地质与资源
地質與資源
지질여자원
GEOLOGY AND RESOURCES
2009年
2期
110-115
,共6页
刘晓林%范平%郑志丰%李爱莉
劉曉林%範平%鄭誌豐%李愛莉
류효림%범평%정지봉%리애리
钼多金属成矿带%钼矿床%花岗斑岩%夕卡岩%远景预测%辽西
鉬多金屬成礦帶%鉬礦床%花崗斑巖%夕卡巖%遠景預測%遼西
목다금속성광대%목광상%화강반암%석잡암%원경예측%료서
molybdenum-polymetal metallogenic belt%molybdenum deposit%granite-porphyry%skarn%exploration prospect%Western Liaoning Province
辽西杨家杖子-八家子钼多金属矿成矿带钼矿床与燕山期中酸性岩体关系密切.产于花岗质岩类与碳酸盐岩地层接触带的钼矿床为夕卡岩型或斑岩一夕卡岩型钼矿床.产于花岗斑岩、长英质或中性火山岩内的钼矿床多为斑岩型钼矿床.不同类型钼矿床在成因、分布规律以及成矿元素的分带性上有着密切的时空关系.钼矿床的成矿物质来源于花岗岩,细粒花岗斑岩是主要成矿母岩.从成矿条件分析可确定,该钼多金属成矿带的找矿远景可观.
遼西楊傢杖子-八傢子鉬多金屬礦成礦帶鉬礦床與燕山期中痠性巖體關繫密切.產于花崗質巖類與碳痠鹽巖地層接觸帶的鉬礦床為夕卡巖型或斑巖一夕卡巖型鉬礦床.產于花崗斑巖、長英質或中性火山巖內的鉬礦床多為斑巖型鉬礦床.不同類型鉬礦床在成因、分佈規律以及成礦元素的分帶性上有著密切的時空關繫.鉬礦床的成礦物質來源于花崗巖,細粒花崗斑巖是主要成礦母巖.從成礦條件分析可確定,該鉬多金屬成礦帶的找礦遠景可觀.
료서양가장자-팔가자목다금속광성광대목광상여연산기중산성암체관계밀절.산우화강질암류여탄산염암지층접촉대적목광상위석잡암형혹반암일석잡암형목광상.산우화강반암、장영질혹중성화산암내적목광상다위반암형목광상.불동류형목광상재성인、분포규률이급성광원소적분대성상유착밀절적시공관계.목광상적성광물질래원우화강암,세립화강반암시주요성광모암.종성광조건분석가학정,해목다금속성광대적조광원경가관.
The molybdenum deposits in the Yangjiazhangzi-Bajiazi molybdenum-polymetal metallogenic belt in Western Liaoning Province are closely related to Yanshanian acid-intermediate intrusion. The deposits that occur in the contact zone between granitoid and carbonate strata are skarn or porphyry-skam type. The deposits hosted in granite-porphyry and felsic or intermediate volcanic rocks are mostly porphyry type of molybdenum deposits. The molybdenum deposits with different types share close spatiotemporal relations in genesis, distribution and zonation of ore-forming elements. The ore matters of the molybdenum deposits are derived from granite. The fine-grained granite is the parent rock for metallogenesis. Analysis on the metallogenic conditions shows a great prospect for exploration in the metallogenic belt.