Shifting material source of Chinese Loess since ~2.7 Ma reflected by Sr isotopic composition.

Sci Rep · 2015 · PMC4650810 · PMID 25996645

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an increasing trendno p-value reported

The ε Nd value of Xifeng section shows an increasing trend by 1.5ε unit since ~2.7 Ma ( Supplementary Table S2 ; Fig. 2 ).

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