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Northwest Africa 15729
Basic information Name: Northwest Africa 15729
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15729
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass:help 957 g
Classification
  history:
Meteoritical Bulletin:  MB 112  (2023)  LL3
Recommended:  LL3    [explanation]

This is 1 of 477 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 23 Feb 2023
Writeuphelp
Writeup from MB 112:

Northwest Africa 15729 (NWA 15729)

(Northwest Africa)

Purchased: Jun 2022

Classification: Ordinary chondrite (LL3)

History: Reportedly found by nomads in Mauritania und subsequently purchased by Mr. Jasper Spencer from a Mauritanian dealer via Facebook Messenger.

Physical characteristics: Many brownish stones lacking fusion crust.

Petrography: The meteorite shows a chondritic texture with well-defined, mostly flattened and packed chondrules (mean diameter about 0.9 mm) in a fine-grained light brownish matrix that contains partly altered sulfides and rare FeNi metal.

Geochemistry: Cr2O3 in ferroan olivine 0.05±0.06 wt%, n=30.

Classification: Ordinary chondrite (LL3).

Data from:
  MB112
  Table 0
  Line 0:
Place of purchase:Mauritania
Date:P Jun 2022
Mass (g):957
Pieces:many
Class:LL3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):16.4±9.3 (1.4-35.9, n=28)
Ferrosilite (mol%):10.9±7.2 (1.7-19.4, n=29)
Wollastonite (mol%):1.1±1.0 (0.2-3.8, n=29)
Magnetic suscept.:3.92
Classifier:A. Greshake, MNB
Type spec mass (g):38.8
Type spec location:MNB
Main mass:Jasper Spencer
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 112, in preparation (2023)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names)
Also see:
  This lists the most popular meteorites among people who looked up this meteorite.
Revision
  history:
  This lists important revisions made to data for this record.

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