礦脈底部 的英文怎麼說

中文拼音 [kuàngmàide]
礦脈底部 英文
ledger
  • : 名詞1. (礦床) ore [mineral] deposit 2. (礦石) ore 3. (開采礦物的場所) mine
  • : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
  • : 底助詞(用在定語后, 表示定語和中心詞之間是領屬關系, 現在多寫作「的」)
  • : Ⅰ名詞1 (部分; 部位) part; section; division; region 2 (部門; 機關或組織單位的名稱) unit; mini...
  • 礦脈 : [采礦工程] mineral vein; mineral ore; reef; ore vein; ore lode; vein; lode; wythern; roke
  1. The comparison study of the three belts indicates although they are distinct from each other all the three belts show many common features in the aspect of the metallogeny of large - rich vein uranium deposits, i. e : the important metallogenic areas are located above the old crystalline basement ; the paleo - rifting ( taphrogeny ) controls the development of the volcanic belt and at the same time it is favourable metallogenic tectonic environment ; the occurrence of uranium deposit does not depend on the lithology of volcanic rocks ; uranium metallogeny is obviously constrained by deep geologic processes and the connected fault - structural net is the necessary condition for the formation of large - rich uranium deposits

    對比研究表明,雖然它們各具特色,就型富大鈾床成作用而言,它們又具有較多的共性:重要成區的火山噴發皆奠基在古老的結晶基上;古裂谷(或裂陷)既控制了火山巖帶的發育,又是有利的成構造背景;鈾賦存對火山巖的巖性沒有明顯的選擇性;鈾成的深控製作用明顯;聯通的構造網路系統是形成富大鈾的必要條件。
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