Study: Mountains reached current elevation earlier than thought

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The Ruby Mountains in northeast Nevada are within the Basin and Range region where Andreas Mulch and his colleagues analyzed samples of volcanic glass. Credit: Andreas Mulch
The Ruby Mountains, in northeast Nevada, are within the Basin and Range region where Andreas Mulch and his colleagues analyzed samples of volcanic glass. Credit: Andreas Mulch

Geologists studying deposits of volcanic glass in the western United States have found that the central Sierra Nevada largely attained its present elevation 12 million years ago, roughly 8 or 9 million years earlier than commonly thought.


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Japanese sailor first to cross Pacific in wave-powered boat

Jul 05, 2008 | User rating: not rated yet
Japanese sailor and environmentalist Kenichi Horie has completed a 110-day solo voyage across the Pacific Ocean in a boat propelled by wave power to claim another world first.

Major quake hits region of Okhotsk Sea

Jul 05, 2008 | User rating: not rated yet
A major earthquake with a magnitude of 7.5 hit the region of the Sea of Okhotsk early Saturday, the US Geological Survey said, but no casualties were reported.

Phoenix scientists soon will analyze Martian ice

Jul 04, 2008 | User rating: not rated yet
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Only seven years left for global warming target: UN panel chief

Jul 04, 2008 | User rating: not rated yet
The head of the UN's Nobel-winning panel of climate scientists on Friday said only seven years remained for stabilising emissions of global-warming gases at a level widely considered safe.

Australia needs carbon trading to fight climate change: study

Jul 04, 2008 | User rating: not rated yet
A major climate change report for Australia's government on Friday recommended the rapid introduction of an emissions trading scheme to curb greenhouse gases and warned that delay could be disastrous.
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