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.
不同蚀变与矿化岩石的稀土含量和配分模式与未蚀变泥质灰岩基本一致。
The REE content and chondrite nomalized patterns of the altered and mineralized rocks are largely consistent with those of the unaltered host rocks.
岩性主要为砾岩、泥岩、碳质泥岩、硬脆性泥岩、玄武岩、泥化玄武岩、石英岩及花岗岩等。
The lithology consists of conglomerate, shale, carbonolite, hard brittle shale, basalt, pelitized basalt, quartzite and granite, etc.
天然有机质及其与铀矿化的关系 天然有机质在地质体中常见者主要是腐植质、煤、泥炭、腐泥质、石油和沥青。
The nature and origin of organic substances in uranium deposits and the role that they plays in transporting and concentrating uranium are different from place to place.
如何防止超大范围断层破碎带内松散泥质岩体渗水泥化则是成巷后的最大技术问题；
Once the roadway is formed, it is important to control large-scale water seepage caused by argillitization of broken loose mudstone and keep long-term stability of roadway.
如何防止超大范围断层破碎带内松散泥质岩体渗水泥化则是成巷后的最大技术问题；
Once the roadway is formed, it is important to control large-scale water seepage caused by argillitization of broken loose mudstone and keep long-term stability of roadway.
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