放射虫硅质岩

本区下志留统龙马溪组的放射虫硅质岩形成在水深相对较浅的深水陆棚与大陆坡过渡带上，水深约在200m左右。

The radiolarian silicalite of the Lower Silurian Longmaxi Formation in this region was formed in the transitive zone between the deepwater continental shelf where the water depth is relatively shallow and the continental slope , in which the sea water depth is about 200 m.

盆地相区主要是以含放射虫硅质岩为特征的深水型沉积；

The basin facies area , however , is mainly with deep-water sediments characterized by radiolarian silicalite .

南郑梁山地区下古生界放射虫硅质岩的发现

Lower Paleozoic Radiolarian Silicolites from Liangshan , Nanzheng County , Shaanxi Province

赣东北蛇绿混杂岩带中多处发现含晚古生代放射虫硅质岩

Discovery of Late Palaeozoic radiolarian silicolite in many places in northeastern Jiangxi OPHIOLITIC MELANGE belt

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 .

澜沧江南段景洪猛龙深海红色放射虫硅质岩的发现及其意义

The discovery and significance of abysmal red radiolarian silica rock suite in Jinghong of the south section of Lancang River

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 .

造山带内发育由大量的层状或似层状深色硅质岩（放射虫硅质岩）。

There are a large number of stratified or layered-like dark siliceous rocks ( radiolarian siliceous rocks ) that developed in the orogenic belt .

赣东北蛇绿混杂岩带和变质岩系中放射虫硅质岩的再研究胶东群变质岩系

The Putative " Radiolarian Cherts " from Ophiolitic and Metamorphic Complexes in Northeast Jiangxi : A Re-examination 3 METAMORPHIC ROCK OF JIAO DONG GROUP

秦岭显生宙的放射虫硅质岩是产于陆壳基底上的硅质岩，它们不能作为洋壳发育的证据；

Phanerozoic radiolarian cherts in the Qinling was formed on the continental basement and cannot be considered as evidence of the development of oceanic crust .

描述和讨论的主要岩石类型有亮晶生物屑灰岩、泥晶海百合丘灰岩、含有机质藻粒泥晶灰岩、放射虫硅质岩及含钙质生物硅质岩。

Main types of rock are described and discussed : sparry bioclastic limestone 、 micritic cncrinite 、 organic alge micrite 、 radiolarian chert and calcareous bioclastic chert .

其中，泥盆纪发育裂谷火山岩，石炭纪发育蛇绿岩、岛弧和洋壳火山岩及放射虫硅质岩。

This region has developed rift volcanic rocks of the Devonian , ophiolite , island arc and ocean volcanic rocks , and radiolarian siliceous rocks of the Carboniferous .

裂谷东部主要以半深海-深海相的浊积岩、放射虫硅质岩和笔石页岩为特征，裂谷西部和翼部则以浅水盆地相和台地相的碳酸盐为特征。

The turbidite , radiolarite and graptolite that formed from half - deep - sea to deep sea facies are developed widely in the east of the rift zone .

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 .

中国4条主要蛇绿岩带都发现了放射虫硅质岩和放射虫动物群，这对蛇绿岩带的形成时代和板块碰撞时间的确定提供了有力的证据。

The radiolarites and radiolarian faunas discovered in the four important ophiolite belts of China are regarded as a powerful evidence for determining the age of the ophiolite belts and the collisional time of various plates .

早白垩世早中期，裂谷带内仍由基性&超基性岩、深水复理石碎屑岩及放射虫硅质岩和浅水碳酸盐岩及碎屑岩组成；

During the early and middle stages of the Early Cretaceous , the rift zone was still composed of basic-ultrabasic rocks , deep-water flysch clastic rocks , radiolarian siliceous rocks , shallow-water carbonate rocks and clastic rocks .

根据野外调查、室内化学分析等综合研究，本文认为赣东北含放射虫硅质岩是大陆边缘浅水相沉积产物，稀土元素特征不支持大洋地壳上的深水环境。

According to synthetic researches on the lithology , geochemistry and so on , the authors suggest that the radiolarian cherts belong to continental-margin shallow-water sediments , and the REE patterns of the cherts do not support the viewpoint of deep-water environment above oceanic crust .

泰国北部难河构造带二叠纪放射虫、硅质岩和玄武岩

Permian Radiolarians , Chert and Basalt from the Nan Suture Zone , Northern Thailand

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 .