Silurian system

常見例句

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─理縣志留系茂縣群中廣泛發(fā)育的無根鉤狀褶皺的形態(tài)、產(chǎn)狀、成因和與大型褶皺構(gòu)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)果認為，鋁土礦的成礦物質(zhì)來源于下志留統(tǒng)韓家店群的水云母泥、頁巖。
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—志留系是川東南地區(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。