Meteoritical Bulletin: Entry for Northwest Africa 16394

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 16394

Basic information

Name: Northwest Africa 16394
This is an OFFICIAL meteorite name.
Abbreviation: NWA 16394
Observed fall: No
Year found: 2023
Country: Morocco
Mass: 543 g

Classification
history:

Recommended:

Winonaite [explanation]

This is 1 of 90 approved meteorites classified as Winonaite. [show all]
Search for other: Primitive achondrites, Winonaites

Comments:

Approved 14 Feb 2024

Writeup

Writeup from MB 113:

Northwest Africa 16394 (NWA 16394)

Morocco

Purchased: 2023 Jun

Classification: Primitive achondrite (Winonaite)

Petrography: (J. Gattacceca, CEREGE) Recrystallized rock composed mostly of olivine and Ca-pyroxene with triple junctions, with lobate plagioclase 200 µm in size. No relict chondrule was observed. Opaque minerals are abundant kamacite and schreibersite, mostly weathered.

Geochemistry: Olivine Fa_1.2±0.1, FeO/MnO 3.4±0.4 (n=4). Orthopyroxene Fs_2.2±0.7Wo_1.0±0.1, FeO/MnO 4.4±0.9 (n=3). Ca-pyroxene Fs_1.0±0.1Wo_42.2±0.1, FeO/MnO 2.2±0.5 (n=3). Plagiocalse An_37.2Ab_62.5Or_0.3(n=2). Kamacite has less than 0.1 wt% Si.

Classification: Primitive achondrite (winonaite)

Specimens: Type specimen at CEREGE. main mass with Kuntz.

Data from:
  MB113
  Table 0
  Line 0:

Place of purchase:	Rissani, Morocco
Date:	P 2023 Jun
Mass (g):	543
Pieces:	many
Class:	Winonaite
Weathering grade:	high
Fayalite (mol%):	1.2±0.1 (n=4)
Ferrosilite (mol%):	2.2±0.7 (n=3)
Wollastonite (mol%):	1.0±0.1
Magnetic suscept.:	4.92
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	23.4
Type spec location:	CEREGE
Main mass:	Kuntz
Finder:	anonymous
Comments:	work name K571; submitted by Jerome Gattacceca

Institutions
and collections

CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 10 Jun 2023)
Kuntz: Fabien Kuntz, France; Website (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 113, in preparation (2024)

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

Geography:

Morocco

Coordinates:

Unknown.

Statistics:
This is 1 of 2163 approved meteorites from Morocco (plus 32 unapproved names) (plus 1 impact crater)

Direct link to this page