英语释义

• variety of silica containing microcrystalline quartz

片语

flint(Flint)人名；(德、英、俄、法、瑞典)弗林特

chert clause[经]

chert bit鉆硅质石灰巖用的鉆头

bone chert[巖]

Structure Chert结构图

ocastic chert鲕状燧石

nodular chert瘤状燧石；[地质] 结核状燧石

diatomaceous chert硅藻燧石

oolicastic chert空鲕状燧石

firestone(Firestone)人名；(英)费尔斯通

英汉例句

• a shallow water smaller foraminifera fauna is studied from limestone intercalations of the upper permian chert from liuqiao area, guangxi zhuang autonomous region, china.

  本文研究了广西扶绥县柳桥地区二叠纪末期的浅水相小有孔虫动物群。

• the anasazi made arrowheads by chipping away at pieces of glassy obsidian (black) and chert (grey and red) until they became sharp.

  古阿纳萨齐人通过细细地打磨黑曜石和黑硅石使它们变的锋利，最后制作出箭头来。

• chert with good abrasion is the major content in conglomerate, and diamonds are contained in it generally.

  砾巖主要砾石成分为燧石，磨圆度较好，普遍含金刚石。

• there exists abundant radiolaria in the chert, and the radiolarian association suggests that the chert was formed in the last period of late jurassic.

  硅质巖中含有大量放射虫，放射虫组合显示硅质巖的沉积时代为晚侏罗世晚期。

• in limestone of taiyuan group, origin of nodular chert and banded chert is that they had been replaced in diagenesis phase.

  太原群灰巖中的燧石结核或条带是在成巖作用阶段经硅质交代成因的。

• in motuosarla fe and mn deposit, the chert mainly distributes in iron ore bed, some on its top and at its bottom, with a relatively stable thickness.

  莫托萨拉铁锰矿中硅质巖多分布于铁矿层中，部分分布于铁矿层顶底部位，厚度较稳定。

• if chert does not contain impurities and the age spectrum is very precise, the minimum apparent age in middle temperature may have geochronological implication.

  当燧石纯度很高，加热阶段划分得很细时，马鞍形谱线中温区间最小视年龄具有某种年代学意义。

• the sediments in this photo curve near the ends of chert pods.

  这沉淀物在这幅图片的曲线近似冷凝物的黑硅石的扁豆形矿体。

• the uranium deposit of silurian age in a certain area is controlled mainly by fracture and morphologically changing parts of uranium bearing siliceous limestone and chert beds.

  某地区志留系中的铀矿床，主要受硅灰巖和硅巖含矿层形态变异部位和断裂构造控制。

• microscopic studies of the kerogen from the chert samples show that the main components of the kerogen are organic fragments and microsome with weak anisotropy.

  油浸显微镜下鑒定硅巖中的干酪根组成多为有机质碎片和微粒体，并显示微弱的各向异性。

• the rhynie chert is one of the most important fossil plant occurrences because it represents the oldest and most completely preserved terrestrial ecosystem.

  莱尼碎石作为最重要的植物化石产出，其关键在于它代表了最古老、最完整保存的陆地生态系统。

• chert with good abrasion the major content in conglomerate and diamonds are contained in it generally.

  砾巖主要砾石成分为燧石，磨圆度较好，普遍含金刚石。

• paleontologists know chert as a good place to look for fossils.

  古生物学者知道黑硅石同样的好地方去观看化石。

• this new discovery indicated the carbono permian chert provenance for triassic deposits in kurgan region, which might be from ophiolitic mélange of the chinese south tianshan orogenic belt.

  这说明库尔干地区的三叠系沉积有早石炭世早期和中晚二叠世的硅巖物源，它们可能来自南天山碰撞造山带的蛇绿混杂巖。

• chert nodule beds are provided with three-dimensional space net work.

  燧石结核层具三维空间网络；

• molecular paleontology in thermal chert in laerma gold deposit shows that the organic precursors intimately associated with gold are marine bacteria and algae.

  通过对拉尔玛金矿热水成因硅质巖中分子古生物学的研究，指出硅质巖中与金关系密切的生物母源为海生低等菌藻生物。

• the sedimentary environment of the chert reflects the tectonic setting of the small oceanic basin in late jurassic.

  硅质巖的形成环境反映了该陆缘小洋盆在晚侏罗世所处的构造背景。