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

松树沟石墨矿床黑云斜长变粒岩矿石稀土元素配分曲线图^{[ 11 ]}