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搜索结果: 1-15 共查到国际动态 构造地质学相关记录22条 . 查询时间(1.25 秒)
Using seismic waves, scientists detect widespread partially molten rock hidden under the Earth’s tectonic plates in a new way, a step in settling a long-held geological debate that has big implication...
A study by Brown researchers finds that changes in tectonic plate thickness across the Denali Fault in Alaska impacts where it is located, shedding light on how major faults and earthquakes occur.
New research analyzing pieces of the most ancient rocks on the planet adds some of the sharpest evidence yet that Earth’s crust was pushing and pulling in a manner similar to modern plate tectonics at...
近日,北京大学地球与空间科学学院宋述光教授课题组在太古宙超高压变质作用及板块构造起始方面取得重要进展。
近日,北京大学地球与空间科学学院王彦宾教授课题组与南方科技大学海洋科学与工程系助理教授郭震团队合作,对东北亚地区的各向异性结构研究取得新的进展,相关研究成果以“Asthenospheric flow from East Asia to the Philippine Sea Plate revealed by rj-MCMC inversion of surface waves”为题在国际地学期刊G...
A new study co-led by a Cornell researcher has identified serpentinite – a green rock that looks a bit like snakeskin and holds fluids in its mineral structures – as a key driver of the oxygen recycli...
A cold spring in Panama shouldn’t show strong signs of deep volcanic sources. But after researchers found one anomaly, they discovered several other sites with similarly unique signatures, stretching ...
盆地是金属巨量堆积的重要构造单元,揭示盆地成矿系统成因并建立盆地构造—成矿动力学模型一直是矿床学研究的热点和难点。右江盆地位于华南地块的西部,其矿床类型的丰富多样和资源储量的巨大规模世界罕见,是中国多金属的“聚宝盆”,盆地内已经探明>3亿吨锰、>20亿吨铝土矿、>800吨金、 >300万吨锡,以及大量的铅、锌、铜资源量。盆地演化时间长,保存有特提斯、古太平洋到青藏高原碰撞多期构造体系的演化记录;矿...
For more than 10,000 years, the people who lived on the arid landscape of modern-day western New Mexico were renowned for their complex societies, unique architecture and early economic and political ...
“板块构造”是20世纪地球科学的重大发现之一。板块运动导致地球物质能量交换强烈、火山-地震活跃、矿产油气资源富集、大气温度-氧含量适度,是地球维持宜居性的重要动力,也是地球有别于其他行星的关键标志。然而地球何时启动板块构造,并开启与其他行星不同的演化之路,是当今地球科学最具争议的问题之一,全球科学家利用不同手段进行探索,得出的结果可以从冥古宙(>40亿前)一直到新元古代(<10亿前),跨越近3/4...
Utah's red rock metronome(图)     Utah  red rock  metronome       2019/10/17
At about the same rate your heart beats, a Utah rock formation called Castleton Tower gently vibrates, keeping time and keeping watch over the sandstone desert below. Swaying like a skyscraper, the re...
The Himalaya Mountains are a geological wonder, drawing adventurers and religious devotees from near and far to the world's highest peaks. The mountains were created over a fault where the large tecto...
No one can travel inside the earth to study what happens there. So scientists must do their best to replicate real-world conditions inside the lab.“We are interested in large-scale geophysical process...
Through analysis of volcanic tracks, Rice University geophysicists have concluded that hot spots like those that formed the Hawaiian Islands aren’t moving as fast as recently thought.Hot spots are are...
A microplate discovered off the west coast of Ecuador adds another piece to Earth’s tectonic puzzle, according to Rice University scientists.Researchers led by Rice geophysicist Richard Gordon discove...

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