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Northwest Africa 14398
Basic information Name: Northwest Africa 14398
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14398
Observed fall: No
Year found: 2019
Country: Morocco
Mass:help 536 g
Classification
  history:
Recommended:  H4    [explanation]

This is 1 of 6345 approved meteorites (plus 2 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 31 Oct 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14398 (NWA 14398)

Morocco

Purchased: Aug 2019

Classification: Ordinary chondrite (H4)

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

Petrography: (A. Bouvier, UBayr) Well packed and preserved chondrules, some larger barred olivine and porphyritic olivine chondrules are observed. Matrix is oxidized and limited metal remains in polished section.

Geochemistry: Olivine (Fa18.2±0.1; n=10), low-Ca pyroxene (Fs15.9±0.3Wo1.6±0.2; n=10), high-Ca pyroxene(Fs6.5±0.4Wo43.4±1.6, n=3), and feldspar An9.5±2.6Or6.1±0.9 (n=3).

Classification: H4

Specimens: 45.2 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):535.8
Pieces:1
Class:H4
Shock stage:S1
Weathering grade:W4
Fayalite (mol%):18.2±0.1
Ferrosilite (mol%):15.9±0.3, 6.5±0.4
Wollastonite (mol%):1.6±0.2, 43.4±1.6
Classifier:A. Bouvier, UBayr
Type spec mass (g):45.2
Type spec location:UBayr
Main mass:S. Tutorow
Comments:G647; 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 Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1847 approved meteorites from Morocco (plus 24 unapproved names) (plus 1 impact crater)

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