[meteorite-list] PRL To Unravel India Meteor Mystery
From: David Freeman <dfreeman_at_meteoritecentral.com>
Date: Thu Apr 22 10:28:23 2004 Message-ID: <3F84444C.1070206_at_fascination.com> Dear List; This post and the Newsline impression seems quite interesting. "Radioactive"... most primitive (yet has iron veins, with iron flow in the cracks), mmm.......interesting reporting. Meteoric rains? Dave F. Ron Baalke wrote: > >http://cities.expressindia.com/fullstory.php?newsid=65145 > >PRL to unravel meteor mystery >Ahmedabad Newsline (India) >October 7, 2003 > >Ahmedabad: A piece of rock is the centre of attraction at Physical >Research Laboratory (PRL), Ahmedabad these days. The 250-gm rock >piece that holds the promise of unravelling the many mysteries of >solar system, is a part of the meteorite that landed in Orissa on >September 27, and has been brought here by a team of PRL scientists. > >Although the scientists here are not sure of the age of the rock at >the moment, looking at the chondrules (small rounded structures on >the rock), they say it appears to be part of some of the most >primitive material in space. Scientists say since the rock is >radioactive, tests can reveal its age and its detailed study will >help them infer what happened in the solar system way back. > >"This rock (meteorite) is no ordinary piece of stone, as it has in >it imprints of the changes that have taken place in the space during >the last 4.6 billion years," said a scientist from PRL who visited >Orissa. PRL scientists say the iron veins in the rock suggest that >after its formation, the rock was subjected to intense heat, >following which iron must have flowed into the cracks. > >A meteorite is a piece of extra-terrestrial solid mass that has >survived atmospheric friction and landed on earth. > >Scientists say when these pieces of extra-terrestrial rocks orbiting >the solar system collide with each other, they leave their orbits >and travel through earth's atmosphere to land on earth. Usually, a >major chunk of the rocks burn during their passage, but whatever >matter survive the friction and reach the earth are mines of >information. > >Scientists at PRL say these "meteoric rains" are very important as >they provide us with "free samples" of rocks from space. > >PRL scientists said the rock will be a subject of intense study to >find out details about its mineralogy, composition, history and >various other factors. > > >______________________________________________ >Meteorite-list mailing list >Meteorite-list_at_meteoritecentral.com >http://www.pairlist.net/mailman/listinfo/meteorite-list > > Received on Wed 08 Oct 2003 01:07:24 PM PDT |
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