东非大裂谷 Great Rift Valley
- 尼拉贡戈火山沿着东非大裂谷矗立,在山顶火山口有一个熔岩湖,于1977年1月份的一个夜里喷发。
Situated along the Great Rift Valley, Nyiragongo had a lava lake in its summit crater, which burst during the night in January 1977. - 东非大裂谷(北起叙利亚,南至莫桑比克,全长6000公里)以东的部分,正在神不知鬼不觉地遁入印度洋。
Everything east of the Great Rift Valley--a 6000-kilometer gash that runs from Syria to Mozambique--is imperceptibly moving into the Indian Ocean. - 只要地壳足够薄弱,比如在海底,或者东非大裂谷的谷底,碳酸盐岩就能更容易地在压力的作用下到达地表。
Wherever the crust is thin enough--on the ocean floor and the floor of the Great Rift Valley--the carbonatite can push through to the surface more easily, he explains.
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