supported by the National Natural Science Foundation of China (40372057 and 40772076);the SINOPEC Project (G0800-06-ZS-319);the China Geological Survey (CGS) project (1212010611802)
A SHRIMP U-Pb zircon age of 1437±21 Ma was obtained for a recently discovered K-bentonite bed in the Tieling Formation,situated northeast of Beijing at the boundary between Liaoning and Hebei provinces,on the norther...
supported by the National Natural Science Foundation of China (Nos. 40372057, 40772076);the SINOPEC project (G0800-06-ZS-319)
New total organic carbon (TOC) data from the two Ordovician-Silurian transitional graptolite-bearing black shale intervals, the Wufeng (五峰) Formation and the Longmaxi (龙马溪) Formation in Central Guizhou (...