A collaboration of researchers based in Kumamoto University, Japan have discovered microdiamonds in the Nishisonogi metamorphic rock formation in Nagasaki Prefecture, Japan. Microdiamonds in metamorphic rocks are important ...
Earth Sciences
Sep 4, 2020
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A new study of rocks that formed billions of years ago lends fresh insight into how Earth's plate tectonics, or the movement of large pieces of Earth's outer shell, evolved over the planet's 4.56-billion-year history.
Earth Sciences
Aug 7, 2019
1
216
On a remote tropical island in the Indian Ocean lies a geologic enigma. Some 4 million years ago, volcanic eruptions on the seabed piled lava upward almost two miles, until it broke above the waves. Then it kept piling up, ...
Earth Sciences
Feb 13, 2019
1
54
UO geologist Greg Retallack has dirt on his hands—and at 3.7 billion years old, it might be some of the oldest dirt on Earth.
Earth Sciences
Nov 8, 2018
0
24
Rocks do not lose their memory across Earth history, but their true ages might be distorted: Even under ultra-high temperature metamorphic conditions exceeding 1200°C, zircon retains the lead content accumulated during radioactive ...
Earth Sciences
Apr 6, 2015
0
12
The repeated cycles of plate tectonics that have led to collision and assembly of large supercontinents and their breakup and formation of new ocean basins have produced continents that are collages of bits and pieces of ...
Earth Sciences
Apr 2, 2014
0
0
Deep subduction of continental crust and rapid exhumation of ultrahigh-pressure metamorphic rocks, and its mechanism have been one of the most important issues of the world's attention in the Dabie orogen. Professor LIU Shaofeng ...
Earth Sciences
Mar 22, 2013
2
0
Evidence of the mineral majorite in Himalayan rocks have overturned scientific theory about the birth of the tallest mountains on Earth.
Earth Sciences
Aug 5, 2010
1
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