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METALLOGENIC CHARACTERISTICS OF GOLD IN HOGGAR SHIELD, ALGERIA:A Case Study of Tin-Zakri Gold Deposit |
WANG Meng1, WANG Min2, ZHOU Ming-ling3, WANG Chang-liang1 |
1. Poly Mining Co., Ltd., Beijing 100010, China; 2. Chinese Academy of Geological Sciences, Beijing 100026, China; 3. No. 6 Institute of Geology and Mineral Resources Exploration, Zhaoyuan 265400, Shandong Province, China |
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Abstract The gold deposits of Algeria occur mainly in the Hoggar shield. Affected by the Pan-African movement, the gold deposits are distributed along north-south-trending fault belt. The Tin-Zakri deposit, which located in the north-south Tiririnienne metallogenic belt, is controlled by the NW-trending faults. Based on geological survey, 30 alteration zones with mineralizationaremapped,ofwhichtwometallization-alterationzones (Nos. 27 and 30) aremainorebodies.Theoccurrence of ore bodies are controlled by NW- and N-S-trending schistosity belts, and distributed in ductile shear zone as quartz veins. The sericitization is direct prospecting indicator, while the chloritization is important clue for gold mineralization.
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Received: 03 June 2015
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