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| Wisconsin Range 91627 | |||||||||||||||||||||||||
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| Basic information | Name: Wisconsin Range 91627 This is an OFFICIAL meteorite name. Abbreviation: WIS 91627 Observed fall: No Year found: 1991 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  107 g | ||||||||||||||||||||||||
| Classification history: |
This is 1 of 78 approved meteorites classified as H3.8. [show all] Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||
| Writeup |
Writeup from AMN 16(1):
Sample No.: WIS91627 Location: Wisconsin Range Dimensions (cm): 5.0 x 4.2 x 3.0 Weight (g): 107.0 Meteorite Type: H3 Chondrite
Macroscopic Description: Cecilia Satterwhite Oxidation haloes are present in the black fusion crust which covers 75% of WIS91627. Light gray and white inclusions/chondrules are visible in the mostly brown colored interior. Metal is obvious.
Thin Section (,2) Description: Brian Mason The section shows numerous chondrules and chondrule fragments, up to 1.2 mm across, in a granular matrix consisting largely of olivine and pyroxene, with a moderate amount of nickel-iron and minor troilite. Some weathering is indicated by brown limonitic staining throughout the section. Microprobe analyses show olivine and pyroxene of variable composition: olivine, Fa8-26, mean Fa18 (CV FeO is 28); pyroxene, Fs2-22. The variability of olivine and pyroxene compositions indicates type 3, and the amount of nickel-iron H group, hence the meteorite is classified as an H3 chondrite (estimate H3.7).
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| Data from: MB76 Table 2 Line 5536: |
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| References: | Published in Antarctic Meteorite Newsletter 16(1) (1993), JSC, Houston Published in Meteoritical Bulletin, no. 76, Meteoritics 29, 100-143 (1994)
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Geography:
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Statistics: This is 1 of 44543 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||||||||||||||||||
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| Revision history: |
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