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Northwest Africa 13069
Basic information Name: Northwest Africa 13069
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13069
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 361 g
Classification
  history:
Recommended:  LL4    [explanation]

This is 1 of 368 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 10 Jan 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13069 (NWA 13069)

(Northwest Africa)

Purchased: 2016

Classification: Ordinary chondrite (LL4)

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

Physical characteristics: Grayish rock partly covered with fusion crust.

Petrography: The meteorite displays a grayish interior and shows a chondritic texture composed of mostly rounded chondrules (mean diameter about 800 μm) that are only loosely packed. The matrix appears brecciated and contains sulfides and rare FeNi metal. Olivine is compositionally equilibrated while low-Ca pyroxene shows zoning.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Zagora, Morocco
Date:P 2016
Mass (g):361
Pieces:1
Class:LL4
Shock stage:S1
Weathering grade:W1
Fayalite (mol%):28.5±0.2 (n=12)
Ferrosilite (mol%):20.4±3.4 (13.9-23.7, n=18)
Wollastonite (mol%):0.8±0.6 (0.3-1.8, n=18)
Classifier:A. Greshake, MNB
Type spec mass (g):24.9
Type spec location:MNB
Main mass:anonymous
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. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7320 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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