Meteoritical Bulletin: Entry for Northwest Africa 13701

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Northwest Africa 13701

Basic information

Name: Northwest Africa 13701
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13701
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass: 355 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	LL4-7
Recommended:			LL4-7 [explanation]

This is 1 of 8 approved meteorites classified as LL4-7. [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 20 Mar 2021

Writeup

Writeup from MB 110:

Northwest Africa 13701 (NWA 13701)

(Northwest Africa)

Find: 2019

Classification: Ordinary chondrite (LL4-7)

History: Purchased from a dealer in Morocco

Physical characteristics: Partially crusted stone. Cut surface reveals a light brown and gray interior with sparse metal grains.

Petrography: (J. Gattacceca, CEREGE) Brecciated ordinary chondrite. A few well-defined chondrules with devitrified mesostasis are visible. Some clasts (several mm in size) are higly recrystallized with triple junctions and exsolved pyroxene.

Geochemistry: Type 7 lithology Fa_30.3±0.2(n=4), orthopyroxene Fs_24.2±1.0Wo_2.2±0.4(n=4). Type 4 lithology low-Ca pyroxene Fs_22.7±1.8Wo_0.6±0.4(n=4, range Fs_20.6-25.3)

Classification: Ordinary chondrite (LL4-7)

Specimens: Type specimen at CEREGE. Main mass with Isabelle Pothier.

Data from:
  MB110
  Table 0
  Line 0:

Date:	2019
Mass (g):	355
Pieces:	1
Class:	LL4-7
Weathering grade:	W3
Fayalite (mol%):	30.3±0.2 (n=4)
Ferrosilite (mol%):	24.2±1.0 (n=4)
Wollastonite (mol%):	2.2±0.4
Magnetic suscept.:	3.82
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	26
Type spec location:	CEREGE
Main mass:	Isabelle Pothier
Finder:	anonymous
Comments:	work name CM47; 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 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

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)

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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