Meteoritical Bulletin: Entry for Northwest Africa 13835

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 13835

Basic information

Name: Northwest Africa 13835
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13835
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass: 106.2 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	Eucrite-unbr
Recommended:			Eucrite-unbr [explanation]

This is 1 of 144 approved meteorites classified as Eucrite-unbr. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Comments:

Approved 20 Mar 2021

Writeup

Writeup from MB 110:

Northwest Africa 13835 (NWA 13835)

(Northwest Africa)

Purchased: August 2020

Classification: HED achondrite (Eucrite, unbrecciated)

Petrography: (J. Gattacceca, CEREGE) Unbrecciated igneous rock with poikilitic texture (lobate plagioclase grains enclosed in pyroxene). Grain size 400 µm. Pyroxenes are exsolved at µm scale. Opaque minerals are rare troilite and metal.

Geochemistry: Low-Ca pyroxene Fs_48.4±1.4Wo_3.3±2.0, FeO/MnO = 31,7±1.7 (n=5). Ca-pyroxene exsolutions Fs_22.3Wo_41.4, FeO/MnO = 28.9 (n=2). Plagioclase An_91.7±0.4Ab_8.0±0.5Or_0.3±0.1(n=5).

Classification: Achondrite (eucrite, unbrecciated)

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

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Zagora, Morocco
Date:	P August 2020
Mass (g):	106.2
Pieces:	1
Class:	Eucrite-unbr
Fayalite (mol%):	48.4±1.4 (n=5)
Ferrosilite (mol%):	3.3±2.0
Magnetic suscept.:	2.52
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	20.01
Type spec location:	CEREGE
Main mass:	Kuntz
Finder:	anonymous
Comments:	work name K505; submitted by Jérôme 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 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 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

Direct link to this page