Northwest Africa 10686 | |||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 10686 This is an OFFICIAL meteorite name. Abbreviation: NWA 10686 Observed fall: No Year found: 2016 Country: (Northwest Africa) Mass: 444 g | ||||||||||||||||||||||||||||||||
Classification history: |
| ||||||||||||||||||||||||||||||||
Comments: | Approved 26 Nov 2016 | ||||||||||||||||||||||||||||||||
Writeup | Writeup from MB 105: Northwest Africa 10686 (NWA 10686) (Northwest Africa) Purchased: 2016 Mar Classification: Ordinary chondrite (L3) History: Purchased by John Higgins in March 2016 from a dealer in Zagora, Morocco. Petrography: (A. Irving and S. Kuehner, UWS ) Fairly closely packed, well-formed chondrules (apparent diameter 400±300 ?m, but some up to 6 mm) occur in a relatively coarse grained matrix containing altered metal. Magnetic susceptibility log ? (× 10-9 m3/kg) = 4.24. Geochemistry: Olivine (Fa0.6-43.6; Cr2O3 in ferroan examples 0.04-0.31 wt.%, mean 0.10±0.09, N = 8), orthopyroxene (Fs0.6-18.8Wo1.0-4.3), subcalcic augite (Fs14.8Wo26.2), diopside (Fs0.6Wo45.6). Classification: Ordinary chondrite (L3). Specimens: 36 g including one polished thin section at UWB ; remainder with Mr. J. Higgins. | ||||||||||||||||||||||||||||||||
Data from: MB105 Table 0 Line 0: |
| ||||||||||||||||||||||||||||||||
Institutions and collections | : University of Washington, Department of Earth and Space Sciences : University of Washington | ||||||||||||||||||||||||||||||||
Catalogs: | |||||||||||||||||||||||||||||||||
References: | Published in Meteoritical Bulletin, no. 105, in preparation (2016) | ||||||||||||||||||||||||||||||||
Geography: |
|
GUARANTEED AUTHENTICITY Member of the Meteoritical Society & International Meteorite Collectors Association #9822 The authenticity of this meteorite has a 100% guarantee. Signed Certificate of Authenticity Included. First class delivery and provenance provided exhibiting important details of the classification & petrography. 1cm scale cube for reference purposes. COMBINING SHIPMENTS: Please request a total combined invoice after you are done bidding on all items. Postage can vary when buying multiple items based upon weight. |
Featured Refinements | Meteorite Slice |