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    Sunday, 22 May 2016


    GLASS BEADS FOUND IN AUSTRALIA BECAUSE OF HUGE ASTEROID HIT - NASA RELEASED LATEST NEWS OF ASTEROIDS - ABOUT ASTEROIDS

    SYDNEY: Australian researchers have discovered proof of a gigantic space rock they say hammered into Earth somewhere in the range of 3.46 billion years back - making it the second most seasoned known not hit the planet and bigger than the one rebuked for wiping out the dinosaurs. 

    GLASS BEADS FOUND IN AUSTRALIA BECAUSE OF HUGE ASTEROID HIT - NASA RELEASED LATEST NEWS OF ASTEROIDS  - ABOUT ASTEROIDS


    Andrew Glikson, from the Australian National University's Planetary Institute, said that while the space rock would have been huge, the precise area of where it hit was not known.

    "The effect would have activated seismic tremors requests of greatness more prominent than physical quakes, it would have brought on immense tidal waves and would have made precipices disintegrate," he said in an announcement.

    "Material from the effect would have spread around the world."

    Addressing AFP on Wednesday, Glikson said he and Arthur Hickman from the Geological Survey of Western Australia had discovered modest glass dabs called spherules, which are shaped by vaporized material from a space rock's effect, in Australia's remote northwest.

    They were found in a residue layer initially on the sea depths and which had been safeguarded between two volcanic layers. It dates from 3.46 billion years prior.

    "It is the second most established known," Glikson said of the space rock, which was evaluated to have been no less than 20 kilometers (12 miles) crosswise over and to have made a hole many kilometers wide.

    This makes it bigger than the mammoth space rock that slammed into Earth about 66 million years prior and is generally reprimanded for the end of the dinosaurs. That space rock is evaluated to have measured around 15 kilometers wide.

    Tests on the globules found in Western Australia discovered levels of components, for example, platinum, nickel and chromium comparing with those found in space rocks, as indicated by the researchers' paper in Precambrian Research.

    Glikson said while the find was proof of the second most established space rock to hit Earth, there may have been other comparable effects that have yet to be found since space rock pits from the period have been wrecked by volcanic action and tectonic developments.

    "This is only the tip of the ice shelf. We've just discovered confirmation for 17 sways more seasoned than 2.5 billion years, yet there could have been hundreds," he said in the announcement.

    "Space rock strikes this huge result in major tectonic movements and broad magma streams. They could have essentially influenced the way the Earth advanced."
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