two-stage eruption 两次喷发
The SEDEX lead-zinc mineralization occurred in the middle base volcano-sedimentary stage, and corresponds to the base volcanic eruption.
在中期基性火山-沉积阶段,主要表现为玄武质基性火山喷发及SEDEX型铅锌成矿作用;
Mesozoic volcanic eruption belt, which locates on Beihuaiyang area in northern part of Dabie orogenic belt, formed at post orogenic stage during Late Jurassic to Early Cretaceous.
大别造山带北部的北淮阳中生代火山喷发岩带形成于后造山阶段的晚侏罗世—早白垩世。
The confirmation of two-stage eruptions is helpful to learn the history and process of Laoheishan Volcano eruption and the assessment and mitigation of volcanic hazard in the future.
两次喷发活动的确认为研究老黑山火山喷发历史、喷发过程、喷发危险性评价和灾害预测等提供了新依据。
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