Dolostone is the main rock type of the Cambrian in this area.
從下寒武統石龍洞組開始都是白云巖沈積.
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Crystalline dolostone is formed by seepage - reflux dolomitization and burial dolomitization.
晶粒白云巖有兩種成因:一為回流滲透白云石化;二為深埋藏白云石化.
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Carbonate rocks are predominantly composed of intra - clastic dolostone, chert dolostone and sand - bearing dolostone.
碳酸鹽巖以內碎屑白云巖 、 燧石白云兒和含砂白云巖為主.
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