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Northwest Africa 11526
Basic information Name: Northwest Africa 11526
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11526
Observed fall: No
Year found: 2017
Country: Algeria
Mass:help 156 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  LL3
Recommended:  LL3    [explanation]

This is 1 of 342 approved meteorites classified as LL3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 21 Nov 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11526 (NWA 11526)

Algeria

Purchased: 2017

Classification: Ordinary chondrite (LL3)

History: Reportedly found in Al Hamada, Algeria, near the Mali border region in May 2017 and purchased in Mauritania in June 2017.

Physical characteristics: Single stone, weathered exterior; saw cut reveals numerous chodrules set in an orange-brown groundmass.

Petrography: (C. Agee) Microprobe examination of a polished mount shows numerous porphyritic, most with mesostasis or glass.

Geochemistry: (C. Agee, UNM) Olivine Fa29.3±3.5, Fe/Mn=63±17, n=21; low-Ca pyroxene Fs18.4±6.8Wo2.4±2.5, Fe/Mn=37±10, n=11.

Classification: Ordinary chondrite LL3, estimated LL3.7-3.9.

Specimens: 24 g including a probe mounts on deposit at UNM, DPitt holds the main mass.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Mauritania
Date:P 2017
Mass (g):156
Pieces:1
Class:LL3
Shock stage:S3
Weathering grade:W3
Fayalite (mol%):29.3±3.5
Ferrosilite (mol%):18.4±6.8
Wollastonite (mol%):2.4±2.5
Classifier:C. Agee, UNM
Type spec mass (g):24
Type spec location:UNM
Main mass:Darryl Pitt
Comments:Field name MVCH293; submitted by C. Agee, UNM
Institutions
   and collections
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
Catalogs:
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1015 approved meteorites from Algeria (plus 26 unapproved names) (plus 4 impact craters)

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