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Posted on 12/29/2005 8:32:11 AM PST by SunkenCiv
The Shiva Crater is discussed in a recent article in Memoirs of the Queensland Museum, an Australian scientific journal, by the two scientists. In the early 1990s, based on new geological evidence, Chatterjee surmised that a crater extending from the seabed off the city of Bombay into the state of Gujarat was created by a meteor fall. He named it after Shiva. He also argued that the Shiva Crater was actually one-half of a larger crater; the other part lay undersea near the Seychelle Islands, 2,800 km southeast of India. When pieced together, the original crater (split by continental shifting) would be 600 km long, 450 km wide and 12 km deep. This suggests a considerably larger meteorite than the one that landed in Chicxulub. Chaterjee and Rudra speculate both craters may have been caused by chunks of the same meteor striking in different locations 12 hours apart as the earth rotated.
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related:
Are Asteroids History's Greatest Killers?
National Geographic News | 11/20/03 | John Roach
Posted on 11/20/2003 12:31:59 PM PST by LibWhacker
http://www.freerepublic.com/focus/f-news/1025865/posts
Now go find some seafloor coesite or suevite.
"Chatterjee... argued that the Shiva Crater was actually one-half of a larger crater... (split by continental shifting)... Chaterjee and Rudra speculate both craters may have been caused by chunks of the same meteor striking in different locations 12 hours apart as the earth rotated."
It's more likely that the Seychelles crater (if such exists) was made by a third part of a fragmented (or fragmenting) body.
You bastard!
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Just updating the GGG info, not sending a general distribution. |
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