metallogenetic epoch 中文意思是什麼
metallogenetic epoch
解釋
成礦時代- metallogenetic : 金屬成礦的
- epoch : n. 1. 紀元，時代；時期。2. 值得紀念的事件[日期]。3. 【地質學；地理學】世，紀，期。4. 【物理學】初相；【天文學】歷元；【電學】（信號）出現時間，恆定相位延遲。
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Abstract : to the principle and project that tu guangazhi proposed in 1990, the gold ore deposits in qinling ( shaanxi ) may be classified into fouowing types : archean high - grade gneiss type, fine grained fragmental rock - carbonate rock - silicilith type, metamorphic fragmental rock type, volcanic rock type, explosive breccia type, intrusive rock exo - and endo - contact zone type. inthis paper, the geological characteristics, metallogenic geological setting, the source of ore - forming materials, digenic mechanism and metallogenetic epoch of gold ore deposits are also discussed
文摘:參照塗光熾先生（ 1990 ）提出的礦床類型劃分原則與金礦分類方案，將陜西秦嶺地區原生金礦劃分為太古界綠巖建造型、細碎屑巖-碳酸鹽巖-硅質巖建造型、變質碎屑巖型、火山巖建造型、隱爆角礫巖型和侵入巖內外接觸型金礦，並對各類型金礦的地質特徵、成礦地質背景、成礦物質來源、礦床形成機制及形成時代等問題進行了論述和討論。 -
Metallogenetic epoch of chenlingou gold deposit in the core of dabieshan orogenic belt, luotian, hubei province
大別造山帶核部羅田陳林溝金礦成礦時代 -
The ree mineralization suddenly occurred and largely distributed on the earth in middle proterozoic metallogenetic epoch in the evolution of the earth
稀土元素成礦與地殼的構造運動密切相關，稀土在中元古代具有大規模暴發性成礦特徵。
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