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REGIONAL METALLOGENIC CONDITIONS AND PROSPECTING DIRECTIONS OF GOLD DEPOSITS IN SOUTHEASTERN YUNNAN

Zhi Li

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Abstract

Based on the study of metallotect environment,it is pointed that the southeastern Yunnan Basin of late Palaeozoic－ Mesozoic era belongs to a taphrogeosyncline basin.The basin is not only a gold ore－ hosted space,but also a metallogenic locus.There are many horizons with high gold－ bearing content in the area.Metallogensis of gold deposits are controlled by stratum,rock type,and structural deformation as well as magmatism.The coupling gradient of these gold ore－ controlling factors is a key condition that gold deposits are formed,or not.According to the above analyses,the authors have established a regional metallogenic model for gold deposits,and emphasized that industral gold bodies can form only under sectors of high couplied gradient of gold ore－ controlling factors. Meanwhile,the prospecting directions of gold deposits are discussed.

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What this paper is about

Based on the study of metallotect environment,it is pointed that the southeastern Yunnan Basin of late Palaeozoic－ Mesozoic era belongs to a taphrogeosyncline basin.The basin is not only a gold ore－ hosted space,but also a metallogenic locus.There are many horizons with high gold－ bearing content in the area.Metallogensis of gold deposits are controlled by stratum,rock type,and structural deformation as well as magmatism.The coupling gradient of these gold ore－ controlling factors is a key condition that gold deposits are formed,or not.According to the above analyses,the authors have established a regional metallogenic model for gold deposits,and emphasized that industral gold bodies can form only under sectors of high couplied gradient of gold ore－ controlling factors. Meanwhile,the prospecting directions of gold deposits are discussed.

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Available abstract

Based on the study of metallotect environment,it is pointed that the southeastern Yunnan Basin of late Palaeozoic－ Mesozoic era belongs to a taphrogeosyncline basin.The basin is not only a gold ore－ hosted space,but also a metallogenic locus.There are many horizons with high gold－ bearing content in the area.Metallogensis of gold deposits are controlled by stratum,rock type,and structural deformation as well as magmatism.The coupling gradient of these gold ore－ controlling factors is a key condition that gold deposits are formed,or not.According to the above analyses,the authors have established a regional metallogenic model for gold deposits,and emphasized that industral gold bodies can form only under sectors of high couplied gradient of gold ore－ controlling factors. Meanwhile,the prospecting directions of gold deposits are discussed.

Key concepts: Prospecting, Geology, Geochemistry, Paleozoic, Mesozoic, Magmatism, Structural basin, Stratum

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REGIONAL METALLOGENIC CONDITIONS AND PROSPECTING DIRECTIONS OF GOLD DEPOSITS IN SOUTHEASTERN YUNNAN — Research Paper | ScholarLens