Northwest Africa 11056 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11056 This is an OFFICIAL meteorite name. Abbreviation: NWA 11056 Observed fall: No Year found: 2016 Country: (Northwest Africa) Mass: 289 g | ||||||||||||||||||||||||||||||||
Classification history: |
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Comments: | Approved 15 Jun 2017 | ||||||||||||||||||||||||||||||||
Writeup | Writeup from MB 106: Northwest Africa 11056 (NWA 11056) (Northwest Africa) Purchased: 2016 Oct Classification: Ordinary chondrite (LL3) History: Purchased by John Higgins in October 2016 from a dealer in Nouakchott, Mauritania. Petrography: (A. Irving and S. Kuehner, UWS ) Fairly closely packed, well-formed chondrules (apparent diameter 500±300 μm) are set in a sparse, fine-grained matrix containing altered metal. Geochemistry: Olivine (Fa0.4-47.3, Cr2O3 in ferroan examples 0.05-0.11 wt.%, mean 0.08±0.03 wt.%, N = 7), orthopyroxene (Fs2.5-22.7Wo0.2-2.2, N = 3), pigeonite (Fs31.0Wo16.8), augite (Fs11.2Wo45.3). Magnetic susceptibility log χ (× 10-9 m3/kg) = 3.73. Classification: Ordinary chondrite (LL3). Specimens: 23.95 g including one polished thin section at UWB ; remainder with Mr. J. Higgins. | ||||||||||||||||||||||||||||||||
Data from: MB106 Table 0 Line 0: |
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Institutions and collections | UWS : University of Washington, Department of Earth and Space Sciences, UWB : University of Washington, |
GUARANTEED AUTHENTICITY The authenticity of this meteorite has a 100% guarantee. Signed Certificate of Authenticity Included. Comes with acrylic display case/box to protect and show your new meteorite. 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, my goal is for each customer to pay the cost of postage, no more or less. |
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