Origin of dolomitization in the Lower Cretaceous Bayanhua Group dolomitized rocks, Bayindulan Sag, Erlian Basin

Origin of dolomitization in the Lower Cretaceous Bayanhua Group dolomitized rocks, Bayindulan Sag, Erlian Basin

The Bayindulan Sag situated in Erlian Basin, northeast China, is characterized by pervasive dolomitization in Upper A4 Member to Lower T1 Member of Bayanhua Group. These stratum in the Lower Cretaceous Bayanhua Group were deposited in a lacustrine environments. The main objective of this study is to...

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Veröffentlicht in:Geosciences journal (Seoul, Korea) 2017, 21(4), , pp.505-521
Hauptverfasser: He, Fugui, Gao, Xianzhi, Zhao, Xianzheng, Wang, Huilai, Yang, Dexiang, Wang, Quan
Format: Artikel
Sprache:eng
Schlagworte:
Barium
Basins
Carbon dioxide
Cretaceous
Crystals
Depletion
Dissolution
Dolomite
Dolomitization
Dolostone
Earth and Environmental Science
Earth Sciences
Freshwater
Freshwater environments
Geochemistry
High temperature
Inland water environment
Methanation
Mineralogy
Oxygen
Oxygen depletion
Ratios
Rock
Rocks
Sag
Sedimentary environments
Silt
Strontium
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Zusammenfassung:The Bayindulan Sag situated in Erlian Basin, northeast China, is characterized by pervasive dolomitization in Upper A4 Member to Lower T1 Member of Bayanhua Group. These stratum in the Lower Cretaceous Bayanhua Group were deposited in a lacustrine environments. The main objective of this study is to identify the origin of dolomitization and distribution model of dolomitized rocks. Based on petrographic examination, mud-crystal dolomites (
ISSN:1226-4806
1598-7477
DOI:10.1007/s12303-016-0061-6