siliceous rock meaning in English
硅质岩石
Examples
- The genesis of siliceous rocks in the changkeng gold - silver deposit , guangdong province
广东省长坑金银矿床硅质岩石成因分析 - The main kinds of rocks include carbonate rocks , tuffite , siliceous rocks and quartz sand - stone
主要岩石类型包括碳酸盐岩、沈积凝灰岩、矽质岩和石英砂岩。 - The immediate host siliceous rocks of typical deposits ( jinya , gaolong ) are of hydrothermal sedimentary origin . gold ore bodies are layer - like and generally concordant with their host rocks . abundant relict synsedimentary fabrics are preserved in the ores
典型矿床(金牙、高龙)中的含矿硅质岩属热水沉积岩，矿体形态主要为与地层整合的层状和似层状，矿石具有大量同生沉积的标型组构。 - The massive tripoli is a kind of soft siliceous rock which is composed of cryptocrystalline quartz . the rock could be prepared for active ultra - fine quartz by airflow pulverization and surface modification . the ultra - fine siliceous powder is a kind of high - quality filler in plastics and rubber
块状硅土矿是一种由隐晶质石英组成的松软硅质岩，通过气流粉碎与表面改性制备出的活性超细石英粉是一种优质的橡塑填料。 - The coqen basin in xizang lies between the bangong - nujiang suture zone and yarlung zangbo suture zone , and once extended northwards and southwards , respectively centred by the qiekan - goicang - asog rift zone as the center of deposition and subsidence during the middle jurassic to the early creatceous . ( 1 ) during the middle - late jurassic , the rift zone was occupied by deep - water turbidites , radiolarian siliceous rocks , shallow - water carbonate rocks , clastic rocks and basic - ultrabasic rocks , while both sides of it by littoral and shallow marine elastic rocks and carbonate rocks
摘要位于班公湖怒江缝合带与雅鲁藏布江缝合带之间的措勤盆地，在中侏罗世早白垩世期间具有以且坎古昌阿索裂谷带为沉积、沉降中心向南北两侧展开的古地理格局：中晚侏罗世时期，裂谷带内由深水浊积岩、放射虫硅质岩和浅水碳酸盐岩、碎屑岩岩片及基性超基性岩等组成；裂谷带两侧由滨浅海相碎屑岩和碳酸盐岩组成。