Youliang Ren

Trace element geochemistry of altered volcanic ash layers (tonsteins) in Late Permian coal-bearing formations of eastern Yunnan and western Guizhou Provinces, China

Yiping Zhou, B. F. Bohor, Youliang Ren · International Journal of Coal Geology · 2000 · 211 citations

Geochemical Anomaly, Engineering, Trace Element Geochemistry +7

Origin and distribution of tonsteins in late permian coal seams of Southwestern China

Yiping Zhou, Youliang Ren, B. F. Bohor · International Journal of Coal Geology · 1982 · 65 citations

Engineering, Sedimentary Geology, Coal Basin +6

Distribution of arsenic in coals of Yunnan Province, China, and its controlling factors

Yiping Zhou, Youliang Ren · International Journal of Coal Geology · 1992 · 64 citations

Environmental Chemistry, Clean Coal Technology, Controlling Factors +7

Petrography and geochemistry of tonsteins from the 4th Member of the Upper Triassic Xujiahe formation in southern Sichuan Province, China

Kurt Burger, Yiping Zhou, Youliang Ren · International Journal of Coal Geology · 2002 · 54 citations

Engineering, Tectonic Evolution, Geology +3

Characteristics of zircons from volcanic ash-derived tonsteins in Late Permian coal fields of eastern Yunnan, China

Yiping Zhou, Youliang Ren, Dazong Tang et al. · International Journal of Coal Geology · 1994 · 39 citations

Engineering, Volcanic Ash-derived Tonsteins, Geology +8