搜索结果: 1-9 共查到“国际动态 理学 tectonic”相关记录9条 . 查询时间(0.046 秒)
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...
Lost and found: Geologists 'resurrect' missing tectonic plate（图）
Lost and found Geologists resurrect missing tectonic plate
2020/10/30
The existence of a tectonic plate named Resurrection has long been a topic of debate among geologists, with some arguing it was never real. Others say it subducted -- moved sideways and downward -- in...
Scientists find much earlier birth date for Earth's tectonic plates（图）
Scientists earlier birth date Earth tectonic plates
2020/6/5
Geophysicists funded by the National Science Foundation have reported that Earth's ever-shifting, underground network of tectonic plates was firmly in place more than 4 billion years ago -- at least a...
Tectonic plates started shifting earlier than previously thought（图）
Tectonic plates started shifting previously thought
2020/5/9
An enduring question in geology is when Earth's tectonic plates began pushing and pulling in a process that helped the planet evolve and shaped its continents into those that exist today. Some researc...
Tectonic collision 50 million years ago led to widespread ocean changes（图）
Tectonic collision 50 million years ago widespread ocean changes
2019/11/22
When the landmass that today is the Indian subcontinent slammed into Asia some 50 million years ago, the collision changed the configuration of the continents and altered global climate.Now a team of ...
Earth’s Tectonic Plates Are Weaker Than Once Thought, According to Research by Penn Geologists（图）
Earth’s Tectonic Plates Weaker Than Once Thought Penn Geologists
2017/10/25
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...
New plate adds plot twist to ancient tectonic tale（图）
New plate plot twist ancient tectonic tale
2017/9/5
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...
Tectonic shift?
Tectonic shift
2016/12/27
Plate tectonics, the idea that the surface of the Earth is made up of plates that move apart and come back together, has been used to explain the locations of volcanoes and earthquakes since the 1960s...
3.8 Billion-Year-Old Rock Sequence Found in Greenland Revises Tectonic Timeline（图）
plate tectonics crust
2007/3/26
23 March 2007，A 3.8 billion-year-old sequence of rocks from Greenland is helping scientists pinpoint when the Earth's plate tectonics system kicked into gear, according to new research in the 23 March...