基本解釋瘤狀燧石；[地質(zhì)] 結(jié)核狀燧石英漢例句雙語例句In limestone of Taiyuan Group, Origin of nodular chert and banded chert is that they had been replaced in diagenesis phase.太原群灰?guī)r中的燧石結(jié)核或條帶是在成巖作用堦段經(jīng)矽質(zhì)交代成因的。The Middle Permian Chihsia Formation of South China is featured by nodular chert, which is of implications in the reconstruction of coeval paleogeography and paleoceanography.燧石結(jié)核是華南地區(qū)二曡紀(jì)棲霞組的重要識別特征之一，其成因具重要的古地理、古海洋意義。dictall.comnodular chert更多例句專業(yè)釋義地球科學(xué)結(jié)核狀燧石瘤狀燧石