News tagged with earths mantle
Atomic Particles Help Solve Planetary Puzzle
Space & Earth / Earth Sciences
Nov 10, 2009 |
4.5 / 5 (12) |
0
(PhysOrg.com) -- A University of Arkansas professor and his colleagues have shown that the Earth's mantle contains the same isotopic signatures from magnesium as meteorites do, suggesting that the planet formed ...
Carbon dioxide forms polymeric materials under high pressure
Mar 25, 2009 |
4.5 / 5 (2) |
0
Carbon dioxide is a molecular gas at ambient conditions and an important consitituent of the Earth’s atmosphere. It is also a likely component in the Earth’s mantle, and it plays an important role in the life ...
Riding -- and reading -- the Earth tide
Space & Earth / Earth Sciences
Jan 29, 2009 |
4.2 / 5 (5) |
2
(PhysOrg.com) -- Once a day, Miaki Ishii rides the Earth tide, rising slowly — along with her desk, chair, and entire office — 20 to 30 centimeters before sinking back again.
The continents as a heat blanket
Space & Earth / Earth Sciences
Jan 22, 2009 |
3 / 5 (4) |
3
Drifting of the large tectonic plates and the superimposed continents is not only powered by the heat-driven convection processes in the Earth's mantle, but rather retroacts on this internal driving processes. In doing so, ...
Why is the Earth's mantle conductive?
Space & Earth / Earth Sciences
Dec 04, 2008 |
4.6 / 5 (24) |
6
(PhysOrg.com) -- Researchers from INSU-CNRS (France), working with chemists at a CNRS research unit, have explained that the high conductivity of the Earth's upper mantle is due to molten carbonates. They ...
The first new mineral with post-spinel structure is approved by CNMNC of IMA
Space & Earth / Earth Sciences
Sep 12, 2008 |
4.5 / 5 (2) |
0
Xiete is the first new mineral with post-spinel structure found by a Chinese-American team from the Guangzhou Institute of Geochemistry, Chinese Academy of Sciences and the Geophysical Laboratory, Carnegie Institution of ...
