常見(jiàn)例句It contains the deeply dissected Bungle Bungle Range composed of Devonian-age quartz sandstone eroded over a period of 20?這些成行成列的塔形或圓錐形的山巒,由泥盆紀(jì)時(shí)代的石英砂搆成。In Puan-Qianchang of Guizhou Province, the middle and late Devonian sedimentary rocks were mainly developed during the Devonian Period.貴州普安鉛廠泥盆紀(jì)主要發(fā)育中晚泥盆世的地層。 返回 Devonian period