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Conformational Changes of Orebodies at the Depth of the Baguamiao Gold Deposit in Shaanxi Province

详细信息

责任者：He Qiusheng (Shaanxi Fengxian Sifang Gold Mining Ltd. ; Fengxian 720012 ; China) ; Hou Mantang
刊名：Geology of Shaanxi
出版年：2009
卷期：27(1)
关键词：金矿 ; gold ores ; 陕西 ; Shaanxi Province
页码：p.19-26
图表：2 illus., 12 refs.
分类号：1001
issnNo：ISSN1001-6996
isbnNo：CN61-1150/P

摘要

Mineralized ores of the elevation of 1 290 m in the Baguamiao gold deposit are present in stratiform, stratoid and phacoidal shapes, in which the maximum thickness of individual orebodies is 70.3m with gold grade ≥3×10^-6. Gold grade is ≥2×10^-6 within an area of 200 m long and 200 m wide bounded in between exploration lines No.62 and No.72. Orebodies under the elevation of 1 290 m are present in individual mineralized veins. They have a thickness ranging between 2～10 m and gold grade ≥3×10^-6, which is different from the orebodies above the elevation that the gold grade is higher at line 62, middle at line 72 and poor at line 67. Some suggestions and recommendations have been made for next production through analysis of lithology, structures, alteration and macro-variation of minerals that are obtained from underground exploration and drilling.

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