Meteoritical Bulletin: Entry for Northwest Africa 15127

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Northwest Africa 15127

Basic information

Name: Northwest Africa 15127
This is an OFFICIAL meteorite name.
Abbreviation: NWA 15127
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass: 680 g

Classification
history:

Meteoritical Bulletin:	MB 111	(2023)	LL4
Recommended:			LL4 [explanation]

This is 1 of 396 approved meteorites classified as LL4. [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 23 Jul 2022

Writeup

Writeup from MB 111:

Northwest Africa 15127 (NWA 15127)

(Northwest Africa)

Purchased: 2022

Classification: Ordinary chondrite (LL4)

History: Purchased by Shun-Chung Yang and Juan Chen in 2022 from a dealer in Tindouf, Algeria.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-formed equilibrated chondrules containing devitrified glass are set in a relatively coarse grained matrix containing pentlandite, minor altered kamacite, chromite, troilite and merrillite, but no plagioclase. Some shock melt veins are present.

Geochemistry: Olivine (Fa_27.3±0.4, range Fa_27.1-28.2, N = 7), low-Ca pyroxene (Fs_22.40±0.3Wo_1.4±0.2, range Fs_21.9-22.9Wo_1.1-1.9, N = 8).

Classification: Ordinary chondrite (LL4).

Specimens: 35.0 g including one polished thin section at UWB; remainder with Mr. S.-C. Yang and Mr. J. Chen.

Data from:
  MB111
  Table 0
  Line 0:

Place of purchase:	Tindouf
Date:	P 2022
Mass (g):	680
Pieces:	1
Class:	LL4
Shock stage:	S4
Weathering grade:	W1
Fayalite (mol%):	27.3±0.4
Ferrosilite (mol%):	22.4±0.3
Wollastonite (mol%):	1.4±0.2
Classifier:	A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):	35.0
Type spec location:	UWB
Main mass:	S.-C. Yang and J. Chen
Comments:	Work name SCY-63; submitted by A. Irving

Institutions
and collections

UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
BrownU: Joseph Boesenberg Brown University Dept of Earth, Environmental and Planetary Sciences (DEEPS) 324 Brook Street Providence, RI 02912 , United States (institutional address; updated 4 Jan 2024)

Catalogs:

References:

Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?

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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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