河北省尚义县松树沟石墨矿矿床地球化学特征及成因分析
王广1, 齐新国2, 付茂英2, 田腾飞2

Geochemical characteristics and genesis analysis of Songshugou graphite deposit in Shangyi County of Hebei Province
WANG Guang1, QI Xinguo2, FU Maoying2, TIAN Tengfei2
黑云斜长变粒岩矿石(al+fm)-(c+alk)-Si图解