header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 26 Mar 2024
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 14713
Basic information Name: Northwest Africa 14713
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14713
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 3 kg
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  Martian (shergottite)
Recommended:  Martian (shergottite)    [explanation]

This is 1 of 319 approved meteorites (plus 2 unapproved names) classified as Martian (shergottite).   [show all]
Search for other: Martian meteorites
Comments: Approved 19 Mar 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14713 (NWA 14713)

(Northwest Africa)

Purchased: 2021

Classification: Martian meteorite (Shergottite)

History: Purchased January, 2021 by Mark Lyon from a Northwest African dealer.

Physical characteristics: Three identical appearing stones with green-black mottled exterior, saw cuts reveals a coarse cumulate interior dominated by light and dark colored crystals.

Petrography: (A. Ross, UNM; D. Dickens, NMMS; C. Agee, UNM) Examination of a polished microprobe mount and image analysis using ImageJ shows ~25% igneous-zoned olivine, ~35% igneous-zoned pyroxene and ~35% maskelynite, with opaques making up the remainder. Chromite, ilmenite, merrillite, and troilite were detected.

Geochemistry: (A. Ross, UNM) Olivine Fa35.4±2.8 Fe/Mn=49±3, n=10; Pigeonite Fs25.7±3.2Wo9.2±2.4, Fe/Mn=29±2, n=8; augite Fs16.5±1.0Wo34.6±1.3, Fe/Mn=26±3, n=3; plagioclase An54.8±1.2Ab43.9±1.2, Or 1.3±0.2, n=5.

Classification: Martian lherzolitic shergottite

Specimens: 20 g including a probe mount on deposit at UNM, Mark Lyon holds the main mass.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2021
Mass (g):3 kg
Pieces:3
Class:Martian (shergottite)
Shock stage:high
Weathering grade:low
Fayalite (mol%):35.4±2.8
Ferrosilite (mol%):25.7±3.2,16.5±1.0
Wollastonite (mol%):9.2±2.4,34.6±1.3
Classifier:C. Agee, UNM; D. Dickens, NMMS
Type spec mass (g):20 g
Type spec location:UNM
Main mass:Mark Lyon
Comments:Field Name ML-14; submitted by D. Dickens
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 Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names)
Also see:
  This lists the most popular meteorites among people who looked up this meteorite.
Revision
  history:
  This lists important revisions made to data for this record.

Direct link to this page