Meteoritical Bulletin: Entry for Northwest Africa 15954

header

MetSoc Home Publications Contacts

Search the Meteoritical Bulletin Database
Last update: 5 Sep 2024
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 15954

Basic information

Name: Northwest Africa 15954
This is an OFFICIAL meteorite name.
Abbreviation: NWA 15954
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass: 944 g

Classification
history:

Meteoritical Bulletin:	MB 112	(2024)	Lunar (feldsp. breccia)
Recommended:			Lunar (feldsp. breccia) [explanation]

This is 1 of 343 approved meteorites classified as Lunar (feldsp. breccia). [show all]
Search for other: Lunar meteorites

Comments:

Approved 3 Sep 2023

Writeup

help

Writeup from MB 112:

Northwest Africa 15954 (NWA 15954)

(Northwest Africa)

Purchased: 2022 Oct

Classification: Lunar meteorite (feldspathic breccia)

History: Bought in 2022 from A. Mouadine in Brügg

Physical characteristics: 3 individuals without visible fusion crust weighing 565, 180, and 199 g, respectively. Brecciated interior with light clasts set into dark grey matrix.

Petrography: (M. Patzek, IfP) Feldspathic breccia composed of mineral and lithic clasts set in fine grained, partly glassy matrix. Minerals are predominantly plagioclase, olivine and pyroxenes. Accessory phases are: FeS, ilmenite, Ti-bearing chromite, and calcite.

Geochemistry: Mineral compositions and geochemistry: Olivine: Fa_37.1±16.6(range Fa_19.9-37.8) FeO/MnO=109±30 n=7; plagioclase: An_97.2±0.9(An_96.2-98.8, n=10), pyroxene: Fs_25.7±7.0En_65.7±10.6Wo_8.6±4.6range: Fs_18.8-37.3Wo_3.6-14.3, FeO/MnO=35-60, n=4

Classification: Lunar (feldsp. breccia)

Specimens: Main mass with M. Jost

Data from:
  MB112
  Table 0
  Line 0:

Place of purchase:	Brügg
Date:	P 2022 Oct
Mass (g):	944
Pieces:	3
Class:	Lunar (feldsp. breccia)
Shock stage:	high
Weathering grade:	low
Fayalite (mol%):	37.1±16.6 (19.9-37.8, n=7)
Ferrosilite (mol%):	25.7±7 (18.8-37.3, n=4)
Wollastonite (mol%):	8.6±4.6 (Wo3.6-14.3, n=4)
Classifier:	M. Patzek, K .Klemmm, IfP
Type spec mass (g):	22.35
Type spec location:	IfP
Main mass:	M.Jost
Comments:	Submitted by K. Klemm (IfP)

Institutions
and collections

IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)

Catalogs:

References:

Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Cartier C., Consolmagno G., Goodrich C., Greshake A., Gross J., Joy K. H., Miao B. and Zhang B. (2024) The Meteoritical Bulletin, no. 112. Meteoritics & Planetary Science 59, 1820–1823. ?

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

Photos:

Credit	Photos
Public domain photographs:
kerstin klemm

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

Direct link to this page