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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:help 680 g
Classification
  history:
Recommended:  LL4    [explanation]

This is 1 of 392 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
Writeuphelp
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 (Fa27.3±0.4, range Fa27.1-28.2, N = 7), low-Ca pyroxene (Fs22.40±0.3Wo1.4±0.2, range Fs21.9-22.9Wo1.1-1.9, 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 26 Oct 2023)
Catalogs:
References: Published in Meteoritical Bulletin, no. 111, in preparation (2022)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names)

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