Zircon U-Pb geochronology and Hf isotopic characteristics of metamorphic rocks in the Gaji polymetallic metallogenic area in the southeastern Yunnan and their geological implications 
MA Yue-hua, et al. 

141

Experimental study on the adsorption of Li+ by clay minerals — implications for the mineralization of clay-type lithium deposit
ZHAO Yue, et al.

154

Experimental study on the optimization of copper-sulfur flotation separation by using the response surface method
LI Bo-qi, et al. 

163

Geochemistry, zircon U-Pb geochronology and Sr-Nd-Hf isotopic characteristics of the ore-forming granite in the Mayah tin deposit, Malaysia
DAI Xue-ling, et al.

176

Restoration and comparison of metamorphic protoliths in the a-2 and d-2 rock members of the Tanjianshan Group in the Xitieshan mining area, Qinghai Province
XU Chong, et al.

193

The geological significance of vesuvianite in the Heishuigou Zn-Cu deposit in the Dachang area,Guangxi Autonomous Region, China 
YANG Wan-qiu, et al. 

203

The occurrence of rare earth elements (REE) in the REE-bearing phosphate ores of the Damachang block in Zhijin County, Guizhou Province, China
CHEN Wen-xiang, et al. 

213

Mineralogical features, crystal structure, and floatability of the Mo-bearing scheelite
LI Mei-rong, et al. 

222

Recent advance and prospect of the lunar mineral resources exploration 
GAO Nan, et al. 

231

Study on preparation of Fe-Al composite column brace and adsorption behavior of butyl xanthate
LI Cai-xia, et al. 

239

Preparation and comparative study on negative ion release property of Mg and Li tourmaline/glass composites
LI Xin-ge, et al.

247

Discussion on yttrium enrichment process in marine phosphorites: take the boreholes of ZK819 and ZK2704 for examples in Zhijin area
GONG Xing-xiang, et al.