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Grefsheim
Basic information Name: Grefsheim
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: Yes
Year fell: 1976
Country: Norway
Mass:help 45.5 g
Classification
  history:
Meteoritical Bulletin:  MB 56  (1979)  L5
NHM Catalogue:  5th Edition  (2000)  L5
MetBase:  v. 7.1  (2006)  L5
Recommended:  L5    [explanation]

This is 1 of 8266 approved meteorites (plus 4 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Writeuphelp
Writeup from MB 56:
Warning: the following text was scanned and may contain character recognition errors. Refer to the original to be sure of accuracy.

FALL OF THE GREFSHEIM, NORWAY, STONY METEORITE

Name: GREFSHEIM

Place of fall: On the ice covering Lake Mjosa, Norway.

60°40'N., 11°00'E.

Date of fall: Between January 25 and February 1, 1976.

Class and type: Stone. Olivine-hypersthene chondrite (L5). Olivine Fa23.7.

Number of individual

specimens: A number of small fragments.

Total weight: 45.5 g

Circumstances of fall: The fragments, which could be assembled into a complete stone with fusion crust and flight markings, were found on the ice covering Lake Mjosa, 1.6 km from the shore at Grefsheim. The material is now in the Mineralogical­Geological Museum, Oslo, Norway.

Sources: Dr. W.L. Griffin, Mineralogisk-Geologisk Museum, Oslo, Norway. Dr. V.F. Buchwald, Department of Metallurgy, Technical University of Denmark, 2800 Lyngby, Denmark. See also J.A. Dons, 1977. Naturen 101, No. 6.

Catalogs:
References: Published in Meteoritical Bulletin, no. 56, Meteoritics 14, 161-175 (1979)
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Geography:

Norway
Coordinates:
     Catalogue of Meteorites:   (60° 40'N, 11° 0'E)
     Recommended::   (60° 40'N, 11° 0'E)

Statistics:
     This is 1 of 2 approved meteorites from Oppland, Norway
     This is 1 of 16 approved meteorites from Norway (plus 3 impact craters)
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