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| Ryder Gletcher | |||||||||||||
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| Basic information | Name: Ryder Gletcher This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 1988 Country: Greenland Mass:  5.29 kg | ||||||||||||
| Classification history: |
This is 1 of 8891 approved meteorites (plus 5 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) | ||||||||||||
| Writeup |
Writeup from MB 88:
Ryder Gletcher Knud Rasmussen Land, North Greenland Found 1988 or 1989 Ordinary chondrite (L5) A stone of 5288 g was brought to the Natural History Museum Bern for investigation in August 2001. It had previously been shown to Dr. W.R. Danner at UBC Vancouver in 1995 as a meteorite from Greenland. The finder spotted the stone from low-flying aircraft on a north-flowing valley glacier at a surface altitude of approximately 1000 m. The stone is relatively unweathered, oriented and completely covered with a black fusion crust. Classification and mineralogy (E. Gnos, UBE; B. A. Hofmann, NMB): olivine Fa23.5±1.1 (22.5 by XRD); pyroxene, Fs20.8 Wo1.2 ; shock stage, S4; weathering grade, W1. Some areas are shock-blackened (troilite mobilisate on fractures). Specimens: type specimen: 21 g, Geological Museum Copenhagen, main mass (5199 g) with anonymous finder. | ||||||||||||
| Institutions and collections |
Bern: University of Bern, University of Bern, Hochschulstrasse 4, CH-3012 Bern, Switzerland (institutional address) NMB: Natural History Museum Bern Bernastrasse 15 CH-3005 Bern Switzerland, Switzerland; Website (institutional address; updated 2 Mar 2012) UBE: University of Bern, University of Bern, Hochschulstrasse 4, CH-3012 Bern, Switzerland (institutional address) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
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Geography:
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Statistics: This is 1 of 3 approved meteorites from Nordgronland, Greenland This is 1 of 4 approved meteorites from Greenland (plus 1 unapproved name) | ||||||||||||
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