News tagged with mineral deposits

Out of thin Martian air

A wet Mars is just a memory, but where did the water go?

Space & Earth / Space Exploration

created Aug 23, 2011 | popularity 5 / 5 (7) | comments 2 | with audio podcast

Australia's Antarctic claim 'at risk'

Australia holds the largest claim to Antarctica but risks losing it in any race to unlock the frozen continent's potentially vast mineral and energy resources, an influential thinktank said Monday.

Space & Earth / Earth Sciences

created Aug 08, 2011 | popularity 4.2 / 5 (5) | comments 2

Latin America mining boom clashes with conservation

Latin America is experiencing a mining boom as prices rise fuelled by a hike in global demand, but the region is also being hit by a wave of violent protests, strikes and rallies by environmentalists.

Space & Earth / Environment

created Feb 12, 2012 | popularity 5 / 5 (1) | comments 1

NASA wants mission to bring Martian rocks to Earth

(AP) -- For the past decade, NASA's Mars exploration strategy was to follow the water.

Space & Earth / Space Exploration

created May 18, 2010 | popularity 4.9 / 5 (12) | comments 21

Heart of Canada's asbestos country reinvents itself

It's an unlikely match, but a green chemistry institute is thriving in the old headquarters of a Canadian mine in a sign that the former world capital of asbestos is diversifying.

Chemistry / Materials Science

created Mar 11, 2012 | popularity 5 / 5 (2) | comments 4

New analysis of clay deposits in ancient Martian Lakes

Mars was once a much wetter world than it is now, with hot springs, rivers, lakes and perhaps even oceans. Just how wet exactly, and for how long, is still a subject of considerable debate. One vital clue ...

Space & Earth / Space Exploration

created Mar 16, 2012 | popularity 4.5 / 5 (2) | comments 0

Rich Ore Deposits Linked to Ancient Atmosphere

(PhysOrg.com) -- Much of our planet's mineral wealth was deposited billions of years ago when Earth's chemical cycles were different from today's. Using geochemical clues from rocks nearly 3 billion years old, a group of ...

Space & Earth / Earth Sciences

created Nov 19, 2009 | popularity 4.3 / 5 (3) | comments 0

Stalagmites in Northeast Brazilian Caves Confirm 9,000-Year Model of Diminishing Rainfall

(PhysOrg.com) -- Until recently, researchers studying climate history in Brazil’s dry Nordeste region expected it to have wet and dry periods similar to the rest of South America. But over the past 9,000 years, ...

Space & Earth / Earth Sciences

created Feb 25, 2009 | popularity 4.8 / 5 (4) | comments 0

Mauritius, Seychelles to jointly manage Indian Ocean shelf

Mauritius and the Seychelles on Tuesday signed a pact to jointly manage a continental shelf in the Indian Ocean spanning 396,000 square kilometres in what was described as a pathbreaking accord.

Space & Earth / Environment

created Mar 13, 2012 | popularity not rated yet | comments 0

Research challenges models of sea level change during ice-age cycles

Theories about the rates of ice accumulation and melting during the Quaternary Period -- the time interval ranging from 2.6 million years ago to the present -- may need to be revised, thanks to research findings published ...

Space & Earth / Earth Sciences

created Feb 11, 2010 | popularity 5 / 5 (4) | comments 8

Japan to use deep-sea probes to search for minerals

Japan plans to deploy unmanned probes to scour the sea-floor around the resource-poor island nation for mineral deposits, a government-backed scientific organisation said Thursday.

Space & Earth / Earth Sciences

created Aug 06, 2009 | popularity 5 / 5 (1) | comments 1

Technology opens promise, perils of ocean mining

(AP) -- There's gold in that thar sea floor. Silver, copper, zinc and lead, too. The problem is, it's a mile or two underwater and encased in massive mineral deposits that layer a dark, mysterious world.

Space & Earth / Earth Sciences

created Apr 01, 2009 | popularity 3 / 5 (2) | comments 1