News tagged with mantle rocks

Water in Earth's mantle key to survival of oldest continents

Earth today is one of the most active planets in the Solar System, and was probably even more so during the early stages of its life. Thanks to the plate tectonics that continue to shape our planet's surface, ...

Space & Earth / Earth Sciences

created Sep 02, 2010 | popularity 4.8 / 5 (6) | comments 2 | with audio podcast

Arctic rocks offer new glimpse of primitive Earth

Scientists have discovered a new window into the Earth's violent past. Geochemical evidence from volcanic rocks collected on Baffin Island in the Canadian Arctic suggests that beneath it lies a region of the Earth's mantle ...

Space & Earth / Earth Sciences

created Aug 11, 2010 | popularity 5 / 5 (11) | comments 6 | with audio podcast

Scientists' work improves odds of finding diamonds

While prospectors and geologists have been successful in finding diamonds through diligent searching, one University of Houston professor and his team's work could help improve the odds by focusing future searches in particular ...

Space & Earth / Earth Sciences

created Jul 14, 2010 | popularity 4.3 / 5 (6) | comments 7 | with audio podcast

Japanese probe yields insights into Moon's inner life

Japanese astronomers on Sunday said they had found traces of a mineral that adds an important piece of knowledge to the puzzle of the Moon's geological past.

Space & Earth / Space Exploration

created Jul 04, 2010 | popularity 4.1 / 5 (14) | comments 1

Scientist's Award Allows Her To Probe the Earth's Mantle

(PhysOrg.com) -- Sandwiched between the liquid iron outer core and the thin rocky crust we live on, the Earth's mantle is more than 1,800 miles thick, and comprises more than three-quarters of the planet's volume and nearly ...

Space & Earth / Earth Sciences

created Jun 11, 2010 | popularity 4.8 / 5 (4) | comments 0

Fla. ridges' mystery marine fossils tied to rising land, not seas

Sea level has not been as high as the distinctive ridges that run down the length of Florida for millions of years. Yet recently deposited marine fossils abound in the ridges' sands.

Space & Earth / Earth Sciences

created Jun 01, 2010 | popularity 5 / 5 (3) | comments 0 | with audio podcast

The greenhouse gas that saved the world

When Planet Earth was just cooling down from its fiery creation, the sun was faint and young. So faint that it should not have been able to keep the oceans of earth from freezing. But fortunately for the creation of life, ...

Space & Earth / Earth Sciences

created Aug 18, 2009 | popularity 3.6 / 5 (9) | comments 7

What goes down, must come up: Geoscientists offer new model for degassing of Earth's mantle

A new analysis of the processes that constantly stir the Earth's deep mantle is helping to explain how the mantle holds onto a portion of ancient noble gases that were trapped during the Earth's formation.

Space & Earth / Earth Sciences

created May 27, 2009 | popularity 4 / 5 (6) | comments 4

Fledgling mantle plume may be cause of African volcano's unique lava

(PhysOrg.com) -- Nyiragongo, an active African volcano, possesses lava unlike any other in the world, which may point toward its source being a new mantle plume says a University of Rochester geochemist. The ...

Space & Earth / Earth Sciences

created Mar 13, 2009 | popularity 5 / 5 (11) | comments 0


  • Pages: 1 2