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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:help 355 g
Classification
  history:
Recommended:  LL4-7    [explanation]

This is 1 of 4 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
Writeuphelp
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 Fa30.3±0.2 (n=4), orthopyroxene Fs24.2±1.0Wo2.2±0.4 (n=4). Type 4 lithology low-Ca pyroxene Fs22.7±1.8Wo0.6±0.4 (n=4, range Fs20.6-25.3)

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 29 Oct 2018)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7727 approved meteorites from (Northwest Africa) (plus 1972 unapproved names)

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