geologic epoch 中文意思是什麼

geologic epoch 解釋
地質時期
  • geologic : adj. 地質學的,地質的。 a geologic survey 地質調查。adv. -ically
  • 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。
  1. It suggests that gold accumulation occurred in the every main stage of geologic history of fujian from late - archaean era to quaternary period but the scale and the feature of the gold accumulation are different in different stage and yanshan metallogenic epoch is the most important period of mineralization of fujian gold deposits

    提出福建省內自晚太古代至第四紀的各個地質歷史發展的主要階段均有金的富集作用,但不同階段所形成的金富集規模及特徵明顯有別,燕山期為福建省金礦最重要的成礦期。
  2. The author summarizes the distribution law of gold deposits of fujian in space and time and studies the metallogenic epoch using the method of isotopic geochronology and geologic analysis

    總結了金礦的時空分佈規律,採用同位素測年和地質分析相結合的方法研究福建省金礦的成礦年代。
  3. Tectonic - lithogenic - mineralogenetic epoch and its geologic history evolution indicate that intracontinental rifting stage ( t3 ~ e1 ) is the main metallogenic period of the jiangda tectonic belt

    構造-成巖-成礦定年與地史演化研究表明,江達構造帶主成礦期為陸內裂谷期。
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