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Katol Meteorite Shower, Maharashtra: A Preliminary Study
G. SURESH, S. H. WANKHADE, MOHAMED SHAREEF, VIVEK P. MALVIYA,
BINOD KUMAR and M. MOHAN

A meteorite shower occurred in Katol (21° 15' 30" N ; 78° 35' 00" E ; at an elevation of 415 m above msl), Nagpur district of Maharashtra state, India on May 22, 2012 between 14:00 to 14:30 hrs (Indian Standard Time) with a presently observed strewn field of ~5.0 sq km area. The event was experienced by the hundreds of inhabitants with a loud noise and fire ball between Akola in the west to Nagpur in the east. The Geological Survey of India has so far collected 27 meteorite pieces with a total weight of 3500 gm. The locations, size, shape and surface features of the individual meteorite pieces have been recorded. Based on their physical properties, mineralogy, mineral chemical mapping and REE chemistry, the Katol meteorites have been classified as olivine-rich H5 type differentiated stony meteorite with reconstituted chondrules. The preliminary evidence suggests the presence of pre-solar grains in Katol meteorite.

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A large meteorite shower in the Katol region damaged several houses on 2012 May 22 between 14:00 and 14:30 local time. The phenomenon of balls of fire shooting from the sky accompanied by huge blast-like sounds was witnessed by many in the evening around 17:00. The shower was travelling in the eastern direction and is the first such meteorite shower recorded in the Vidarbha region of Maharashtra. The meteor shower was accompanied by earth tremors measuring 2.1 on the Richter Scale. The biggest among the meteorites weighed 673.5 gms. The surface was completely burnt showing dark brown roasted colour with sub-rounded edges. GSI said the sample is a stony meteorite dominated by silicates (olivine and others) with a little iron. These are the oldest rocks in the solar system.
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Nagpur meteorites
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 Pune club to study Nagpur meteorite shower's orbit

City-based amateur astronomy club Khagol Vishwa has initiated a study to find the orbit and the three-dimensional path of the meteorite shower that took place in the Katol tehsil of Nagpur district on May 22. The team will also try to find the possible coordinates of where the larger pieces of the meteorites had fallen with the help of their trajectory and impact site coordinates.
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Stony iron meteorites may have hit Katol

A team of scientists from Mumbai left for Nagpur on Tuesday to investigate the impact of last Tuesday's meteorite shower in the Katol region, which left several houses damaged. The team is expected to reach Nagpur on Wednesday early morning.
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 Scientists to probe Nagpur meteorite shower

A team of scientists from Mumbai will leave for Nagpur on Monday to investigate and study the impact of last Tuesday's large meteorite shower in the Katol region which damaged several houses, an official said here on Sunday.
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  Meteorites add to Tuesday sound mystery

It's official now. The fire balls seen by some people in Akola district and city on Tuesday were meteorite showers spread over an area of over 200km. They travelled in eastern direction and some fell in Katol tehsil of Nagpur district. It is the first time that meteorite shower has been recorded in Vidarbha. A GSI team will be surveying the entire area where people had witnessed fire balls and explosion like sound in a day or two for more evidence.
However, the scientific reason of the sound remains unexplained. Speculations are that the sound could be the cumulative effect of different pieces of a large number of meteorites falling over a vast area or from impact of a single larger that fell in an uninhabited area like deep forest or river beds. The scientists are also not sure of any correlation, if any, between the meteorites falling and tremors of 2.1 Richter scale recorded around the same time. They said a tremor caused by impact of a huge meteorite could not be ruled out but the two events happening together could also be a coincidence.

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