GEOCHEMISTRY OF STREAM SEDIMENTS AND EXPLORATION PROSPECTS IN QUPANGLANGXIE AREA, QINGHAI PROVINCE
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摘要:
曲旁浪斜地区位于巴颜喀拉地块的北东缘，断裂构造发育.区域内已发现多个金（锑）矿床和矿化点，成矿地质条件优越.通过开展1：5万水系沉积物测量，认为Sb、Au元素具有较大的成矿潜力.依据元素组合特征和成矿地质条件，圈定出综合异常21处，划分出4处远景区，并发现一处金、锑矿化点.
Abstract:The Qupanglangxie area is located in the northeastern margin of Bayankala block, where the fault structures are well developed. Several gold (antimony) deposits and mineralized spots have been found in the area, with favorable metallogenic geological conditions. Based on the 1:50 000 stream sediment survey, it is considered that Sb and Au have great ore-forming potential. According to the element combination characteristics and metallogenic conditions, 21 comprehensive anomalies are delineated, then 4 prospective areas are identified and one gold-antimony mineralized spot is found in the area.
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表 2 曲旁浪斜地区水系沉积物元素地球化学异常下限
Table 2. Element anomaly thresholds of stream sediments in Qupanglangxie area
元素 Au Cd Hg Ag Sn Mo Bi Mn Ni Cu Zn Pb As Sb Co 异常下限 6.49 0.15 169.19 64.82 3.25 0.86 0.38 1535.71 37.76 35.01 100.29 24.65 27.01 2.81 19.08 含量单位：Au、Ag、Hg元素为10-9，其他元素均为10-6. 
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