ancient rocks

Asteroids hit earth more frequently than thought


April 26th, 2012 - 12:54 pm ICT by IANS
Washington, April 26 (IANS) Giant asteroids, similar or larger than the one believed to have killed the dinosaurs, hit Earth billions of years ago with more frequency than previously thought, ... Read more...

Posted in World |

Suspended in air, US dancers give Delhi building a high (With Image)


November 26th, 2010 - 4:56 pm ICT by IANS
New Delhi, Nov 26 (IANS) High on the glass and steel facade of the multi-storey LIC building in Connaught Place here, they looked like butterflies against a shimmering surface. But they were ... Read more...

Posted in Uncategorized |

Discovery could reveal ‘what Earth and Mars were like 100m yrs ago’


November 9th, 2010 - 2:32 pm ICT by ANI
Washington, Nov 09 (ANI): It could now be possible to know what the atmospheres of the Earth and Mars were like hundreds of millions years ago, thanks to a new chemical reaction ... Read more...

Posted in Health Science |

Birds in the dino era pecked just like their modern counterparts


October 27th, 2010 - 1:21 pm ICT by ANI
Washington, Oct 27 (ANI): 110 million-year-old rock fossils discovered recently by palaeontologists from the University of Kansas in Lawrence indicate that shorebirds from the dinosaur era shuffled and foraged just like today's ... Read more...

Posted in Health Science |

50 mn-year-old sunflower evokes memories of Van Gogh painting


September 24th, 2010 - 4:51 pm ICT by IANS
London, Sep 24 (IANS) The bold strokes and colours vividly remind one of Vincent van Gogh's renowned sunflower paintings. The similarity is no accident, for this ancient masterpiece, going back 50 million years, ... Read more...

Posted in Sci-Tech |

Oldest Earth mantle reservoir discovered on Baffin Island


August 12th, 2010 - 2:33 pm ICT by ANI
London, Aug 12 (ANI): Scientists have discovered evidence for the oldest Earth mantle reservoir on Baffin Island in the Canadian Arctic.The Earth's mantle is a rocky, solid shell that is between the ... Read more...

Posted in Health Science |

Banded rocks may reveal Earth’s environment 2 billion years ago


October 12th, 2009 - 3:46 pm ICT by ANI
Washington, October 12 (ANI): Scientists have determined that the strikingly banded rocks scattered across the upper Midwest and elsewhere throughout the world can offer clues to the environment of the early Earth ... Read more...

Posted in Health Science |

Carbonyl Sulphide gas saved the world from freezing over 3 billion years ago


August 19th, 2009 - 2:50 pm ICT by ANI
Washington, August 19 (ANI): A team of scientists has determined that Carbonyl Sulphide gas warmed the world and saved it from freezing over during the Archean eon more than 3 billion years ... Read more...

Posted in Health Science |

Iron isotopes can be used as a tool in oceanography


August 2nd, 2009 - 1:47 pm ICT by ANI
Washington, August 2 (ANI): A new research, involving scientists from the National Oceanography Centre, Southampton (NOCS), has highlighted the potential utility of iron isotopes for addressing important questions in ocean science.Pore-fluid iron ... Read more...

Posted in Health Science |

Comets, not asteroids, scarred Moon’s face about 4 billion years ago


July 28th, 2009 - 1:44 pm ICT by ANI
London, July 28 (ANI): A new study of ancient rocks in Greenland has suggested that icy comets - not rocky asteroids - launched a dramatic assault on the Earth and moon around ... Read more...

Posted in Health Science |

Venus may once have been more Earth-like


July 14th, 2009 - 4:52 pm ICT by ANI
Paris, July 14 (ANI): Venus Express has charted the first map of the planet's southern hemisphere at infrared wavelengths, which hints that Venus may once have been more Earth-like, with both, a ... Read more...

Posted in Health Science |

New technique may reveal how Earth’s continents were arranged 2.5 billion years ago


June 8th, 2009 - 2:03 pm ICT by ANI
London, June 8 (ANI): Scientists have developed a new technique that allows them to recover rare minerals from rocks, which may helps piece together how the Earth's continents were arranged 2.5 billion ... Read more...

