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Latest Isua greenstone belt Stories

2010-03-31 13:44:30

Climate scientists from all over the globe are now able to test their climate models under extreme conditions thanks to Professor Minik Rosing, University of Copenhagen In 1972, the late, world famous astronomer Carl Sagan and his colleague George Mullen formulated "The faint early sun paradox. " The paradox consisted in that the earth's climate has been fairly constant during almost four of the four and a half billion years that the planet has been in existence, and this despite the fact...

2009-06-18 08:29:58

For the first time scientists have discovered the presence of a natural deep earth pump that is a crucial element in the formation of ore deposits and earthquakes.The process, called creep cavitation, involves fluid being pumped through pores in deformed rock in mid-crustal sheer zones, which are approximately 15 km below the Earth's surface.The fluid transfer through the middle crust also plays a key role in tectonic plate movement and mantle degassing.The discovery was made by examining one...

2005-06-14 17:25:31

Boulder, Colo. "“ The July-August issue of the GEOLOGICAL SOCIETY OF AMERICA BULLETIN includes several newsworthy items. Topics include: a possible 3-10-year warning mechanism for North American west-coast earthquakes; discovery of a 4600-year history of tsunamis on the Oregon coast; and present-day tilting of the Great Lakes region. Representatives of the media may obtain complimentary copies of articles by contacting Ann Cairns at acairns@geosociety.org. Please discuss articles of...


Word of the Day
malpais
  • The ragged surface of a lava-flow.
'Malpais' translates from Spanish as 'bad land.'