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- The occurrence of the Yanshanian granites indicates that the main sinistral strike-slip movement of the Tan-Lu fault system probably took place during the late Indosinian epoch. 它控制燕山期花岗岩产出空间,指示郯庐断裂带左行平移可能发生在印支晚期。深断裂的属性使其成为金矿重要的区域控矿构造。
- There are rhythmic skarn zoning, mainly magnesian skarns and calcic skarns, in contract metasomtites between Yanshanian granites and Triassic carbonate rocks in the Tangziwa deposit, Gejiu. 从地质产状、矿物组合和岩石化学成分等方面探讨了个旧塘子凹接触带不同类型夕卡岩的特征。
- The Complex rock mass consists of Caledonian granite, Indo-Sinian granite and early Yanshanian granite. 都庞岭复式岩体由加里东期、印支期和燕山早期花岗岩组成。
- Yuerya-type gold deposit occurs within the Yanshanian granite and its contact zone with Mesoproterozoic dolomitite. (2)产于中生代花岗岩中及其接触带中的峪耳崖式金矿;
- Hypo-thermal tungsten deposits came into being after intrusion of ore-bearing Yanshanian granite in the Wumushan area. 五亩山地区燕山期花岗岩侵入活动后,形成了高温热液裂隙石英脉型黑钨矿(白钨矿)矿床。
- The Xiasai silver-polymetallic deposit lies in the exometamorphic zone of the late Yanshanian granite body in the Yidun island arc orogenic belt in West Sichuan. 夏塞银矿位于川西义敦岛弧造山带燕山晚期绒依措花岗岩体外接触带浅变质岩中,是一个超大型的中低温热液脉型银多金属矿床。
- Yanshanian granites 燕山期花岗岩
- Keywords tin deposit;reserve;Yanshanian granite;Nanling region; 锡矿;资源量;燕山期花岗岩;南岭;
- The granites formed at late Caledonian stage, middle Hercynian stage and late Hercynian stage are widely exposed and some formed at Yanshanian stage in the Nurt area. 花岗岩广泛分布,主要为加里东晚期、华力西中晚期花岗岩,少量燕山期花岗岩。
- They are genetically related to Yanshanian intermediate_acid granites distributed extensively in East Qinling area and occur along the endo_ and exo_contact zones of the porphyry. 其形成与燕山期中酸性浅成_超浅成小花岗斑岩体有关,钼矿床直接产于岩体内外接触带及其附近;
- The rapakivi granites have a number of petrological peculiarities. 环斑花岗岩具有若干岩石学的特征。
- Origin of rock-forming minerals from some late Yanshanian granite bodies in Hainan island 海南岛燕山晚期典型侵入岩成因矿物学研究及其地质意义
- Ore-forming metals maybe mostly derived from the granites. 花岗岩浆是成矿物质来源和成矿热源。
- Keywords Da hinggan mountains;tin-deposit;polymetallic deposit;metallogenic series;Yanshanian granitoid; 大兴安岭;锡矿床;多金属矿床;成矿系列;燕山期花岗岩;
- Keywords mineralization in the Indosinian basalt;superimposition of the Yanshanian granite;tin deposit;Gejiu;Yunnan Province; 印支期玄武岩成矿;燕山期花岗岩热液叠加-改造成矿;锡矿床;云南个旧;
- S-type granites should not be considered as the evidence of plume magmatism. 不能把S-型花岗岩作为地幔柱岩浆作用的证据。
- The alkaline granites are observed for the first time in northern Qiangtang. 岩石方面,在羌塘北部首次发现碱性花岗岩类;
- Both are related to the hypabyssal stock and the magnetite series granites. 二者都与浅成小岩株、磁铁矿系列花岗岩有关;
- This paper also makes theoretic discussions on the rapakivi granites. 最后对研究秦岭环斑花岗岩的几个理论问题进行了探讨。
- Yanshanian Huashan-Guposhan granites 燕山期花山-姑婆山花岗岩体