云南迪庆春都铜矿控矿地质条件
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摘要
铜矿体赋存于印支期浅成—超浅成相的石英二长玢岩体内,具斑岩型矿床的蚀变特征,主要控矿因素为岩浆岩、岩浆侵位的地层、热液蚀变作用和构造裂隙等。是印支期甘孜-理塘洋向西俯冲造山晚期与超浅成斑(玢)岩密切有关的斑岩型铜矿床,矿区及外围具有较大的找矿潜力。
The Cu ore body of orefield exists in the Indosinian epizonal and super-epizonal quartz monzonite porphyrite,with the alteration characteristics of porphyry type ore deposit.The main ore-controlling factors are magmatic rock,strata of magma emplacement,hydrothermal alteration and structure fissure,etc.It is the porphyry type Cu deposit close in relation to super-epizonal porphyry(porphyrite) in late orogenic epoch of westward subduction of Indosinian Ganzi-Litang ocean.The prospecting potentiality is good in the orefield and surrounding area.
The Cu ore body of orefield exists in the Indosinian epizonal and super-epizonal quartz monzonite porphyrite,with the alteration characteristics of porphyry type ore deposit.The main ore-controlling factors are magmatic rock,strata of magma emplacement,hydrothermal alteration and structure fissure,etc.It is the porphyry type Cu deposit close in relation to super-epizonal porphyry(porphyrite) in late orogenic epoch of westward subduction of Indosinian Ganzi-Litang ocean.The prospecting potentiality is good in the orefield and surrounding area.
引文
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[13]林清茶,夏斌,张玉泉.云南中甸地区雪鸡坪同碰撞石英闪长玢岩锆石SHR IMP U~Pb定年及其意义[J].地质通报,2006,25(1~2):133~135.
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[2]曾普胜,莫宣学,喻学惠,等.滇西北中甸地区中-酸性斑岩及其含矿性初步研究[J].地球学报,1999,20(增刊):359~366.
[3]曾普胜,李红,罗锡明,杨伟光.滇西北中甸地区的铜金找矿远景[J].黄金地质,2000,6(3):13~18.
[4]杨岳清,侯增谦,黄典豪,等.中甸弧碰撞造山作用和岩浆成矿系统[J].地球学报,2002,23(1):17~24.
[5]曾普胜,莫宣学,喻学惠,等.滇西北中甸斑岩及斑岩铜矿[J].矿床地质.2003,22(4):393~400.
[6]侯增谦,杨岳清,曲晓明,等.三江地区义敦岛弧造山带演化和成矿系统[J].地质学报,2004,78(1):109~118.
[7]侯增谦,杨岳清,王海平,等.三江义敦岛弧碰撞造山过程与成矿系统[M].北京:地质出版杜,2003.
[8]曾普胜,王海平,莫宣学,等.中甸岛弧带构造格架及斑岩铜矿前景[J].地球学报,2004,25(5):535~540.
[9]侯增谦,罗再文.三江地区义敦岛弧安山岩成因[J].岩石矿物学杂志,1992,11(1):1~14.
[10]莫宣学,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.
[11]李兴振,刘文均,王义昭,等.西南三江地区特提斯构造演化与成矿(总论)[M].北京:地质出版杜,1999.
[12]曾普胜,李文昌,王海平,等.云南普朗印支期超大型斑岩铜矿:岩石学及年代学特征[J].岩石学报,2006,22(4):990~1000.
[13]林清茶,夏斌,张玉泉.云南中甸地区雪鸡坪同碰撞石英闪长玢岩锆石SHR IMP U~Pb定年及其意义[J].地质通报,2006,25(1~2):133~135.
[14]曾普胜,侯增谦,李丽辉,等.滇西北普朗斑岩铜矿床成矿时代及其意义[J].地质通报,2004,23(11):1127~1130.
目录
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