Meteoritical Bulletin: Entry for Northwest Africa 13482

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Northwest Africa 13482

Basic information

Name: Northwest Africa 13482
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13482
Observed fall: No
Year found: 2019
Country: Algeria
Mass: 311 g

Classification
history:

Meteoritical Bulletin:	MB 109	(2020)	CK5-6
Recommended:			CK5-6 [explanation]

This is 1 of 2 approved meteorites classified as CK5-6. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites

Comments:

Approved 14 Nov 2020

Writeup

help

Writeup from MB 109:

Northwest Africa 13482 (NWA 13482)

Algeria

Find: 2019 Sep

Classification: CK5-6

History: Found in Algeria close to Ouargla

Physical characteristics: Crusted stone. Cut surface reveals two fine-grained lithologies: a black one and a gray one.

Petrography: (J. Gattacceca, CEREGE) Carbonaceous with two distinct lithologies: one with a petrographic type 5, the other highly recrystallized, type 6 or possibly type 7, with no relict chondrules and triple junctions with euhedral olivine (100 µm), plagioclase (60 µm), and Cr-magnetite (20 µm). Olivine is the dominant mineral. Opaque minerals are Cr-rich magnetite and sulfides.

Geochemistry: Type 5 lithology: olivine Fa_34.1±0.5, NiO = 0.63±0.08 wt% (n=3), Ca-pyroxene Fs_16.5Wo_47.3(n=1). Type 6 lithology: olivine Fa_37.5±0.4, NiO = 0.84±0.26 (n=4), magnetite Cr₂O₃ = 6.90 wt%.

Classification: Carbonaceous chondrite (CK5-6).

Specimens: Type specimen at CEREGE. Main mass with Jérémy Bassemon.

Data from:
  MB109
  Table 0
  Line 0:

Date:	2019 Sep
Mass (g):	311
Pieces:	several
Class:	CK5-6
Weathering grade:	minimal
Magnetic suscept.:	4.48
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	23
Type spec location:	CEREGE
Main mass:	Jérémy Bassemon
Comments:	work name CM45; 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)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 109, in preparation (2020)

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Geography:

Algeria

Algeria

Coordinates:

Unknown.

Statistics:
This is 1 of 1356 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters)

Also see:

This lists the most popular meteorites among people who looked up this meteorite.

Revision
history:

This lists important revisions made to data for this record.

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