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2 个旧老厂矿田东部地质简图及采样位置 1—个旧组马拉格段三层,白云岩夹灰质白云岩;2—个旧组马拉格段二层,白云岩与含白云质灰岩互层;3—个旧组马拉格段一层,厚层状白云岩;4—个旧组卡房段六层,灰岩与灰质白云岩互层;5—个旧组卡房段五层,灰岩夹灰质白云岩;6—地层界线;7—断层;8—断裂破碎带;9—采样点位置

Fig.2 Geological sketch and sampling location of the eastern part of the Laochang ore field in Gejiu 1—the third layer of the Malage section of the Gejiu formation,dolomite with lime dolomite; 2—the second layer of the Malage section of the Gejiu formation,interbedded dolomite and dolomitic limestone; 3—the first layer of the Malage section of the Gejiu formation,thick layered dolostone; 4—the sixth layer of the Kafang section of the Gejiu formation,interbedded limestone and lime dolomite; 5—the fifth layer of the Kafang section of the Gejiu formation,limestone with lime dolomite; 6—stratigraphic boundary; 7—fault; 8—faulted and shattered zone; 9—sampling location