, W. J., Mem. Geol. Surv. (G.B.), 341, 342, 343, etc. (1947).

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Affiliations

  1. Department of Geology, University of Sheffield

    • R. C. L. WILSON

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https://doi.org/10.1038/207849a0

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