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Northwest Africa 14402
Basic information Name: Northwest Africa 14402
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14402
Observed fall: No
Year found: 2019
Country: Morocco
Mass:help 791 g
Classification
  history:
Recommended:  L3    [explanation]

This is 1 of 793 approved meteorites (plus 1 unapproved name) classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 31 Oct 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14402 (NWA 14402)

Morocco

Purchased: Aug 2019

Classification: Ordinary chondrite (L3)

History: Purchased by Sean Tutorow from a dealer in August 2019 in Morocco.

Physical characteristics: Dark brown stone with preserved fusion crust. Cut surface shows densely packed chondrules within a dark brown matrix.

Petrography: (E. Obengo, UBayr) Petrography analysis shows chondrules (barred Ol, porphyritic Ol, porphyritic Px, or radial Px with opaques) with mean chondrule diameter 670 ± 306 µm (n=12).

Geochemistry: Olivine Fa25.4±1.9, Cr2O3=0.04±0.04%, Fe/Mn = 56±9 (n=16); low-Ca pyroxene Fs19.9±6.3Wo2.7±3.9 (n=10).

Classification: L3. Possible sub-type >3.7 based on olivine composition.

Specimens: 52.6 g including a thin section and polished mount at UBayr. S. Tutorow holds the main mass.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P Aug 2019
Mass (g):790.5
Pieces:12
Class:L3
Shock stage:S4
Weathering grade:W2
Fayalite (mol%):25.4±1.9
Ferrosilite (mol%):19.9±6.3
Wollastonite (mol%):2.7±3.9
Classifier:E. Obengo, UBayr
Type spec mass (g):52.6
Type spec location:UBayr
Main mass:S. Tutorow
Comments:G719; submitted by A. Bouvier
Institutions
   and collections
UBayr: Bayerisches Geoinstitut, University of Bayreuth, D-95440 Bayreuth, Germany (institutional address; updated 5 Feb 2020)
Catalogs:
References: Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1902 approved meteorites from Morocco (plus 27 unapproved names) (plus 1 impact crater)

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