1) syenite mass
正长岩体
1.
Kuangdonggou-Liangtun syenite mass in the southern margin of Yingkou-Kuandian anteclise within Sino-Korean paraplatform was emplaced in Gaixian Formation of Paleoproterozoic upper Liaohe Group.
矿洞沟 -梁屯正长岩体侵位年龄为 2 175。
2) syenite
[英]['saiə,nait] [美]['saɪə,naɪt]
正长岩
1.
The Preparation of Ceramic and Glass Materials by Use of Yaoan Syenite in Yunnan;
云南姚安正长岩用作陶瓷和玻璃原料的实验研究
2.
SHRIMP U-Pb zircon age of the Quannan syenite,southern Jiangxi:Constraints on the early Yanshanian tectonic setting of SE China;
赣南全南正长岩的SHRIMP锆石U-Pb年龄及其对华南燕山早期构造背景的制约
3.
~(40)Ar-~(39)Ar dating of the orthoclase from the Bugasi syenite body in the Coqen area,Tibet,China
西藏措勤地区布嘎寺正长岩体正长石的~(40)Ar-~(39)Ar年龄
3) orthophyre
['ɔ:θəfaiə]
正长斑岩
1.
Characteristics of Qoima orthophyre in central Qiangtang and its tectonic significance;
羌塘中部雀莫正长斑岩体特征及构造意义
2.
The metallogenetic geologilcal condition of the orthophyre contact zone in YanJia during the Ximalaya period is analysed in this paper.
通过对喜山期岩甲正长斑岩接触带成矿地质条件进行的分析,认为岩甲正长斑岩的接触带及其旁侧构造裂隙系统具备形成金矿的有利条件。
3.
The protolish of host rocks and near deposits wall rocks of the orthophyric tectonic altered rock type gold deposits was the orthophyre.
正长斑岩构造蚀变岩型金矿容矿岩石和近矿围岩的原岩属正长斑岩，它先后发生糜棱岩化，角砾岩化、碎裂岩化，加上后期多种蚀变作用的叠置，使其变得较为复杂。
4) foyaite
良正长岩
5) plauenite
钾正长岩
6) syenite porphyry
正长斑岩
1.
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
补充资料：霞石正长岩
| 霞石正长岩 nepheline-syenite 一种深成碱性岩。灰、浅绿、浅黄褐色。中粗粒。具似花岗结构。主要由碱性长石（65％～70％）、霞石（15％～025％）和碱性暗色矿物（10％～15％）组成。碱性长石主要为正长石、歪长石、微斜长石和钠长石；碱性暗色矿物以霓辉石、霓石、钠铁闪石、富铁钠闪石为主。辉石类矿物的环带构造发育。常见磁铁矿、钛铁矿、磷灰石、锆石、榍石等副矿物。主要岩石变种有：①云霞正长岩。主要由钾长石、钠长石、霞石和铁黑云母组成。②流霞正长岩。主要由正长石(57％)、霞石（20％～25％）、霓石、辉石、角闪石及少量黑云母、钠长石组成。③钠霞正长岩。其主要特征是其中的长石均为钠长石。典型的钠霞正长岩由板状霞石(15％～30％)、长柱状钠长石（50％～70％）及少量暗色矿物组成。在自然界，多呈岩床、岩株产出。常与碱性正长岩、碱性花岗岩、碱性辉长岩等一起组成杂岩体。与其有关的矿产有铌、钽、稀土、锆和铀等。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条