Posted in Health Science |

Ancient meteorites magnetic fields contain records of early histories of planets


October 31st, 2008 - 3:01 pm ICT by ANI
Washington, Oct 31 (ANI): A new research has determined that ancient meteorites that are among the oldest rocks ever found, still contain magnetic records about the very early history of planets.MIT ... Read more...

Posted in National |

New anlaysis challenges key evidence about when photosynthesis emerged on Earth


October 23rd, 2008 - 1:05 pm ICT by ANI
London, Oct 23 (ANI): A fresh analysis of ancient rocks from the Australian outback has challenged key evidence about when photosynthesis emerged on Earth. Back in 1999, 2.7-billion-year-old shale from the ... Read more...

Posted in National |

Earths oldest rocks may not be that old


September 27th, 2008 - 12:48 pm ICT by ANI
London, September 27 (ANI): Researchers from the University of McGill in Canada, who had claimed to have found the oldest rocks on Earth, as old as 4.28 billion years, are now ... Read more...

Posted in Health Science |

World’s oldest rocks discovered in Canada (Lead)


September 26th, 2008 - 11:34 pm ICT by IANS
Toronto, Sep 26 (IANS) Canadian researchers have discovered the world's oldest rocks in the country's Quebec province that could shed more light on our planet's mysterious beginnings.Estimated to be 4.28 billion years ... Read more...

Posted in Environment |

Researchers discover the world’s oldest rocks


September 26th, 2008 - 3:09 pm ICT by IANS
Toronto, Sep 26 (IANS) McGill University researchers have discovered the oldest ever existing rocks, which shed more light on our planet's mysterious beginnings. Known as "faux-amphibolites", these rocks may be remnants of ... Read more...

Posted in Environment |

Scientists discover the oldest rocks on Earth


September 26th, 2008 - 12:31 pm ICT by ANI
Washington, September 26 (ANI): Researchers from the University of McGill in Canada have found the oldest rocks on Earth, which are as old as 4.28 billion years, a discovery which pushes ... Read more...

Posted in National |

Scientists take a leap forward in understanding processes that shape Martian surface


September 24th, 2008 - 3:58 pm ICT by ANI
Berlin, September 24 (ANI): The High Resolution Imaging Science Experiment (HiRISE), carried by NASAs Mars Reconnaissance Orbiter is helping scientists make leaps forward in understanding both the ongoing and ancient processes ... Read more...

Posted in World |

Ancient mineral provides clue to early climate


June 15th, 2008 - 4:05 pm ICT by IANS
New York, June 15 (IANS) A new analysis of ancient minerals called zircons suggests that earth's earliest continents were probably destroyed by an extremely harsh climate. Zircons, the oldest known materials on ... Read more...

Posted in World |

Ancient minerals suggest harsh climate destroyed surface of Earths earliest continents


June 14th, 2008 - 12:41 pm ICT by ANI
Washington, June 14 (ANI): A new analysis of ancient minerals called zircons suggests that a harsh climate may have scoured and possibly even destroyed the surface of the Earths earliest continents.Zircons, ... Read more...

Posted in National |

Atmosphere, CO2 saved Earth from freezing under young Sun


May 12th, 2008 - 12:10 pm ICT by admin
London, May 12 (ANI): Scientists have built a model which suggests that the Earth didnt freeze under a faint young sun between 2 and 2.5 billion years ago because the planets ... Read more...

Posted in World |

Discovery of 2 billion year old rocks may shed light on mantle formation


April 12th, 2008 - 12:51 pm ICT by admin
Washington, April 12 (ANI): Geologists have unearthed ancient rocks from the ocean floor of the North Pole that date back to 2 billion years, which may shed light on the formation ... Read more...

Posted in Life Style |

NASA finds new evidence that might lead to discovery of life on Mars


March 21st, 2008 - 12:56 pm ICT by admin
Washington, March 21 (ANI): NASA's Mars Odyssey orbiter has found evidence of salt deposits on the surface of the Red Planet, which point to places where water once was abundant and ... Read more...

Posted in World |

Oxygenation events in ancient oceans may have sparked spread of complex life


February 26th, 2008 - 12:35 pm ICT by admin
Washington, Feb 26 (ANI): A new study has suggested that the rise of oxygen and the oxidation of deep oceans between 635 and 551 million years ago may have had an impact ... Read more...

Posted in Health Science |

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