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[[File:Thin-section-analysis fig2.png|thumb|600px|{{figure number|1}}Folk<ref name=pt05r56>Folk, R. L., 1959, [http://archives.datapages.com/data/bulletns/1957-60/data/pg/0043/0001/0000/0001.htm Practical petrographic classification of limestones]: AAPG Bulletin, v. 43, p. 1–38.</ref> and Dunham<ref name=pt05r50>Dunham, R. J., 1962, [http://archives.datapages.com/data/specpubs/carbona2/data/a038/a038/0001/0100/0108.htm Classification of carbonate rocks according to depositional texture], in Ham, W. E., ed., Classification of Carbonate Rocks: AAPG Memoir 1, p. 108–121.</ref> classifications.]]
[[File:Thin-section-analysis fig2.png|thumb|600px|{{figure number|1}}Folk<ref name=pt05r56>Folk, R. L., 1959, [http://archives.datapages.com/data/bulletns/1957-60/data/pg/0043/0001/0000/0001.htm Practical petrographic classification of limestones]: AAPG Bulletin, v. 43, p. 1–38.</ref> and Dunham<ref name=pt05r50>Dunham, R. J., 1962, [http://archives.datapages.com/data/specpubs/carbona2/data/a038/a038/0001/0100/0108.htm Classification of carbonate rocks according to depositional texture], in Ham, W. E., ed., Classification of Carbonate Rocks: AAPG Memoir 1, p. 108–121.</ref> classifications.]]
The two commonest classification systems for [[carbonate]] rocks are those of Folk<ref name=pt05r56>Folk, R. L., 1959, [http://archives.datapages.com/data/bulletns/1957-60/data/pg/0043/0001/0000/0001.htm Practical petrographic classification of limestones]: AAPG Bulletin, v. 43, p. 1–38.</ref> and Dunham.<ref name=pt05r50>Dunham, R. J., 1962, [http://archives.datapages.com/data/specpubs/carbona2/data/a038/a038/0001/0100/0108.htm Classification of carbonate rocks according to depositional texture], in Ham, W. E., ed., Classification of Carbonate Rocks: AAPG Memoir 1, p. 108–121.</ref> 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.
The two commonest classification systems for [[carbonate]] rocks are those of Folk<ref name=pt05r56 /> and Dunham.<ref name=pt05r50 /> 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.
==References==
==References==