header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 15 Dec 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:
Limit to approved meteorite names
Search text:  
Northwest Africa 12962
Basic information Name: Northwest Africa 12962
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12962
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 253 g
Classification
  history:
Recommended:  EL-melt rock    [explanation]

This is 1 of 15 approved meteorites classified as EL-melt rock.   [show all]
Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 4-7), Enstatite-rich meteorites, and Melted chondrites
Comments: Approved 29 Nov 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12962 (NWA 12962)

(Northwest Africa)

Purchased: 2019 May

Classification: Enstatite chondrite (EL melt rock)

Physical characteristics: Three gray "porous" stones lacking fusion crust

Petrography: (J. Gattacceca, CEREGE) Highly recrystallized rock. No relict chondrules were observed. Main minerals are enstatite with typical size 100 µm and plagioclase to 150 µm. Metal and sulfides (including daubréelite) are found as µm sized spherical grains. Abundant vesicles with typical size 50 µm. Abundant terrestrial weathering products.

Geochemistry: Enstatite Fs0.2±0.0Wo0.5±0.1 (n=3).

Classification: Enstatite-melt rock. Likely paired with Al Haggounia 001.

Specimens: Type specimen and a polished section at CEREGE. Main mass with Kuntz.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Zagora, Morocco
Date:P 2019 May
Mass (g):253.0
Pieces:1
Class:EL-melt rock
Weathering grade:high
Ferrosilite (mol%):0.2±0.0 (n=3)
Wollastonite (mol%):1.5±0.1
Magnetic suscept.:3.07
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):20.45
Type spec location:CEREGE
Main mass:Kuntz
Comments:work name K426; submitted by Jérôme Gattacceca
Institutions
   and collections
CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 29 Oct 2018)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7048 approved meteorites from (Northwest Africa) (plus 1998 unapproved names)

Direct link to this page