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- Jiliuhe granites 激流河花岗岩
- The rapakivi granites have a number of petrological peculiarities. 环斑花岗岩具有若干岩石学的特征。
- 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。
- 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。
- In the granites and related rocks the alkalis are, of course, noticeably in excess of the femic constituents. 在花岗岩及有关的岩石中,碱质当然显著地超过铁镁组分。
- The petrology of belt of miarolitic granites in the southeast coast of fujian province and their generation II. 福建沿海晶洞花岗岩带的岩石和成因演化2。
- Zircon U-Pb ages, geochemistry and its petrogenesis of Jurassic granites in northeastern part of the Da Hinggan Mts. 大兴安岭东北部侏罗纪花岗质岩石的锆石U-Pb年龄、地球化学特征及成因。
- By calculating the calc-alkali index (CA) and alumina saturation index (ASI), the magma types of the granites can be roughly determined. 通过钙碱指数(CA)和铝饱和指数(ASI)的计算,可以大体获知花岗岩的岩浆类型。
- A-type granites keep abreast of I-type and S-type granitites, and are animportant genetic type. 与I型和S型花岗岩一样,A型花岗岩也是一种重要的成因类型。
- Because of this belt of the Mesozoic granites of the groundwater of the jointed rock cracks, water-spring. 因这一带系中生代花岗岩,地下水附存于岩体的节理裂缝之中,积水成泉。
- Late Hercynian intrusions are dominated by acid granites with small amount of diorite. 华力西晚期以酸性花岗岩为主,另有少量闪长岩。
- The main structures are fractures,and the granites formed at late Caledonian stage,middle Hercynian stage. 该区的地壳演化经历了基底陆壳、拉张型过渡壳、汇聚型过渡壳、新陆壳及新陆壳在中生代的发展等阶段。
- Yali Stone has been at natural quarry exploitation and granites international trade more than ten years. 雅利石材,十余年来专注于天然石材矿山的开发和石材荒料的国际贸易。
- Unfortunately, there were different cognition about the era and petrogenesis of Raohe granites by now. 然而关于本区花岗岩的形成时代及成因等方面的问题至今仍存在有不同的认识。
- Comparing with the Presinian migmatitic granites, this Group has higher density and susceptibility. 与前震旦纪混合花岗岩相比,兴华渡口群具有密度高、磁性强的特点。
- The voluminous alkaline granites in the region were probably from the same magma source, but crystallized at upper crust depth. 该地区体积巨大的碱性花岗岩可能也来自相同的岩浆源;只不过它是在较浅的地壳深度上结晶的.
- In several altered granites and gnoisses Nascimento monitored swelling began almost immediately after the water was added. 在Nascimento观察的几块蚀变的花岗岩和片麻岩中膨胀作用是在加水之后几乎是立即就发生。