siliceous [si'liʃəs]
- siliceous的基本解释
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adj.
硅酸的, 硅土的
- 相似词
- 拼写相近词组、短语
- siliceous sinter
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The results show that the white thick-bedded siliceous rocks have high contents of SiO2 and Al2O3 and high ratios of Al/ and Al2O3/(Al2O3+ Fe2O3). The ∑REE are low, and the North American shale-normalized REE patterns are characterized by enrichment of LREE and absence of Eu and Ce anomalies, which suggest that the white thick-bedded siliceous rocks might have been formed in the continental margin environment and affected significantly by terrigenous constituents. The anatase-rich siliceous rocks have high contents of TiO2, Fe2O3, Cu and V but low Al/(Al + Fe+ Mn) and Al2O3/(Al2O3 + Fe2O3) ratios. The ΣREE are high, the North American shale-normalized REE patterns are obviously characterized by left-oblique to flat styles of curves and slight negative Ce anomalies, implying that they might have been formed in an oceanic ridge environment.
研究结果表明,呈厚层状产出的无矿白色硅质岩具较高的SiO2、Al2O3含量及Al/、Al2O3/(Al2O3+Fe2O3)比值,稀土元素总量很低,其北美页岩标准化配分模式为向右倾的曲线,无明显铈异常和铕异常,表明其形成于受陆源影响的大陆边缘构造环境;赋矿岩系中薄层状富钛硅质岩的TiO2、Fe2O3、Cu、V含量较高,但Al/、Al2O3/(Al2O3+Fe2O3)比值较低,稀土元素总量较高,北美页岩标准化曲线为明显左倾型-平坦型,具弱的负铈异常,表明其形成于洋脊及附近环境。
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HST is characterized by siliceous limestone-bearing calcareous gravity current sediments, which have the sequences of increased, and incrassate limestone and decreasing and attenuation siliceous rock upwards.
其中孤台层序发育主要受控于相对海平面变化和碳酸盐生产率,台盆层序发育则受构造活动、海平面变化、台缘重力流等因素的综合影响,具多物源特点。
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SILICEOUS FOSSIL MEALS (FOR EXAMPLE, KIESELGUHR, TRIPOLITE AND DIATOMITE) AND SIMILAR SILICEOUS EARTHS, WHETHER OR NOT CALCINED, OF AN APPARENT SPECIFIC GRAVITY OF 1 OR LESS.
硅质化石粗粉及类似的硅质土,不论是否煅烧,其表观比重不超过1
- 更多网络解释 与siliceous相关的网络解释 [注:此内容来源于网络,仅供参考]
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siliceous:硅质的
silicate 硅酸盐 | siliceous 硅质的 | siliceous earth 硅藻土
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siliceous:硅酸的
silicate 硅酸盐 | siliceous 硅酸的 | silicic acid 硅酸
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siliceous:含硅的;硅质的
siliceous sinter 硅华 | siliceous 含硅的;硅质的 | silicic acid 硅酸
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siliceous:硅酸的/硅土的
silicea /硅剂/ | siliceous /硅酸的/硅土的/ | silicic /含矽的/矽土的/
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siliceous sinter:硅华
siliceous sandstone 硅质砂岩 | siliceous sinter 硅华 | siliceous 含硅的;硅质的
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