underlying strata

常見例句

There exists a large-scale transgressive onlap boundary between the Langshan Formation and its underlying strata.
證實(shí)郎山組與下伏地層之間存在一大型海侵超覆界面；
It is revealed that the lead in the deposit is mostly derived from the volcanic rocks and partly from the underlying strata.
礦床中的大多數(shù)硫由火山熱液提供的，部分來自海水。
The subaerial and subaqueous volcanic rocks have significant differences in lithology, texture and structure, alteration, occurence, contact with underlying strata, pore and fissure development.
在充分考慮火山巖儲(chǔ)層特征和地層非均質(zhì)性的基礎(chǔ)上，運(yùn)用常規(guī)測(cè)井信息、氣測(cè)錄井及測(cè)井新技術(shù)對(duì)火山巖儲(chǔ)層進(jìn)行綜合評(píng)價(jià)。