Carbonate classification

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The two commonest classification systems for carbonate rocks are those of Folk[1] and Dunham.[2] Folk's classification uses combination forms of words describing the grains and words describing the cements. Dunham's classification is based on the depositional fabric of the rock.

Figure 1. Folk[1] and Dunham[2] classifications.

References

  1. ↑ 1.0 1.1 Folk, R. L., 1959, Practical petrographic classification of limestones: AAPG Bulletin, v. 43, p. 1–38.
  2. ↑ 2.0 2.1 Dunham, R. J., 1962, Classification of carbonate rocks according to depositional texture, in Ham, W. E., ed., Classification of Carbonate Rocks: AAPG Memoir 1, p. 108–121.


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