这些埋藏树木有一部分能很好反映地区新构造升降和海陆变迁。
And it is very helpful to use these buried timbers to explain the new tectonic movements and the transformation between sea and continent in the area.
湖北经历过几次重要的海陆变迁和造山运动后，到晚第三纪时，逐渐形成了近代地貌的雏形。
After going through several important sea-land changes and orogenic movements, Hubei has formed the embryo of the modern geomorphology gradually until the late stage of Tertiary Period.
在这一漫长的地质历史时期（距今1800～800百万年），华北北部经历了多次升降运动，多次海陆变迁，逐渐由相对活动状态转变为相对稳定状态。
In this long geological period from 1800 to 800million years ago, the northern part of North China underwent many times, of up and down motion, many times of transformation from marine to contin…
在这一漫长的地质历史时期（距今1800～800百万年），华北北部经历了多次升降运动，多次海陆变迁，逐渐由相对活动状态转变为相对稳定状态。
In this long geological period from 1800 to 800million years ago, the northern part of North China underwent many times, of up and down motion, many times of transformation from marine to contin…
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