File:Chelyabinsk Meteorite (impact-brecciated LL5 ordinary chondrite) (4.452-4.538 Ga; impacted 15 February 2013 in the Chelyabinsk area, southern Russia) 1 (15056095260).jpg

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Chelyabinsk Meteorite (2.85 cm across at its widest) - fusion-crusted individual from the Chelyabinsk area, Russia.

The Chelyabinsk Meteorite made an impressive entry into Earth's atmosphere on 15 February 2013 as a fireball over Chelyabinsk Province of southern Russia. The main mass (about 59' across and ~9,100 tons) fell into Chebarkul Lake, about 70 to 74 km WSW of the town of Chelyabinsk. Numerous specimens from this meteorite fall have been collected.

Chelyabinsk is an impact-brecciated LL5 ordinary chondrite meteorite. Published mineral analysis shows it contains olivine-orthopyroxene chondrules in a matrix of similar composition, plus minor augite pyroxene, clinobronzite pyroxene, sodic plagioclase feldspar, troilite, FeNi metal, and chromite. Thin, black-colored impact shock veins are also present.

Isotopic dating indicates that this rock is 4.452 to 4.538 billion years old, almost dating to the origin of the Solar System. Based on its chemistry, the Chelyabinsk Meteorite probably comes from the Apollo-Amor-Aten Group of asteroids in the Asteroid Belt between Mars and Jupiter.

Locality: Chelyanbinsk Meteorite Strewn Field (Pervomayskiy-Deputatskiy-Yemanzhelinsk area, ~36 to 46 km south and south-southwest of the town of Chelyabinsk), north-central Chelyabinsk Province, southern Russia.
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Source Chelyabinsk Meteorite (impact-brecciated LL5 ordinary chondrite) (4.452-4.538 Ga; impacted 15 February 2013 in the Chelyabinsk area, southern Russia) 1
Author James St. John

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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/15056095260 (archive). It was reviewed on 25 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

25 October 2019

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current01:29, 25 October 2019Thumbnail for version as of 01:29, 25 October 20191,388 × 1,348 (691 KB)Ser Amantio di Nicolao (talk | contribs)Transferred from Flickr via #flickr2commons

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