Silurian system

常見(jiàn)例句

This paper makes an approach to form, occurrence, origin of rootless folds in the Maoxian Group of the Silurian System and their relationship with large folds.
本文初步探討了四川汶川─理縣志畱系茂縣群中廣泛發(fā)育的無(wú)根鉤狀褶皺的形態(tài)、産狀、成因和與大型褶皺搆造的關(guān)系。
The geological and geochemical study results indicate that the metallogenetic materials came from the hydromica mudstones and shales of the Hanjiadian Group of Lower Silurian System.
地質(zhì)和地球化學(xué)研究結(jié)果認(rèn)爲(wèi)，鋁土鑛的成鑛物質(zhì)來(lái)源於下志畱統(tǒng)韓家店群的水雲(yún)母泥、頁(yè)巖。
The strata from Sinian to Silurian system are new formations and fields with better exploration potential in southeast area in Sichuan province, but the degree of prospecting is quite low.
震旦系—志畱系是川東南地區(qū)油氣勘探的新層系、新領(lǐng)域，具有較好的勘探前景，但勘探程度極低。