... Caledonian Airways 喀里多尼亚航空公司 Caledonian stage 加里东阶段 Caledonian orogeny 加里东宁造山运动 ...
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The first was in the basin subsidence stage that was prior to the Caledonian movement. The second took place in the marginal sea deposition stage after the Caledonian movement.
区内下古生界烃源岩经历了两次成油过程,第一次发生在加里东运动前的盆地沉降阶段,第二次发生在加里东运动后晚古生代陆表海沉积阶段。
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