All Articles Tagged As: lava
Geological history has periodically featured giant lava eruptions that coat large swaths of land or ocean floor with basaltic lava, which hardens into rock formations called flood basalt. New research proposes that the remnants of six of the largest volcanic events of the past 250 million years contain traces of the ancient Earth's primitive mantle -- which existed before the largely differentiated mantle of today -- offering clues to the geochemical history of the planet. Their work is published online July 27 by Nature.
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Thousands of years after the lava cooled, soil scientists conduct sophisticated mapping of the resulting soil landscape.
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Ancient lava flows are guiding a better understanding of what generates and controls the Earth's magnetic field - and what may drive it to occasionally reverse direction.
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 | Scientists have found differences in the iron isotope composition of basalts from a lava lake in Hawaii that point to new ways of studying the origins of the earth and other planets. ...> Full Article |
 | New help unearthing major potential new oil fields which have lain undiscovered and untapped for over 40 million years. ...> Full Article |
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