A new hydrous phase, ε-AlOOH, was observed to be stable at pressures above 200 GPa. The stability of ε-AlOOH at extremely high pressures may affect the modeling results of the internal structure and deep water circulation ...
Earth Sciences
Dec 10, 2019
0
8
Yellowstone National Park in the USA, with its geysers and hot springs, is a major attraction for tourists. However, especially in times of little news, the media often focuses on the Yellowstone supervolcano, which last ...
Earth Sciences
Oct 17, 2019
0
67
Continents 4.5 billion years old, entombed nearly 2,000 miles underground, predate the formation of the moon and could shed light on how everything we know today came to be, according to new research.
Earth Sciences
Sep 27, 2019
0
103
Our planet formed around 4.54 billion years ago but few hints of this ancient world remain—just a small outcrop of rocks in northwestern Canada dating back 4.03 billion years and tiny crystals of the mineral zircon from ...
Earth Sciences
Sep 26, 2019
1
203
Ancient, distinct, continent-sized regions of rocks, isolated since before the collision that created the Moon 4.5 billion years ago, exist hundreds of miles below the Earth's crust, offering a window into the building blocks ...
Earth Sciences
Sep 19, 2019
7
250
A Ph.D. student at the University of Alberta has discovered a new and curious mineral inside a diamond unearthed from a mine in South Africa.
Earth Sciences
Sep 19, 2019
0
4131
Ancient volcanoes dating back billions of years could provide new insights into how the Earth's surface is recycled, according to scientists at the University of St Andrews.
Earth Sciences
Sep 17, 2019
0
64
What is the chemical composition of the Earth's interior? Because it is impossible to drill more than about ten kilometres deep into the Earth, volcanic rocks formed by melting Earth's deep interior often provide such information. ...
Earth Sciences
Sep 16, 2019
1
63
Convection in Earth's mantle is the "engine" driving plate tectonics. Hot material rises to the Earth's surface from the boundary between the planet's core and mantle, at a depth of about 3000 kilometers. Cold material then ...
Earth Sciences
Sep 9, 2019
1
34
Analyses show that gases found in microscopic inclusions in diamonds come from a stable subterranean reservoir at least as old as the Moon, hidden more than 410 km below sea level in the Earth's mantle.
Earth Sciences
Aug 15, 2019
0
2017
