News tagged with volcanic rocks

results timeline


Princeton paleomagnetists put controversy to rest

Paleomagnetists put controversy to rest

Space & Earth / Earth Sciences

created Oct 02, 2009 | popularity 4.5 / 5 (10) | comments 0

(PhysOrg.com) -- Princeton University scientists have shown that, in ancient times, the Earth's magnetic field was structured like the two-pole model of today, suggesting that the methods geoscientists use ...


Earth

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

Space & Earth / Earth Sciences

created May 27, 2009 | popularity 3.8 / 5 (5) | comments 4

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.


Intelligent use of the Earth's heat

Intelligent use of the Earth's heat

Space & Earth / Earth Sciences

created Feb 27, 2009 | popularity 4.6 / 5 (8) | comments 1

Geothermal energy is increasingly contributing to the power supply world wide. Iceland is world-leader in expanding development of geothermal utilization: in recent years the annual power supply here doubled ...


Clouds of blue and green phytoplankton swirl and twine in the waters of the Bay of Biscay

Tiny plants with a global impact - results of climate change experiment published

Space & Earth / Environment

created Jan 28, 2009 | popularity 4 / 5 (10) | comments 4

A possible solution to global warming may be further away than ever, according to a new report published in the prestigious scientific journal Nature this week.





Search results for volcanic rocks


Oldest Known Rock on Earth Discovered

Researchers find oldest rocks on Earth

Space & Earth / Earth Sciences

created Sep 25, 2008 | popularity 4.2 / 5 (18) | comments 3

Canadian bedrock more than four billion years old may be the oldest known section of the Earth's early crust. Scientists at the Carnegie Institution used geochemical methods to obtain an age of 4.28 billion ...


New map hints at Venus's wet, volcanic past

New map hints at Venus's wet, volcanic past (w/ Video)

Space & Earth / Space Exploration

created Jul 14, 2009 | popularity 4.1 / 5 (8) | comments 0

(PhysOrg.com) -- Venus Express has charted the first map of Venus's southern hemisphere at infrared wavelengths. The new map hints that our neighbouring world may once have been more Earth-like, with both, ...


Volcanic deposits may aid lunar outposts

Space & Earth / Earth Sciences

created Jan 23, 2008 | popularity 3.1 / 5 (9) | comments 1

A U.S. study of radar images of the moon suggests deposits from early lunar volcanoes might be useful to astronauts at lunar stations.


Researcher investigates ancient geology to understand human development, climate change

Space & Earth / Earth Sciences

created Oct 03, 2008 | popularity 4.2 / 5 (10) | comments 0

(PhysOrg.com) -- To figure out how ancient humans adapted to their environment and constructed civilizations, you need to know the environment in which they lived -- including climate change over thousands of years.


Alaska's Mount Redoubt has another large eruption (AP)

Alaska's Mount Redoubt has another large eruption

Space & Earth / Earth Sciences

created Apr 05, 2009 | popularity 5 / 5 (5) | comments 3

(AP) -- The Mount Redoubt volcano had another large eruption Saturday after being relatively quiet for nearly a week.


Researchers model the physics of mudflows

Space & Earth /

created Feb 25, 2006 | popularity 4 / 5 (2) | comments 0

Mudflows initiated by natural processes at old, inactive volcanoes contributed to the tragic mudslide in Guinsaugon, Philippines, say researchers.


'Popping rocks' gases key to Earth's gases

Space & Earth /

created Oct 15, 2005 | popularity 5 / 5 (1) | comments 0

"Popping rocks" off Mexico, near Guadalupe Island, give clues about rare gases from "young" seafloor volcanoes.


Britain’s biggest meteorite impact found

Britain’s biggest meteorite impact found

Space & Earth / Earth Sciences

created Mar 26, 2008 | popularity 4.3 / 5 (13) | comments 0

Evidence of the biggest meteorite ever to hit the British Isles has been found by scientists from the University of Aberdeen and the University of Oxford.


Mars Rover Finds Evidence of Ancient Volcanic Explosion

Mars Rover Finds Evidence of Ancient Volcanic Explosion

Space & Earth / Space Exploration

created May 04, 2007 | popularity 4.4 / 5 (19) | comments 0

NASA's Mars Exploration Rover Spirit has discovered evidence of an ancient volcanic explosion at "Home Plate," a plateau of layered bedrock approximately 2 meters (6 feet) high within the "Inner Basin" of ...


Scientists obtain rocks moving into seismogenic zone

Scientists obtain rocks moving into seismogenic zone

Space & Earth / Earth Sciences

created Oct 09, 2009 | popularity 3 / 5 (1) | comments 0

An international group of scientists aboard the Deep-Sea Drilling Vessel CHIKYU, operated by the Japan Agency for Marine-Earth Science and Technology (JAMSTEC) for the Integrated Ocean Drilling Program (IODP), ...



List of search results for volcanic rocks