Signatures of climate cycles spotted in hillocks on the sea floor.doi:10.1038/nature.2015.16856Quirin SchiermeierNature
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Over 400 million years ago, an upwelling of hot rock from Earth's mantle wrenched apart the crust in Mongolia, creating an ocean that survived for 115 million years. The geological history of this ocean could help researchers understand Wilson cycles, or the process b...
843 ft in depth. On the satellite image to the left, you can see the vertical (from top to bottom) light blue line in the deep blue sea. This is the boundary where the earth's continental places move apart, constantly creating new oceanic crust....
Geoscientists can fairly accurately reconstruct the breakup of the last supercontinent,Pangea, 250 million years ago. But prior to that, it's difficult to model exactly how the mantle and the crust interacted. You may like Continent-size blobs in Earth's mantle are a billion years old, ancie...
7. TheChallenger Deepin the Mariana Trench, which is located to the West of the Philippines and north of New Guinea, is the deepest point in the Pacific Ocean with 10,920 m/ 35,827 ft. It is the lowest part of the earth crust and was formed by the collision of two tectonic plates...
during the transition from the Amundsen Basin to the Nansen Basin, shifting from below 32 in early 2020 to above 34 by mid-year. Beyond early 2020, low surface salinities and temperatures were detected in the Fram Strait in late July 2020, duringRV Polarstern’stransit to the second ice ...
However, crystallization of melts on the Moon occurs at an oxygen fugacity (fO2), much more reducing compared to the Earth’s mantle, which may limit the validity of the aforementioned predictive models without verification. The lunar mantle is significantly more reduced (given relative to the ...
There are two types of plates—oceanic and continental—which float on the surface of the Earth’s mantle, diverging, converging, or sliding against one another. When two plates diverge, magma from the mantle wells up and cools, forming new crust; when convergence occurs, one plate descends—...
A numeric modeling was used to clarify the possible role of internal tides and short internal waves in generation of the crust microdeformations. 展开 关键词: Lasers Physical oceanography Earth's atmosphere Numerical modeling 会议名称: SPIE Proceedings ...