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Stalagmite ZJD-21 (12.3-cm long) was collected from Zhijin Cave in Zhijin County, Guizhou, China. Its 210 Pb profile and seven 230 Th/ 234 U dates indicate that the stalagmite has grown continuously for the past 1100years. The δ 18 O record of ZJD-21 indicates that δ 18 O in the stalagmite was mainly influenced by rainfall amount and/or summer/winter rain ratio,...
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