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这沉淀物在这幅图片的曲线近似冷凝物的黑矽石的扁豆形矿体。The sediments in this photo curve near the ends of chert pods.

古生物学者知道黑矽石同样的好地方去观看化石。Paleontologists know chert as a good place to look for fossils.

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这样我们就能更好地理解燧石在高度流体状态时的变形情况。Thus we can better understand the deformation of chert in a highly fluid form.

砾岩主要砾石成分为燧石，磨圆度较好，普遍含金刚石。Chert with good abrasion the major content in conglomerate and diamonds are contained in it generally.

砾岩主要砾石成分为燧石，磨圆度较好，普遍含金刚石。Chert with good abrasion is the major content in conglomerate, and diamonds are contained in it generally.

硅质岩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。The sedimentary environment of the chert reflects the tectonic setting of the small oceanic basin in Late Jurassic.

太原群灰岩中的燧石结核或条带是在成岩作用阶段经硅质交代成因的。In limestone of Taiyuan Group, Origin of nodular chert and banded chert is that they had been replaced in diagenesis phase.

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萧普夫把顶燧石里透露讯息的石墨斑点，称做是「已故活细胞的丝缕」。According to Schopf, the chert contained telltale smudges of graphite that he calls threadlike strands of once living cells.

滇东南、桂西和桂南的矽质岩则指示古特提斯多岛洋的分支海盆。The chert sequences in southeastern Yunnan as well as western and southern Guangxi indicate some branch marine basins of the Palaeo-Tethys.

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

硅质岩中含有大量放射虫，放射虫组合显示硅质岩的沉积时代为晚侏罗世晚期。There exists abundant Radiolaria in the chert, and the radiolarian association suggests that the chert was formed in the last period of Late Jurassic.

通过对拉尔玛金矿热水成因硅质岩中分子古生物学的研究，指出硅质岩中与金关系密切的生物母源为海生低等菌藻生物。Molecular paleontology in thermal chert in Laerma gold deposit shows that the organic precursors intimately associated with gold are marine bacteria and algae.

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

油浸显微镜下鉴定硅岩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。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.

通过对湖北黄石、江苏南京和广西来宾三地栖霞组燧石结核的岩石矿物学研究，确定了栖霞组燧石结核的矿物组成和成岩作用序列。This paper deals with mineralogical, petrologic characteristics and diagenesis of the nodular chert collected from Huangshi Hubei, Nanjing Jiangsu, and Laibin Guangxi.

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。A shallow water smaller foraminifera fauna is studied from limestone intercalations of the upper Permian chert from Liuqiao area, Guangxi Zhuang Autonomous Region, China.

某地区志留系中的铀矿床，主要受硅灰岩和硅岩含矿层形态变异部位和断裂构造控制。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.

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南区包括滇西、滇东南、桂西和桂南，主要为晚古生代至中生代早期放射虫矽质岩。The southern region includes western and southeastern Yunnan as well as western and southern Guangxi. The Late Palaeozoic and Early Mesozoic radiolarian chert sequences occur there.

过去对这套硅质岩的沉积模式有多种解释，而且由于生物化石的匮乏而很难确定前寒武纪-寒武纪界线的位置。There is a long term debate about the depositional model of the chert sediment, as well as the definition of the Precambrian-Cambrian boundary because of few index fossils reported.

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岩物源，它们可能来自南天山碰撞造山带的蛇绿混杂岩。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.