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Northwest Africa 13290
Basic information Name: Northwest Africa 13290
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13290
Observed fall: No
Year found: 2019
Country: Algeria
Mass:help 16.4 kg
Classification
  history:
Recommended:  H6    [explanation]

This is 1 of 6153 approved meteorites (plus 5 unapproved names) classified as H6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 18 Apr 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13290 (NWA 13290)

Algeria

Find: 2019 Apr

Classification: Ordinary chondrite (H6)

History: Purchased in June 2019 by Juan Aviles Poblador from a meteorite dealer in Algeria.

Physical characteristics: Sample has a slightly weathered fusion crust.

Petrography: (D. Sheikh, FSU) Sample is an equilibrated chondrite containing blurred chondrules (0.2-1.1mm, n=5), secondary recrystallized albitic feldspar (Av. 62±5 µm), troilite, kamacite, Fe oxides, chlorapatite, and chromite.

Geochemistry: Olivine (Fa18.8±0.3, range Fa18.3-19.2, n=23), Low-Ca Pyroxene (Fs16.3±0.2Wo1.2±0.2, range Fs16.2-16.5Wo0.8-1.4, n=8).

Classification: Ordinary Chondrite (H6)

Specimens: 20.62 grams at UCLA; main mass with Juan Aviles Poblador.

Data from:
  MB109
  Table 0
  Line 0:
Date:2019 Apr
Mass (g):16400
Pieces:20
Class:H6
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):18.8±0.3 (N=23)
Ferrosilite (mol%):16.3±0.2 (N=8)
Wollastonite (mol%):1.2±0.2 (N=8)
Magnetic suscept.:5.33
Classifier:D. Sheikh, FSU
Type spec mass (g):20.62
Type spec location:UCLA
Main mass:Juan Aviles Poblador
Comments:Submitted by Daniel Sheikh
Institutions
   and collections
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
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Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1073 approved meteorites from Algeria (plus 26 unapproved names) (plus 4 impact craters)

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