chalcedonic
基本解釋
- adj.石髓的;堅強的
英漢例句
- A siliceous rock of chalcedonic or opaline silica occurring in limestone.
硅石出現(xiàn)在灰?guī)r中的玉髓或蛋白色硅石 - This rock contained chalcedonic cement before it underwent diagenesis, a process where low temperatures and low pressures alter the content of sediments before they finally lithify, or turn into rock.
在它經(jīng)歷成巖作用之前,它含有燧石質(zhì)的膠結(jié)成分。成巖作用過程中,低溫抵壓改變了沉積物的成分,而后固結(jié)成巖。 - a siliceous rock of chalcedonic or opaline silica occurring in limestone
出現(xiàn)在灰?guī)r中的玉髓或蛋白色硅石 - chalcedonic chert
玉髓狀燧石