Igneous, metamorphic and sedimentary rocks are all featured including basalt, breccia, chert, gneiss, granite, limestone and pumice.

 
  • 对火成岩、变质岩以及沉积岩(包括玄武岩、黑硅石、片麻岩、花岗岩、石灰石、浮石)作了更为详细的说明。
今日热词
目录 附录 查词历史