Tag Archives: limestone

Carbonate Precipitation

Atmospheric carbon dioxide combines with water during rainfall and in breaking wave’s spray, producing carbonic acid. Carbonic acid spontaneously disassociates into hydrogen ions and bicarbonate, which in turn disassociates into hydrogen ions and carbonate. Dissolved carbonate combines with dissolved calcium … Continue reading

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Carbonate Classification

Compare and contrast the carbonate classification schemes of Folk and Dunham. Carbonate rocks are composed of allochems and orthochems. Allochems are the outside components, effectively grains that are the equivalent of clasts in sandstones. Orthochems are the inside components, the … Continue reading

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Belogradchik, Bulgaria

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Belogradchik is a UNESCO and European Geopark in northwestern Bulgaria. The same region contains the Magura and Kozarnika caves. Geologic Context In the early to middle Triassic, the region was an subarid upland, flooded by a sea during the middle … Continue reading

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