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Excimer laser ablation inductively coupled plasma mass spectrometry (ELA-ICP-MS) has been used to analyse the concentration of Mg, Sr, Ba, and U along the outer wall of a soda-straw stalactite from southeastern Australia. The results of this study reveal high frequency oscillations superimposed upon longer-term trends in the data, in particular those of Sr/Ca and Ba/Ca. The high frequency oscillations...
We report the presence of clear annual cycles in trace-element (Mg/Ca, Sr/Ca, Ba/Ca, and U/Ca) and stable-isotope (δ 18 O and δ 13 C) composition in an annually banded stalagmite from Heshang Cave, Hubei Province, China (30.44°N, 110.42°E). Through a combination of micromilling and in situ analysis (LA–MC–ICPMS), we measured geochemical variations across 16 annual growth bands, to...
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