apoandesite

Pyroxene crystallites in boninite matrix possess peculiar dendritic morphological featuresin the Xiangcheng area, western Sichuan.

川西乡城地区的玻镁安山岩基质中辉石微晶具有奇特的枝晶形貌。

The spherolitic boninites in Xiangcheng area, Western Sichuan Province, are glassy medium lava which possesses pyroxene phenocryst and quenched texture.

川西乡城地区的球颗状玻镁安山岩是一种玻璃质、含辉石斑晶、具淬火结构的中性熔岩。