广西大瑶山成矿带盘龙-朋村铅锌矿特征及找矿远景
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摘要
广西盘龙-朋村铅锌矿均位于大瑶山铅锌成矿带之西南端,盘龙-朋村铅锌矿总体上沿北东向构造线呈近等距分布,单个矿体呈似层状、透镜状赋存于中泥盆统四排组中-上段(D2s2-3)白云岩层中,矿体产状与围岩产状大致相同。盘龙-朋村铅锌矿均属于喷流-沉积型铅锌矿,矿床的形成及矿体的展布受同生断层影响下的多级沉积盆地控制。在盘龙-古立-朋村之间地下深部及已知矿体上下盘岩层中,具有较好的找矿远景。
Panlong-Pengcun Pb-Zn deposits of Guangxi are in the SW end of Dayaoshan Metallogenesis zone,which are generally distributed in isochore along NE structural line. The individual ore body is stratoid,lenticular in Middle Devonian Sipai Formation mid-upper member( D2s2-3) dolomitite. The occurrence of orebody is roughly similar to that of the wall rock. Panlong-Pengcun Pb-Zn deposit belongs to effusion-sedimentation type Pb-Zn deposit. The formation of deposit and the distribution of orebody are controlled by the multistage sedimentary basin under the influence of contemporaneous fault. The prospecting potentiality is good in the deep underground Panlong-Guli-Pengcun area and upper,lower wall rocks.
Panlong-Pengcun Pb-Zn deposits of Guangxi are in the SW end of Dayaoshan Metallogenesis zone,which are generally distributed in isochore along NE structural line. The individual ore body is stratoid,lenticular in Middle Devonian Sipai Formation mid-upper member( D2s2-3) dolomitite. The occurrence of orebody is roughly similar to that of the wall rock. Panlong-Pengcun Pb-Zn deposit belongs to effusion-sedimentation type Pb-Zn deposit. The formation of deposit and the distribution of orebody are controlled by the multistage sedimentary basin under the influence of contemporaneous fault. The prospecting potentiality is good in the deep underground Panlong-Guli-Pengcun area and upper,lower wall rocks.
引文
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[2]罗永恩.广西武宣县盘龙铅锌矿床地质特征及控矿因素分析.地质与资源,2009,18(03):183-188.
[3]李辰,欧阳菲,曾南石,李超等.大瑶山西南段铅锌矿集区矿床地质特征及其成因分类.有色金属(矿山部分),2014,66(6):43-46.
[4]周怀玲,袁少平等.广西大瑶山西侧泥盆纪沉积特征与层控矿床控矿条件[J].广西地质,1990,3(4):1-13.
[5]薛静,戴塔根,付松武等.广西武宣盘龙铅锌矿喷流沉积成矿作用:稀土元素和硫同位素证据[J].大地构造与成矿学,2011,35(3):394-403.
[6]广西壮族自治区地质矿产局.广西壮族自治区区域地质志[M].北京:地质出版社,1985
[7]Bastin,E.S.,1939.Contributions to knowledge of the lead and zinc de-posits of the Mississippi Valley region[M].Geol.Soc.Am.Spec.Pap.24:156p.
[8]顾连兴.块状硫化物矿床研究进展评述[J].地质论评,1999,45(3):265-275.
[9]李毅.广西热水沉积矿床成矿规律及找矿方向研究.长沙:中南大学博士学位论文,2007:27-28.
[10]袁少平,张振贤,周怀玲.广西大瑶山西侧层控矿床成因类型及成矿机理[J].广西质,1989,(04):31-39.
[11]Large,D.E.Geological parameters associated with sediment-hosted submarineexhalative Pb-Zndeposits:anempiricalmodelformineralexploration[J].Geologisches Jahrbueh.1980,40:59-129.
[12]汤静如.典型金属矿床正断层中继构造控矿作用研究[D].中南大学,2006.