Meteoritical Bulletin: Entry for Northwest Africa 14058

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Northwest Africa 14058

Basic information

Name: Northwest Africa 14058
This is an OFFICIAL meteorite name.
Abbreviation: NWA 14058
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass: 1009 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	L3
Recommended:			L3 [explanation]

This is 1 of 848 approved meteorites (plus 2 unapproved names) classified as L3. [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 21 Jun 2021

Writeup

Writeup from MB 110:

Northwest Africa 14058 (NWA 14058)

(Northwest Africa)

Purchased: 2021 Mar

Classification: Ordinary chondrite (L3)

History: Bought by Mohamed Ali Loud from a Saharawi mineral dealer in Mauritania.

Petrography: (K. Metzler, IfP) Unequilibrated ordinary chondrite, consisting of chondrules and chondrule fragments (chemical type I and II), metal and sulfide grains and fine-grained interchondrule matrix. The mean apparent chondrule size is 560 µm (145-1470 µm; n=103).

Geochemistry: Mineral compositions and geochemistry: The mean olivine composition is Fa_23.5±4.3(Fa_15.9-27.6; n=16); the mean low-Ca pyroxene composition is Fs_14.3±7.3Wo_1.5±1.4(Fs_5.5-23.3Wo_0.2-3.4; n=10).

Classification: L chondrite, based on mean apparent chondrule size. Petrologic type 3 (proposed subtype 3.8), based on the chemical variation of olivine (PMD of Fa values: 18.4%).

Specimens: Largest piece: 349 g

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Mauritania
Date:	P 2021 Mar
Mass (g):	1009
Pieces:	5
Class:	L3
Shock stage:	C-S1
Weathering grade:	W2/3
Fayalite (mol%):	23.5±4.3
Ferrosilite (mol%):	14.3±7.3
Wollastonite (mol%):	1.5±1.4
Classifier:	K. Metzler, IfP
Type spec mass (g):	23
Type spec location:	IfP
Main mass:	Mohamed Ali Loud
Comments:	Submitted by K. Metzler, IfP

Institutions
and collections

IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)

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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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Domjan Svilkovic

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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