三江北段雁石坪地区成矿地球化学条件分析
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摘要
在三江北段雁石坪地区1∶5万化探工作中,通过元素组合特征和特征元素异常组合的分析,对雁石坪地区基础地质进行讨论,认为区内有较大规模的中基性火山岩(次火山岩)分布;存在一定规模中酸性侵入岩或脉岩群;雁石坪断裂、温泉兵站断裂等为区内导岩、控岩的较深大断裂,楚多—查琼北西向断裂带为导矿、控矿断裂带;背斜构造成矿条件优于向斜构造。基于以上认识,认为该区成岩成矿作用与中基性、中酸性岩浆活动密切相关,中、低温热液成矿和铁铜多金属成矿总体上属火山岩型、沉积—改造型。
Based on an analysis of elements association characteristics and anomalous element assemblage and a discussion on the basic geology of Yanshiping area,the authors have obtained the following new evidence for ore-forming geological background: There are big scale intermediate basic volcanic rocks in Yanshiping area,and there are some intermediate — acid intrusive rocks or vein rocks. Yanshiping fracture and Wenquanbinzhan fracture are deep fractures with rock-guiding and rock-control characteristics; NW-trending Chuduo-Chaqiong fracture is also rock-guiding and rock-control structure,and the ore-forming role of anticline structure is better than that of synclinal structure. According to the above conclusions,the authors hold that the Yanshiping mineralization is closely connected with intermediate basic volcanic rock and intermediate — acid intrusive rocks,and mesothermal and epithermal deposits and iron-copper polymetallic ore deposits are regarded as belonging to volcanic type and sedimentary- reworked type.
Based on an analysis of elements association characteristics and anomalous element assemblage and a discussion on the basic geology of Yanshiping area,the authors have obtained the following new evidence for ore-forming geological background: There are big scale intermediate basic volcanic rocks in Yanshiping area,and there are some intermediate — acid intrusive rocks or vein rocks. Yanshiping fracture and Wenquanbinzhan fracture are deep fractures with rock-guiding and rock-control characteristics; NW-trending Chuduo-Chaqiong fracture is also rock-guiding and rock-control structure,and the ore-forming role of anticline structure is better than that of synclinal structure. According to the above conclusions,the authors hold that the Yanshiping mineralization is closely connected with intermediate basic volcanic rock and intermediate — acid intrusive rocks,and mesothermal and epithermal deposits and iron-copper polymetallic ore deposits are regarded as belonging to volcanic type and sedimentary- reworked type.
引文
[1]韩生福,杨生德,潘彤,等.青海省第三轮成矿远景区划研究及找矿靶区预测[R].青海省国土资源厅,2005:303-307.
[2]宋玉财,侯增谦,杨天南,等.“三江”沉积岩容矿贱金属矿床:发育特点与成矿模型[D].北京:中国地质科学院,2012.
[3]宋玉财,侯增谦,李政,等.沱沱河茶曲帕查Pb(-Zn)矿:大陆碰撞背景下盆地流体活动的产物[J].矿物学报,2009,29(s1):186-87.
[4]宋玉财,侯增谦,杨天南,等.“三江”喜马拉雅期沉积岩容矿贱金属矿床基本特征与成因类型[J].岩石矿物学杂志,2011,30(3):355-380.
[5]青海省地质矿产局.青海岩石地层[M].武汉:中国地质大学出版社,1997.
[6]李勇,李亚林,段志明,等.1∶25万温泉兵站幅区域地质调查报告[R].成都理工大学地质调查院,2005.
[7]许光,刘玉军,陈发伟,等.1∶20万玛章错钦、温泉兵站幅地球化学图说明书[R].青海省地质调查院,2004.
[8]郑向光,雷群英,毛一峰,等.1∶5万温泉兵站地区地球化学图说明书[R].陕西省地质矿产勘查开发局第二综合物探大队,2014.
[9]向运川,仁天祥,牟绪赞,等.化探资料应用技术要求[M].北京:地质出版社,2010:41-42.
[10]杨小峰,刘长垠,张泰然,等.地球化学找矿方法[M].北京:地质出版社,2007:129-135.
[11]阮天健,朱有光.地球化学找矿[M].北京:地质出版社,1985:127-130.
