Sulphide-bearing black shales of the Early Cambrian Niutitang formation, underlain by Late Proterozoic dolomite of the Doushantuo formation. The shales above the contact contain millimeter-sized pebbles and disseminations of polymetallic sulphides.
Refs.:
- Fan, D. (1983): Polyelements in the Lower Cambrian black shale series in southern China. In: Augusthitis, S.S. (ed.): The significance of trace metals in solving petrogenetic problems and controversies. Theophrastus Publications S.A., Athens, 447–474.
- Coveney, R.M., Grauch, R.I., and Murowchick, J.B. (1993): Ore mineralogy of nickel-molybdenum beds hosted by black shales of south China. In: Reddy, R.G., and Weizenbach, R.N. (eds): The minerals, metals and materials society, Proceedings of the Paul E. Queneau International Symposium "Extractive Metallurgy of Copper, Nickel and Cobalt", 369–375.
- Shaoyong Jiang, Yongquan Chen, Hongfei Ling, Jinghong Yang, Hongzhen Feng, and Pei Ni (2006): Trace- and rare-earth element geochemistry and Pb–Pb dating of black shales and intercalated Ni–Mo–PGE–Au sulfide ores in Lower Cambrian strata, Yangtze Platform, South China. Mineralium Deposita 41, 453-467.
- Ponavic, M., Pasava, J., Vymazalova, A., Kribek, B., Hailin Deng, Taiji Luo, Chaoyang Li, and Mingguo Zeng (2006): Fractionation of toxic trace elements in soils around Mo-Ni black shale-hosted mines, Zunyi region, southern China: Environmental implications. Bulletin of Geosciences 81(3), 197-206.
- Lehmann, B., Nägler, T.F., Holland, H.D., Wille, M., Jingwen Mao, Jiayong Pan, Dongsheng Ma, and Dulski, P. (2007): Highly metalliferous carbonaceous shale and Early Cambrian seawater. Geology 35(5), 403-406.
- Mineralogy & Petrology 92 (2008), 321
