受砾屑硅质岩、含砾砂屑硅质岩控制。
热水沉积硅质岩对于矿床研究具有重要意义。
Hydrothermal sedimentary silicalite studies are important for ore deposits.
矿化类型为含金黑云变粒岩型、含金硅质岩型。
The types of mineralized rocks are fine grained biotite gneiss and silicalites.
硅质岩中硅、氧同位素也显示其热水成因之特点。
The Silicon and Oxygen isotopes also demonstrate the characteristics of hydrothermal origin.
喷流-热水沉积硅质岩对于矿床研究具有重要意义。
Sedimentation - exhalation siliceous rocks are of great significance in the study of ore deposits.
由此可见，硅质岩岩石化学成分具有明显的指相意义。
Thus, petrochemical components of chens have some significance of indicating facies.
硅质岩硅、氧同位素地球化学也显示其热水成因之特点。
The silicon and oxygen isotopes also demonstrate the characteristics of hydrothermal origin.
与深海相放射虫硅质岩相伴，则夹有玄武岩(细碧岩)层。
Thin basalt (spilite) layers are often interbedded in those deep Marine radiolaria-bearing siliceous rocks.
研究了多孔硅质岩矿粉掺入到普通硅酸盐水泥中对水泥性能的影响。
The effect of porous silicon rock powder mixing with ordinary Portland cement on properties of cement is studied.
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.
硅质岩沉积大地构造地球化学表明硅质岩的沉积环境是大陆边缘的浅海。
In the light of the sedimentary tectono-geochemistry of they formed in shallow sea of continental margin.
吉林中部烟筒山地区的硅质岩带是研究古亚洲洋构造演化的一个关键地区。
The siliceous rock zone in Yantong mountain area, central Jilin Province, is the key region for studying the paleo-Asian ocean tectonic evolution.
本文对深海硅质岩系中这一界线地层牙形石动物群特征进行了简要的描述。
We also concisely described the characteristics of the conodont fauna through the boundary strata.
在秦岭造山带及其南部地区广泛发育硅质岩，并与矿产资源存在密切的关系。
The siliceous rocks are is extensive distributed on the Tsinling orogenic belt and the southern of China, and has a deep relation with mineral resources.
该类矿床产于古元古代老岭群富硼、碳千枚岩夹石英岩（硅质岩）建造之中；
This type deposit is formed in the formation of B-rich and C-rich phyllite with quartzite (siliceous rocks) as intercalated beds, which belongs to early Proterozoic Laoling group;
四川若尔盖北部寒武系太阳顶群为金矿矿源层，硅质岩为其中的主要组成部分。
Cambrian Taiyangding Group, located in the northern part of Ruoergai in Sichuan province, is an important gold-bearing formation.
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.
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。
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.
在勘探工作中发现黑龙江东部晚三叠世—早侏罗世存在大量的放射虫硅质岩地层。
A lot of radiolarian cherty is found in the T3-J1 strata in Eastern Heilongjiang Province during recent geological survey, although previous exploration was not targeted at these strata for oi.
早石炭世两个断片由玄武岩和灰白色、紫红色放射虫硅质岩、硅质泥岩、凝灰岩组成。
The two early carboniferous fragments are composed of basalt and ash - black, fuchsia radiolaria silicalite, siliceous mudstone, tuff.
早石炭世两个断片由玄武岩和灰白色、紫红色放射虫硅质岩、硅质泥岩、凝灰岩组成。
The two early Carboniferous fragments are composed of Basalt and ash-black, fuchsia radiolaria silicalite, siliceous mudstone, tuff.
主要由细碧岩、角斑岩及火山碎屑岩组成，其中有硅质岩、灰岩及碎屑岩夹层或凸镜体。
It mainly consists of spilite, keratophyre and volcanic clastics, intercalated with siliceous rocks, limestone and clastic rocks or lens.
我们高品质的珍珠岩，它是自然发生的硅质岩，可安全地应用于建筑应用，园艺，应用和工业应用。
Our high quality perlite, which is naturally occurring siliceous rock, can be safely used in construction applications, horticultural applications and industrial applications.
寒武系底部硅质岩向粘土岩过渡地带 ，或两者的互层以及蚀变粘土岩是多种元素富集成矿的有利岩层。
Transitional tervain from siliceous rock to clayrock, both interbed and altered clayrock are favourable strata of all kinds of elements concentrated mineralization underneath the Cambrian.
该“潜伏”脉带的金矿化限于寒武系以硅质岩为顶板的碳质页岩中，明显受成矿前产生的韧性剪切带控制。
Gold mineralization of the zone is confined only to the Cambrian carbonaceous shale overlain by siliceous rocks, and apparently controlled by a premineral tough shear zone.
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。
The geochemistry of the cherts reflects that the cherts coexisting with island-arc volcanic rocks all formed the background of continental margin basin.
采用氧化焙烧法研究了无污染的焙烧添加剂碳酸钠、氧化钙、红泥和苛化泥从硅质岩钒矿中提取钒的焙烧工艺。
Non-pollution roasting technology by using sodium carbonate, calcium oxide, red mud and lime mud as roasting additives for extraction of vanadium from siliceous navajoite was studied.
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.
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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