释义 |
Pillow basalt 基本例句 枕状玄武岩 Through K-Ar isotope age study in pillow basalt,has gained the isochrone age is 139Ma.The age is the formation age of pillow basalt.在枕状玄武岩中获得K-Ar全岩同位素年龄为139Ma测试单位:宜昌地质矿产所同位素室,因此确定其时代为晚侏罗世晚期。 Late Devonian pillow basalt and bedded chert in Changning-Menglian tectonic belt of southwestern Yunnan, China滇西南昌宁-孟连构造带晚泥盆世枕状玄武岩和层状硅质岩的特征 |