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Northwest Africa 14084
Basic information Name: Northwest Africa 14084
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14084
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 4.42 kg
Recommended:  H5    [explanation]

This is 1 of 10308 approved meteorites (plus 45 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 6 Jul 2021
Writeup from MB 110:

Northwest Africa 14084 (NWA 14084)

(Northwest Africa)

Purchased: 2020 Oct

Classification: Ordinary chondrite (H5)

History: Purchased by Jason Whitcomb in October 2020 from a dealer in Forest Lake, MN, who had acquired the stone from a Moroccan source.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Sparse chondrules (rarely containing devitrified glass) are set in a recrystallized matrix containing stained metal, chromite, troilite and chlorapatite.

Geochemistry: Olivine (Fa19.0±0.1, range Fa18.9-19.1, N = 6), low-Ca pyroxene (Fs16.9±0.2Wo1.6±0.1, range Fs16.6-17.2Wo1.5-1.8, N = 5).

Classification: Ordinary chondrite (H5).

Specimens: 35.2 g including one polished thin section at PSF; remainder with Mr. J. Whitcomb.

Data from:
  Table 0
  Line 0:
Place of purchase:Forest Lake, MN
Date:P 2020 Oct
Mass (g):4421
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):19.0±0.1
Ferrosilite (mol%):16.9±0.2
Wollastonite (mol%):1.6±0.1
Classifier:A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):35.2
Type spec location:PSF
Main mass:J. Whitcomb
Comments:Work name JW-15; submitted by A. Irving
   and collections
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
BrownU: Brown University Providence, RI 02912, United States (institutional address; updated 7 Sep 2019)
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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     This is 1 of 7937 approved meteorites from (Northwest Africa) (plus 1960 unapproved names)

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