Meteoritical Bulletin: Entry for Northwest Africa 14116

MetSoc Home Publications Contacts

Search the Meteoritical Bulletin Database
Last update: 18 May 2022
Search for:	Search type:	Search limits:	Display:	Publication:
Names Text Places Classes Years	Contains Starts with Exact Sounds like	NonAntarctic Falls Non-NWAs Has strewnfield		What's new in the last:
Include past classifications in search		Has photo	Limit to approved meteorite names
Search text:

Northwest Africa 14116

Basic information

Name: Northwest Africa 14116
This is an OFFICIAL meteorite name.
Abbreviation: NWA 14116
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass: 234 g

Classification
history:

Recommended:

L3 [explanation]

This is 1 of 783 approved meteorites (plus 1 unapproved name) classified as L3. [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 31 Oct 2021

Writeup

Writeup from MB 110:

Northwest Africa 14116 (NWA 14116)

(Northwest Africa)

Purchased: 2019 Dec

Classification: Ordinary chondrite (L3)

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, somewhat unequilibrated chondrules (some containing devitrified glass) are present in a recrystallized matrix containing altered metal, chromite, troilite and chlorapatite.

Geochemistry: Olivine (Fa_26.3±2.1, range Fa_24.5-29.6, Cr₂O₃ <0.06 wt.%, N = 5), low-Ca pyroxene (Fs_22.3±1.7Wo_1.7±1.4, range Fs_21.2-25.5Wo_0.4-4.2, N = 4), augite (Fs_9.2Wo_40.7).

Classification: Ordinary chondrite (L3). L group based on magnetic susceptibility.

Specimens: 25.6 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):	234
Pieces:	1
Class:	L3
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	26.3±2.1
Ferrosilite (mol%):	22.3±1.7
Wollastonite (mol%):	1.7±1.4
Magnetic suscept.:	4.54
Classifier:	A. Irving, UWS, and J. Boesenberg, Brown U.
Type spec mass (g):	25.6
Type spec location:	PSF
Main mass:	J. Whitcomb
Comments:	Work name JW-2; 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 Meteoritical Bulletin, no. 110, in preparation (2021)

Find references in NASA ADS:
Find references in Google Scholar:

Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Jason Whitcomb

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 8402 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

Direct link to this page