首页 >                  	Term: book structure  
book structure
The alternation of ore with gangue, usually quartz, in parallel sheets. Compare: ribbon
- 词性: noun
 - 行业/领域: 采矿
 - 类别 一般矿业; Mineral mining
 - Government Agency: USBM
 
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 创建者
- ed.young
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(Milwaukee, United States)