header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 28 Mar 2020
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 7919
Basic information Name: Northwest Africa 7919
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7919
Observed fall: No
Year found: 2012
Country: Morocco
Mass:help 43.8 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 437 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 27 Jul 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7919 (NWA 7919)

Morocco

Purchased: 2012

Classification: HED achondrite (Diogenite)

History: Purchased by Brahim Tahiri from a Moroccan hunter and sent to his partner Sean Tutorow for classification, 2012.

Physical characteristics: Single stone, partially fusion crusted, broken surface shows predominantly ~1 mm green pyroxene crystals.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows ~95% pyroxene, ~5% olivine, ubiquitous fine-grained chromite.

Geochemistry: (C. Agee and L. Burkemper, UNM) Olivine Fa26.6±0.8, Fe/Mn=42±1, n=2; low-Ca pyroxene Fs25.9±1.0Wo3.4±0.6, Fe/Mn=28±1, n=10; chromite Cr/(Cr+Al)=0.66.

Classification: HED achondrite (Diogenite)

Specimens: 8.9 g including a probe mount on deposit at UNM, Sean Tutorow holds the main mass.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2012
Mass (g):43.77
Pieces:1
Class:Diogenite
Fayalite (mol%):26.6±0.8
Ferrosilite (mol%):25.9±1.0
Wollastonite (mol%):3.4±0.6
Classifier:C. Agee, UNM
Type spec mass (g):8.9
Type spec location:UNM
Main mass:Sean Tutorow
Comments:Field name G-375; 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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1460 approved meteorites from Morocco (plus 21 unapproved names) (plus 1 impact crater)

Direct link to this page