[12]赵伦山,张本仁.地球化学[M].北京:地质出版社,1988:229-242.
[13]叶庆同,胡云中,杨岳清,等.“三江”地区区域地球化学背景和金银铅锌成矿作用[M].北京:地质出版社,1992.
[14]叶天竺,吕志成,庞振山,等.勘查区找矿预测理论与方法[M].北京:地质出版社,2014:358-376.
[15]潘彤,罗才让,伊有昌,等.青海省金属矿产成矿规律及成矿预测[M].北京:地质出版社,2006:176-203.
[16]侯增谦,王二七,莫宜学,等.青藏高原碰撞造山与成矿作用[M].北京:地质出版社,2008.
[17]莫宜学,路凤香,沈上越,等.“三江”特提斯火山作用与成矿[M].北京:地质出版社,1993.
[18]邓军,侯增谦,莫宜学,等.“三江”特提斯复合造山与成矿作用[J].矿床地质,2010,29(1):37-42.
[19]侯增谦,宋玉财,李政,等.青藏高原碰撞造山带Pb-Zn-Ag矿床新类型:成矿基本特征与构造控矿模型[J].矿床地质,2008,27(2):123-144.
[20]张洪瑞,杨天南,侯增谦,等.“三江”北段茶曲帕查矿区构造变形与铅锌矿化[J].岩石矿物学杂志,2011,30(3):467-474.
[2]宋玉财,侯增谦,杨天南,等.“三江”沉积岩容矿贱金属矿床:发育特点与成矿模型[D].北京:中国地质科学院,2012.
[3]宋玉财,侯增谦,李政,等.沱沱河茶曲帕查Pb(-Zn)矿:大陆碰撞背景下盆地流体活动的产物[J].矿物学报,2009,29(s1):186-87.
[4]宋玉财,侯增谦,杨天南,等.“三江”喜马拉雅期沉积岩容矿贱金属矿床基本特征与成因类型[J].岩石矿物学杂志,2011,30(3):355-380.
[5]青海省地质矿产局.青海岩石地层[M].武汉:中国地质大学出版社,1997.
[6]李勇,李亚林,段志明,等.1∶25万温泉兵站幅区域地质调查报告[R].成都理工大学地质调查院,2005.
[7]许光,刘玉军,陈发伟,等.1∶20万玛章错钦、温泉兵站幅地球化学图说明书[R].青海省地质调查院,2004.
[8]郑向光,雷群英,毛一峰,等.1∶5万温泉兵站地区地球化学图说明书[R].陕西省地质矿产勘查开发局第二综合物探大队,2014.
[9]向运川,仁天祥,牟绪赞,等.化探资料应用技术要求[M].北京:地质出版社,2010:41-42.
[10]杨小峰,刘长垠,张泰然,等.地球化学找矿方法[M].北京:地质出版社,2007:129-135.
[11]阮天健,朱有光.地球化学找矿[M].北京:地质出版社,1985:127-130.
[12]赵伦山,张本仁.地球化学[M].北京:地质出版社,1988:229-242.
[13]叶庆同,胡云中,杨岳清,等.“三江”地区区域地球化学背景和金银铅锌成矿作用[M].北京:地质出版社,1992.
[14]叶天竺,吕志成,庞振山,等.勘查区找矿预测理论与方法[M].北京:地质出版社,2014:358-376.
[15]潘彤,罗才让,伊有昌,等.青海省金属矿产成矿规律及成矿预测[M].北京:地质出版社,2006:176-203.
[16]侯增谦,王二七,莫宜学,等.青藏高原碰撞造山与成矿作用[M].北京:地质出版社,2008.
[17]莫宜学,路凤香,沈上越,等.“三江”特提斯火山作用与成矿[M].北京:地质出版社,1993.
[18]邓军,侯增谦,莫宜学,等.“三江”特提斯复合造山与成矿作用[J].矿床地质,2010,29(1):37-42.
[19]侯增谦,宋玉财,李政,等.青藏高原碰撞造山带Pb-Zn-Ag矿床新类型:成矿基本特征与构造控矿模型[J].矿床地质,2008,27(2):123-144.
[20]张洪瑞,杨天南,侯增谦,等.“三江”北段茶曲帕查矿区构造变形与铅锌矿化[J].岩石矿物学杂志,2011,30(3):467-474.