megacrysts
n. [岩] 大晶
例句
Clinopyroxene megacrysts have not undergone diffusion loss of hydrogen to a large extent.
单斜辉石巨晶自源区被携带至地表的过程中未经历明显的红扩散丢失。
Mingxi, Fujian, is a typical location of zircon megacrysts related to volcanic rocks in China.
福建明溪是我国和火山岩有关的锆石巨晶的典型产地。
Helium isotope compositions of the mantle-derived xenoliths and megacrysts from the Cenozoic basalts in Hannuoba were measured.
对该地区新生代玄武岩中幔源包体和高压巨晶的氦同位素进行了初步研究。