radiolarian

10.basement and unmetamorphosed terrigenous shallow carbonate rock in the Austria Alps -South Alps obduc-tion nappe and radiolarian silicalite in fault basins.

奥地利阿卑斯—南阿卑斯仰冲叠覆体中的基底和未受变的南大陆边缘的浅水碳酸盐及断陷盆地内较深水放射虫。

Study shows that the T3-J1 radiolarian cherty strata will be made such a potential target in the not too distant future.

过去未将此类地层列入勘探目标，研究认为此类地层将会成为一个潜在的油气勘探目标。