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- rapakivi syenite 环斑正长岩
- Rapakivi is a special rock in Precambrian. 环斑花岗岩是发育于前寒武纪的一种特殊岩石。
- The rapakivi granites have a number of petrological peculiarities. 环斑花岗岩具有若干岩石学的特征。
- 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。
- Generally, the intrusions is small and lithologic composions mainly include diorite, adamellite or syenite. 侵入岩体规模一般较小，岩性主要为闪长岩类、石英（二长）斑岩类或正长岩类的中酸性岩石。
- There are many deep xenoliths in silicified aegirine syenite porphyry of Xiaoqiaotou area, western Yunnan Province. 摘要滇西玉龙县小桥头硅化霓辉正长斑岩中，含有较多镁铁-超镁铁质深源包体岩石。
- Recently,3 special xenoliths have been discovered in the aegirine syenite porphyry at Liuhe. 在六合霓辉正长斑岩中广泛发育的各类包体岩石中,新近发现了三类特殊包体。
- The Yingfeng rapakivi granite which like a bean between Tanjianshan group and Dakendaban group, located between scale ductile shear zone. 摘要鹰峰岩体侵位于达肯大阪群和万洞沟群之间，呈扁豆状产出。
- The authors reported Mesozoic granitoids with rapakivi texture occurring in the Qinling orogenic belt. 笔者曾报道了在秦岭造山带中发育有印支期具有环斑结构的花岗质岩石。
- They are mostly granite, granodiorite, quartz syenite and monzodiorite.Different types of granitic rocks are exposed in different tectonic units. 岩石类型主要为花岗岩、花岗闪长岩、石英正长岩及二长闪长岩。
- The Beiya gold deposit with a large-sized prospective reserves is a polygenetic deposit related to alkaline syenite porphyry. 北衙金矿床是与碱性正长斑岩有关的具大型资源远景的一个多成因矿床。
- Recent studies show, however, that rapakivi granites can be formed in age from Archaean to Phanerozoic and can even occur in orogen. 环斑花岗岩既可以出现于从太古代到显生宙的各个地质时期,也可以产生于造山带中。
- In this paper, the authors reviewed the development and research status of nepheline syenite in Gejiu in the last 44 years. 综述了44年来个旧白云山霞石正长岩开发利用研究的基本情况。
- Metallogenic conditions are analyzed from the magmatism of REE bearing syenite,hydrothermal activity and fracture activity. 从富含稀土的正长岩岩浆活动、浅成热液作用和断裂构造分析了矿床成矿条件。
- The rock mass of syenite porphyry in the north part of Babaoshan coal mine was demonstrated on its lithologic characters,geologic age and occurence. 从岩体的岩性、时代、产状等方面，论证了八宝山煤矿北部的正长斑岩体为一岩盖，下部找煤前景可观，可在井下实施巷探和定向钻探找煤，以延长矿井寿
- Dalucao Xishan etc.Metallogenic conditions are analyzed from the magmatism of REE-bearing syenite,hydrothermal activity and fracture activity. 从富含稀土的正长岩岩浆活动、浅成热液作用和断裂构造分析了矿床成矿条件。
- There exist quite a few deep xenoliths in silicified aegirine syenite porphyry within Jinhe intrusive body of Jianchuan, western Yunnan Province. 摘要云南剑川金河岩体中的硅化霓辉正长斑岩含有较多的镁铁-超镁铁质深源岩石包体。
- The rapakivi granite of the Qinling-Kunlun is remarkably characterized by its existence in the orogenic belt,closely related with the suture belt of platform. 秦岭-昆仑造山带中环斑花岗岩的显著特征是都产在造山带中,与板块缝合带关系密切,时代从元古宙到古生代直到中生代都有发现,具多旋回性。
- Using nepheline syenite as a substitute for feldspar,the batch mixtures were prepared on a composition of float glass and are melted into glasses. 以霞石正长岩取代长石，按照浮法玻璃的成份制备配合料并熔制玻璃。
- Lu Xinxiang, Wei Xiangdong, Xiao Qinghui, Li Rongshe and Yang Yongcheng. 1998. Rapakivi granite belt discovered in the western Qinling mountains. Geol. Rev. , 44(5) :535. 卢欣祥;尉向东;肖庆辉;李荣社;杨永成.;1998
