TY - RPRT TI - The ~1.85 Ga carbonatite in north China and its implications on the evolution of the Columbia supercontinent AU - Yuling Xie AU - Yunwei Qu AU - Richen Zhong AU - Philip L. Verplanck AU - Sebastien Meffre AU - Daoxue Xu PY - 2019 DO - 10.1016/j.gr.2018.10.001 UR - https://pubs.usgs.gov/publication/70201156 ID - 70201156 ER -