cherts
英[tʃɜːt]
美[tʃɜːrt]
- n. [岩]燧石；黑硅石；角岩
- n. （Chert）人名；（罗）凯尔特
双语例句
- 1. The radiolarian cherts in the Wenbei region of Shaanxi Province are a formation of pelagic sediments formed within the North China Platform.
- 渭北奥陶系的放射虫燧石岩是在稳定的华北地台上形成的远洋沉积。
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- 2. The geochemistry of the cherts reflects that the cherts coexisting with island-arc volcanic rocks all formed the background of continental margin basin.
- 硅质岩的沉积地球化学研究表明，与岛弧火山岩共生的硅质岩为生物成因，形成于大陆边缘盆地的构造背景。
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- 3. The rare earth elements reflect that these cherts formed in the deep-water basin far from continent where terrestrial material had no obvious effect to them.
- 但硅质岩稀土元素特征反映其受陆源影响不明显，为远离陆源的深水盆地沉积。
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- 4. The rare earth elements reflect that these cherts formed in the deep-water basin far from continent where terrestrial material had no obvious effect to them.
- 但硅质岩稀土元素特征反映其受陆源影响不明显，为远离陆源的深水盆地沉积。
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