1) native copper-chalcocite deposit(occurrence)
![点击朗读](/dictall/images/read.gif)
自然铜-辉铜矿矿床(点)
2) native copper deposit
![点击朗读](/dictall/images/read.gif)
自然铜矿床
1.
Keweenaw native copper deposit was formed in an intracontinental rift.
![点击朗读](/dictall/images/read.gif)
基维诺自然铜矿床生成于陆内裂谷环境。
3) natural copper ore
![点击朗读](/dictall/images/read.gif)
自然铜矿
1.
he wet metallurgy technologies for smelting copper sulfide, copper oxide and natural copper ores are reviewed.
评述了硫化铜矿、氧化铜矿和自然铜矿的湿法冶炼途径。
4) Native coppercopper oxide deposit
![点击朗读](/dictall/images/read.gif)
自然铜-氧化铜矿床
5) native copper ore
![点击朗读](/dictall/images/read.gif)
自然铜矿石
1.
Through the experiments of sampling,size-grading,screening,splitting and homogeneity test for the native copper ore samples from northeast Yunnan province,a sample processing procedure was established.
对滇东北地区典型自然铜矿石样品的试验采取、粒度分级过筛、缩分及均匀性试验,认为样品在经过粗碎、中碎后,将颗粒大于2mm的矿物(95%以上为自然铜)用2mm隔筛分离后,余下样品经过棒磨,过0。
6) native copper mineralization
![点击朗读](/dictall/images/read.gif)
自然铜矿化
1.
~(40)Ar/~(39)Arand U-Th-Pb dating for native copper mineralizations of two stages from the Emeishan flood basalts in northeastern Yunnan Province, China;
滇东北峨眉山玄武岩中两阶段自然铜矿化的~(40)Ar/~(39)Ar与U-Th-Pb年龄证据
补充资料:辉铜矿
辉铜矿 chalcocite 含铜量最高(79.86%)的硫化物(Cu2S)矿物。正交(斜方)晶系(还发现六方晶系的高温同质多象变体——六方辉铜矿)。是铜的重要矿物原料。暗铅灰色,风化面呈黑色,金属光泽,莫氏硬度2.5~3,比重5.5~5.8。常呈致密块状、烟灰状、粒状,产于某些铜矿床中及其次生硫化物富集带中。在地表常风化成赤铜矿或孔雀石、蓝铜矿。美国内华达州伊利、亚利桑那州莫伦西,西南非洲楚梅布,中国云南东川等为主要产地。 |
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条