川滇黔接壤区石炭纪岩相古地理与铅锌矿关系分析
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摘要
川滇黔接壤区铅锌矿产主要分布在石炭系地层中,其中石炭系地层中的矿床数占已发现矿床的45.77%.通过研究可知,铅锌矿的赋矿层位主要为下石炭统摆佐组和大塘组和中石炭统黄龙群中.通过对本区石炭纪岩相古地理的分析可知,石炭系仍主要为海相稳定相的沉积.在矿源层形成过程中,生长断裂(同沉积断裂)起着重要作用,造成了铅锌矿产地及成型的铅锌矿床主要局限于凹陷带内,并受其控制,因此,沉积过程中铅锌矿的富集受到了古地理环境的影响很大.
The lead and zinc mineral resources in the contiguous area of Sichuan-Yunnan-Guizhou are mainly distributed in the carboniferous formation in which the number in the carboniferous strata deposits account for 45.77% of the ore deposits have been found. Through the work shows that lead-zinc mine mainly deposit in Lower Carboniferous Series Baizuo groups and Datang groups and in the Middle Carboniferous Series Huanglong groups. Based on the analysis of lithofacies palaeogeography of the carboniferous in this area is still in carboniferous for stable Marine sedimentary facies. In the process of formation of the sources,growth faults(synsedimentary faults) plays an important role in the lead-zinc deposit origin and forming of lead-zinc deposit is mainly confined to the hollow zone,and subject to be controlled,so the sedimentary lead-zinc mine in the process of enrichment is greatly influenced by ancient geographical environment.
The lead and zinc mineral resources in the contiguous area of Sichuan-Yunnan-Guizhou are mainly distributed in the carboniferous formation in which the number in the carboniferous strata deposits account for 45.77% of the ore deposits have been found. Through the work shows that lead-zinc mine mainly deposit in Lower Carboniferous Series Baizuo groups and Datang groups and in the Middle Carboniferous Series Huanglong groups. Based on the analysis of lithofacies palaeogeography of the carboniferous in this area is still in carboniferous for stable Marine sedimentary facies. In the process of formation of the sources,growth faults(synsedimentary faults) plays an important role in the lead-zinc deposit origin and forming of lead-zinc deposit is mainly confined to the hollow zone,and subject to be controlled,so the sedimentary lead-zinc mine in the process of enrichment is greatly influenced by ancient geographical environment.
引文
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[3]四川省地质矿产局.四川省区域地质志[M].北京:地质出版社,1991.
[4]韩润生,陈进,李元,等.云南会泽铅锌矿床构造控矿规律及其隐伏矿预测[J].矿物学报,2001,21(2):265-269.
[5]万天丰.中国大地构造学纲要[M].北京:地质出版社,2004.
[6]董家龙.黔西北地区铅锌矿矿床成矿规律与找矿研究[D].昆明:昆明理工大学,2010.
[7]谭清立,高建国,刘心开.川滇黔接壤区铅锌矿分布规律[J].河南科学,2013,31(9):1469-1475.
[8]王乾.康滇地轴东缘典型铅锌矿床分散元素镉锗镓的富集规律及富集机制[D].成都:成都理工大学,2006.
[9]金中国.黔西北地区铅锌矿控矿因素、成矿规律找矿预测研究[D].南京:中南大学,2006.
[10]柳贺昌,林文达.滇东北铅锌银矿床规律研究[M].昆明:云南大学出版社,1999.
[11]韩润生,刘丛强,黄智龙,等.云南会泽铅锌矿床构造控矿及断裂构造岩稀土元素组成特征[J].岩石矿物,2000,20(4):11-18.
[12]韩润生,刘从强,黄志龙,等.论云南会泽富铅锌矿床成矿模式[J].矿物学报,2001,21(4):115-121.
[13]黄智龙,李文博,韩润生,等.云南会泽超大型铅锌矿床成因研究中的几个问题[C]//峨眉地慢柱与资源环境效应学术研讨会文集,北京:中国地质学会,2003.