supported by the 12th FiveYear Plan Project of State Key Laboratory of Ore Deposit Geochemistry, Chinese Academy of Sciences (SKLODG-ZY125-08);funds from the State Key Laboratory of Palaeobiology and Stratigraphy, Chinese Academy of Sciences;the National Basic Research Program of China (2007CB411408)
To understand and help settle the controversy around the living time of Pinnatiramosus qianensis Geng, a paleo-weathering profile situated in the town of Yongle near the city of Zunyi, north Guizhou Province, China, w...