Discovery of the Late Devonian and Late Permian radiolarian cherts in tectonic mélanges in the Cêdo Caka area, Shuanghu, northern Tibet, China;
藏北双湖地区才多茶卡一带构造混杂岩中发现晚泥盆世和晚二叠世放射虫硅质岩
The Late Palaeozoic and Early Mesozoic radiolarian chert sequences occur there.
放射虫硅质岩在中国南方及邻区广泛分布,有重要的古地理意义。
Petrological characteristics of bedded radiolarian cherts and different types of volcanic tuffs have been studied in the Ordovician of Weibei, Shaanxi.
通过对层状放射虫硅质岩的岩石学和火山凝灰岩岩石类型的特征研究,认为渭北奥陶系的放射虫硅质岩是由远源的火山喷发物提供了SiO2的来源,造成有利于硅质生物大量繁殖的条件,死后堆积海底,最终转变为层状放射虫硅质岩。
ophiolite-radiolarite nappe
蛇绿岩-放射虫岩推覆体
Permian Radiolarians,Chert and Basalt from the Nan Suture Zone,Northern Thailand
泰国北部难河构造带二叠纪放射虫、硅质岩和玄武岩
Devonian Radiolaria from northern Xinjiang and their distribution and sedimentary environment significance
新疆北部泥盆纪放射虫及其岩相分布和环境意义
RADIOLARIAN FOSSILS FROM CHERT GRAVELS OF TRIASSIC CONGLOMERATE IN NW MARGIN OF THE TARIM BASIN AND THEIR GEOLOGICAL SIGNIFICANCE
塔里木盆地西北缘三叠系硅岩砾石中的放射虫化石及其地质意义
Radiolarian Chert and Island-Arc Volcanic Rocks in Xiapugou Tibet:Records of Neo-Tethys Intra-Oceanic Subduction System?
西藏札达县夏浦沟的放射虫硅质岩和岛弧火山岩:新特提斯洋内俯冲体系的记录?
Late Devonian-Early Carboniferous Radiolarian Evolution and Response to the Global Bio-crisis Events in Bancheng, Guangxi
广西板城晚泥盆世—早石炭世硅质岩系放射虫演化及其对全球事件的响应
RELATIONSHIP BETWEEN RADIOACTIVITY OF NATURAL GAMMA RAY FROM ROCKS AND LITHOLOGY IN DAQING OIL FIELD
大庆油田岩石自然伽马放射性与岩性的关系
HABITATS OF HERCYNIANINDOSINIAN RADIOLARIANS IN SOUTH CHIAN
华南海西──印支期放射虫生态环境
The heat production in rocks due to radioactivity is highest in the acid rocks and lowest in the ultra-basic rocks.
岩石的放射作用热产率以酸性岩类最高,超基性岩类最低。
Taxonomic and Biostratigraphic Study on the Latest Permian Albaillellaria (Radiolaria) from South China;
华南晚二叠世末期阿尔拜虫目放射虫分类学与生物地层研究
Preliminary Study on the Radiolaria from the Surface Sediments in Southern Okinawa Trough
冲绳海槽南部表层沉积物中放射虫的初步研究
RADIOLARIA FOSSILS OF THE SURFACE SEDIMENTS IN THE BERING SEA AND ITS SEDIMENTARY ENVIRONMENT
白令海表层沉积物中的放射虫与海洋环境
Radiolaria Discovered in Devonian Strata of Nandan-Dachang Area, Guangxi.
广西南丹—大厂地区泥盆系中发现放射虫
EARLY CARBONIFEROUS RADIOLARIANS FROM QINZHOU, SOUTHEASTERN GUANGXI
广西东南部钦州地区早石炭世放射虫化石
Taxonomic Study on Late Changxingian Radiolarian from Fusui, Guangxi and Chaohu, Anhui;
文本扶绥和安徽巢湖长兴阶放射虫分类学研究
Upper Permian Radiolarian Taxonomy and Biostratigraphy from Guangxi, South China
广西上二叠统放射虫分类学与生物地层学研究
PROGRESS IN LOPINGIAN RADIOLARIAN BIOSTRATIGRAPHY OF SOUTH CHINA
华南乐平统放射虫生物地层学研究进展
Petrographically and mineralogically similar rocks quite often have different concentrations of radioactive elements.
岩石学矿物学上类似的岩石,其放射性元素丰度却往往有所不同。
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024058711号