header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 30 Nov 2019
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Include past classifications in search
Limit to approved meteorite names
Search text:  
Northwest Africa 12369
Basic information Name: Northwest Africa 12369
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12369
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 4.69 kg
Classification
  history:
Recommended:  H5    [explanation]

This is 1 of 9655 approved meteorites (plus 16 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 2 Dec 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 12369 (NWA 12369)

(Northwest Africa)

Purchased: 2018

Classification: Ordinary chondrite (H5)

History: Found in the Moroccan western Sahara in May 2018, purchased in Temara by A. Aaronson on August 14, 2018.

Physical characteristics: Single stone, no fusion crust, saw cut reveals numerous closely packed chondrules in a brown matrix.

Petrography: (C. Agee, UNM) This meteorite has many porphyritic chondrules, abundant Fe-metal, and plagioclase up to 25 μm in size.

Geochemistry: (C. Agee, UNM) olivine Fa18.2±0.2, Fe/Mn=37±2, n=30; low-Ca pyroxene Fs16.0±0.1Wo1.5±0.1, Fe/Mn=21±1, n=11.

Classification: Ordinary chondrite H5

Specimens: 25 g including a probe mount on deposit at UNM, Adam Aaronson holds the main mass.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2018
Mass (g):4685
Pieces:1
Class:H5
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):18.2±0.2
Ferrosilite (mol%):16.0±0.1
Wollastonite (mol%):1.5±0.1
Classifier:C. Agee, UNM
Type spec mass (g):25
Type spec location:UNM
Main mass:Aaronson
Comments:M2159; submitted by C. Agee
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)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, in preparation (2018)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7035 approved meteorites from (Northwest Africa) (plus 2000 unapproved names)

Direct link to this page