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| Keywords | |
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Jinghua Caves��cave characteristics��chemical deposition��formation age��Benxi��Liaoning Province |
| Authors | |
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QIN Ya |
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CHENG Xin-Min |
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CHANG Jian-Ping |
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PING Zhi-Lan |
| PubMed | |
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Article by Qin, Y. |
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Article by Cheng, X. M. |
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Article by Chang, J. B. |
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Article by Ping, Z. L. |
Characteristics and age of Jinghua Caves
QIN Ya, CHENG Xin-Min, CHANG Jian-Ping, PING Zhi-Lan
College of Earth Sciences��Jilin University��Changchun 130061��China
The Jinghua Caves are exposed in thick limestone of Middle Ordovician Majiagou Formation in Benxi of Liaoning��which controlled mainly by near SN and NE faults��and compose of four-layer caves with different levels along near SN fault��The sediments in the caves are dominated by chemical deposition with scarce me- chanic~deposition��By measuring the temperature��humidity and CO2 contents inside and outside the caves��the analysis shows that the closeness of the caves is good and the air circulation with the outside is poor��Based on the comparative study of elevation and formation age with the terrace of Ganhe��the authors estimate that the main cave of Jinghua Caves originated in Late Pleistocene combined with the U—dating of the samples(111.5±5.3 ka).