Dawsonite in the shapes of foliated columnar, cluster, radial, chrysanthemum or random hair mainly filled in the intergranular pores as cements and a few replaced grains such as feldspar and quartz.

 
  • 其中,片鈉鋁石呈板柱狀、束狀、放射狀、菊花狀、雜亂毛發(fā)狀集合體,主要作為膠結物產(chǎn)于碎屑巖碎屑顆粒間的孔隙中,少量交代長(cháng)石、石英等碎屑。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan