Citation: | LI Lixing, LI Houmin, FU Jianfei, MA Yubo, YAO Yuzeng, LUAN Jinpeng. 2022. A new type of Nb-Ta mineralization discovered in the Neoarchean Anshan-type iron deposit of the northern North China Craton[J]. Geology in China, 49(4): 1353-1354. doi: 10.12029/gc20220425 |
a-Simplified geological map of the Anshan-Benxi area in the northern North China Craton; b-Profile of an exploration line of the Qidashan iron deposit; c-Chlorite-rich alteration zone in the contact between BIF and high-grade magnetite orebody; d-Sharp contact between chlorite-rich altered rock and high-grade magnetite ore; e-Columbite-group minerals intergrown with chlorite and muscovite