AN ENIGMATIC COMPLETE END PIECE OF NWA 1878 - photo 1
AN ENIGMATIC COMPLETE END PIECE OF NWA 1878 - photo 2

AN ENIGMATIC COMPLETE END PIECE OF NWA 1878

Sold
£ 2 520
Auction dateClassic
06.04.2022 14:00UTC +01:00
Auctioneer
CHRISTIE'S
Event location
United Kingdom, London
Archive
The auction is completed. No bids can be placed anymore.
Archive
ID 737552
Lot 63 | AN ENIGMATIC COMPLETE END PIECE OF NWA 1878
A large metallic nodule dominates the piece, which has been etched.

Mesosiderites are a class of stony-iron meteorites that consist of roughly equal parts of metallic nickel-iron and silicate. There are only six mesosiderites with the designation of class B. Unlike pallasites, which formed at the boundary of the stony mantle and molten core of an asteroid that was later disrupted by a collision, the formation of mesosiderites is less well understood. One leading model is that this material formed when the semi-molten core of one asteroid collided with the solidified basalt-strewn surface of a larger asteroid. This specimen appears to have been collisionally melted after it formed; coagulated metal nodules were surrounded by silicate-rich melt.

Christie's would like to thank Dr. Alan E. Rubin at the Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles for his assistance in preparing this catalogue.
90 mm x 55 mm x 20 mm (31/2 x 21/8 x 3/4)
164g.
Category:Meteorite
Address of auction CHRISTIE'S
8 King Street, St. James's
SW1Y 6QT London
United Kingdom
Preview
23.03.2022 – 06.04.2022
Phone +44 (0)20 7839 9060
Email
4FQ.AYGKAGLUQ@FO3G@
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