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Northwest Africa 15594
Basic information Name: Northwest Africa 15594
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15594
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass:help 117 g
Classification
  history:
Recommended:  LL3    [explanation]

This is 1 of 441 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 7 Jan 2023
Writeuphelp
Writeup from MB 112:

Northwest Africa 15594 (NWA 15594)

(Northwest Africa)

Purchased: October, 2022

Classification: Ordinary chondrite (LL3)

History: The meteorite was purchased from a meteorite dealer Agadir, Morocco.

Physical characteristics: Many dark brownish fragments partly covered with fusion crust.

Petrography: The meteorite shows a chondritic texture with well-defined, mostly rounded, and partly packed chondrules (mean diameter about 0.8 mm) in a more fine-grained brownish matrix that contains sulfides and rare FeNi metal mostly altered to iron oxides and hydroxides.

Geochemistry: Cr2O3 in ferroan olivine 0.10±0.05 wt%, range Cr2O3=0.02-0.19 wt%, n=42.

Classification: Ordinary chondrite (LL3). Estimated subtype LL3.3

Data from:
  MB112
  Table 0
  Line 0:
Place of purchase:Agadir, Morocco
Date:P October, 2022
Mass (g):117
Pieces:many
Class:LL3
Shock stage:S1
Weathering grade:W3
Fayalite (mol%):15.4±9.9 (0.9-30.1, n=30)
Ferrosilite (mol%):11.1±7.4 (1.9-21.6, n=29)
Wollastonite (mol%):1.1±0.7 (0.3-2.8, n=29)
Magnetic suscept.:3.41
Classifier:A. Greshake, MNB
Type spec mass (g):20
Type spec location:MNB
Main mass:Said Yousfi
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. 111, in preparation (2023)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Said Yousfi   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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