第一节 成因地层层序理论基础 一、基本概念1、沉积事件(Depositional event)是指在一个相对短的时期内发生的由初始前积、过渡加积、到最终海进(退积)过程的产物。
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某一沉积事件周期性出现的频繁程度可用时间序列中的频率来表示。
The periodic occurrence of any sedimentary event may be expressed by the frequency in the time series.
前言: 对高龙金矿石地球化学分析研究表明, 矿床存在热水沉积事件,热水沉积对金的富集成矿有重要意义。
Study of geochemical of Gaolong gold deposit shows: there is hydrothermal event in deposit, hydrothermal has important significance on gold metallogenesis.
Keller并不同意,她指出,她和Addate记录的沉积层的自然增加物与突发事件例如海啸完全不一致。
Keller disagrees, pointing out that the slow accretion of sediment that she and Addate recorded is completely inconsistent with a sudden event like a tsunami. (See pictures of animals in space.)
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