astro.wikisort.org - Meteorite

The Richardton meteorite is a 90 kilograms (200 lb) H5 Ordinary chondrite that was seen to fall at 21:48 on 30 June 1918 between Mott, North Dakota and Richardton, North Dakota, United States.[1][2]

Richardton meteorite
Type	Chondrite
Class	Ordinary chondrite
Group	H5
Country	United States
Region	Richardton, North Dakota
Coordinates	46°37′30″N 102°16′17″W
Observed fall	Yes
Fall date	1918-06-30
TKW	90 kilograms (200 lb)
Strewn field	Yes
Related media on Wikimedia Commons

Pieces were found in a strewn field of about 9 miles (14 km) by 5 miles (8.0 km) centred on 46°37′30″N 102°16′17″W and oriented north–south.[2] As of December 2012^[update] pieces of this meteorite were for sale online at up to US$80/g.[3]

In 1960 John Reynolds discovered that the Richardton meteorite had an excess of ¹²⁹Xe, a result of the presence of ¹²⁹I in the solar nebula.[4][5]

Mineralogy

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Classification

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See also

• Glossary of meteoritics

References

External links

• A combined chemical-petrological study of separated chondrules from the Richardton meteorite, N.M. Evensen et al., Lamont-Doherty Geological Observatory of Columbia University, Palisades, NY 10964 U.S.A., Earth and Planetary Science Letters doi:10.1016/0012-821X(79)90028-1

На других языках

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[de] Richardton (Meteorit)

Richardton ist ein als H5-Chondrit klassifizierter Meteorit. Er fiel am 30. Juni 1918 in North Dakota, USA. Insgesamt wurden 90 kg geborgen.

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- [en] Richardton meteorite

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