Visually striking layers of burnt orange, yellow, silver, brown and blue-tinged black are characteristic of banded iron formations, sedimentary rocks that may have prompted some of the largest volcanic eruptions in Earth's ...
Earth Sciences
May 25, 2023
1
330
Everything on the surface of the Earth rests on massive tectonic plates that resemble a jelly sandwich, with two rigid pieces—the upper crust and the upper mantle—enclosing a gooey middle layer of very hot rocks, which ...
Earth Sciences
Jan 17, 2018
4
350
New research by Brown University geochemists provides new insights on the scale at which Earth's mantle varies in chemical composition. The findings could help scientists better understand the mixing process of mantle convection, ...
Earth Sciences
Nov 23, 2017
1
134
By examining the cooling rate of rocks that formed more than 10 miles beneath the Earth's surface, scientists led by The University of Texas at Austin Jackson School of Geosciences have found that water probably penetrates ...
Earth Sciences
May 1, 2017
0
157
With every breath we take, we inhale not only oxygen, but also a mix of gases. This mixture includes carbon dioxide and nitrogen, but also a gas called argon. Neon, the gas that illuminates the signs of all-night diners, ...
Earth Sciences
Dec 10, 2015
0
84
(PhysOrg.com) -- A team of scientists led by Rice University has figured out why the Colorado Plateau – a 130,000-square-mile region that straddles Colorado, Utah, Arizona and New Mexico -- is rising even while parts ...
Earth Sciences
Apr 27, 2011
2
0
