syenite
英 ['saɪəˌnaɪt] 美 ['saɪəˌnaɪt]

n.

正长岩（主要由长石和角闪石构成的灰色晶状岩石，有些含有石英）；

词组短语

nepheline syenite霞石正长岩；霞长石

权威例句

The discovery of Permian syenite inside Tarim basin and its geodynamic significance
Jurassic Gabbro-Granite-Syenite Suites from Southern Jiangxi Province, SE China: Age, Origin, and Tectonic Significance
Petrogenesis of Triassic post-collisional syenite plutons in the Sino-Korean craton:an example from North Korea
SHRIMP U-Pb zircon age of the Quannan syenite,southern Jiangxi:Constraints on the early Yanshanian tectonic setting of SE China
First report of early Triassic A-type granite and syenite intrusions from Taimyr: product of the northern Eurasian superplume?
The chemistry of zircon: Variations within and between large crystals from syenite and alkali basalt xenoliths
U-Pb and Sm-Nd isotopic ages of an alkaline syenite complex body in Liangtun-Kuangdongguo, Gai County, Liaoning Province, China and ...
Inherited zircon and titanite UPb systems in an Archaean syenite from southwestern Australia: implications for UPb stability of ...
Fractionation and Assimilation Processes in the Alkaline Augite Syenite Unit of the Ilímaussaq Intrusion, South Greenland, as Deduc...
Sm-Nd age and Sr, Nd isotopic characteristics of the Fanshan potassic alkaline ultramafite-syenite complex in Hebei province, China