云南个旧老厂矿田东部大比例尺构造地球化学特征及找矿预测

黄大正, 陈守余, 赵江南, 吴帅吉, 张毓策

Large scale tectonic geochemical characteristics and prospecting prediction in eastern Laochang orefield, Gejiu, Yunnan Province

HUANG Da-Zheng, CHEN Shou-Yu, ZHAO Jiang-Nan, WU Shuai-Ji, ZHANG Yu-Ce

图8 个旧老厂矿田东部野外及岩心照片 a—构造破碎带角砾岩;b—褐铁矿化;c—网脉状、细脉状方解石脉;d—褐铁矿化碎裂岩;e—含矿矽卡岩;f—矽卡岩硫化矿石;g—透辉石矽卡岩;h—绿泥石化大理岩

Fig.8 Photographs field and core in the eastern part of Laochang ore field a—tectonic fracture zone breccia; b—limonitization; c—net-shaped and thin-shaped calcite veins; d—limonitization cataclastic rock; e—ore-bearing skarn; f—skarn sulfide ore; g—diopsideskarn; h—chlorite marble