header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 19 Mar 2023
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 14118
Basic information Name: Northwest Africa 14118
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14118
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 732 g
Classification
  history:
Recommended:  H4    [explanation]

This is 1 of 6407 approved meteorites (plus 2 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 24 Jul 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14118 (NWA 14118)

(Northwest Africa)

Purchased: 2019 Dec

Classification: Ordinary chondrite (H4)

History: Purchased by Jason Whitcomb in December 2019 from a dealer in Greeley, Colorado, who had obtained the material from a Moroccan source.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-formed, relatively small equilibrated chondrules are present in a relatively coarse grained, recrystallized matrix containing altered metal, chromite, troilite and chlorapatite.

Geochemistry: Olivine (Fa19.0±0.1, range Fa18.8-19.2, N = 6), low-Ca pyroxene (Fs16.6±0.1Wo1.1±0.2, range Fs16.4-16.7Wo0.6-1.3, N = 5).

Classification: Ordinary chondrite (H4).

Specimens: 22.8 g including one polished thin section at PSF; remainder with Mr. J. Whitcomb.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Greeley, CO
Date:P 2019 Dec
Mass (g):732
Pieces:1
Class:H4
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):19.0±0.1
Ferrosilite (mol%):16.6±0.1
Wollastonite (mol%):1.1±0.3
Classifier:A. Irving, UWS, and J. Boesenberg, Brown U.
Type spec mass (g):22.8
Type spec location:PSF
Main mass:J. Whitcomb
Comments:Work name JW-6; submitted by A. Irving
Institutions
   and collections		 PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
BrownU: Brown University Providence, RI 02912, United States (institutional address; updated 7 Sep 2019)
Catalogs:
References: Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9013 approved meteorites from (Northwest Africa) (plus 1869 unapproved names)

Direct link to this page