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Northwest Africa 15073
Basic information Name: Northwest Africa 15073
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15073
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass:help 960 g
Classification
  history:
Recommended:  LL5-melt breccia    [explanation]

This is 1 of 4 approved meteorites classified as LL5-melt breccia.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 23 Jul 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 15073 (NWA 15073)

(Northwest Africa)

Purchased: 2022

Classification: Ordinary chondrite (LL5, melt breccia)

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

Physical characteristics: Dark brownish rock without fusion crust.

Petrography: Chondritic melt breccia composed of up to 2 cm sized type LL5 fragments set into abundant black shock melt. LL5 fragments contain several relict chondrules and secondary plagioclase has a grain size of about 40 µm. Shock melt is mostly recrystallized and contains characteristic FeNi metal and sufide spherules and partly resorbed mineral fragments. No metal or sulfide veins are observed.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2022
Mass (g):960
Pieces:1
Class:LL5-melt breccia
Shock stage:S4
Weathering grade:W1
Fayalite (mol%):27.1±0.3 (n=7)
Ferrosilite (mol%):22.3±0.2 (n=7)
Wollastonite (mol%):1.7±0.4 (n=7)
Classifier:A. Greshake, MNB
Type spec mass (g):35.7
Type spec location:MNB
Main mass:David Göttlich
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 (2022)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8777 approved meteorites from (Northwest Africa) (plus 1879 unapproved names)

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