syenites

基本解釋

Taxkorgan complex,mainly composed of alkaline syenites and subalkaline granitoids,is the largest Cenozoic alkaline complex in Pamirs region.
新疆塔什庫爾干堿性雜巖體主要由苦子干堿性正長巖體和卡日巴生堿性花崗巖體組成,是帕米爾地區(qū)最大的新生代堿性雜巖體。
There exist such types of rocks as syenite, quartz syenite, aegirine-augite syenite, nepheline syenites, monzonite, quartz monzonites, alkaline gabbro, alkaline-feldspar granites and alkaline granite.
本文總結(jié)了它們的空間分布、形成時代、產(chǎn)狀、巖石組合和巖石化學特徵；
alkali syenit
堿性正長巖