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Chwichiya
Basic information Name: Chwichiya
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2014
Country: Western Sahara
Mass:help 534 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  LL3
Recommended:  LL3    [explanation]

This is 1 of 313 approved meteorites classified as LL3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 17 Apr 2017
Writeuphelp
Writeup from MB 106:

Chwichiya        27°16’46.56"N, 11°50’19.02"W

Laayoune/Assaquia Al Hamra, Morocco-Western Sahara

Find: 2014 Feb 26

Classification: Ordinary chondrite (LL3)

History: Found during a meteorite search in the Chwichiya area around 120 NE of Laayoune by a group of four Moroccan hunters on February 24, 2014.

Physical characteristics: Weathered piece, without fusion crust

Petrography: Well formed chondrules up to 2 mm diameter; sparse matrix with altered metal.

Geochemistry: Fa27.92±13.2 (Fa13.41-60.83) N=10 Fe/Mn=49.94±28.69; Fs20.33±9.3(Fs3.3-33) and Wo1.8±1.1 (Wo0.2-3.4) N=8 Fe/Mn=28±11

Classification: LL3, possible sub-type 3.4.

Specimens: one piece and one thick section in FSAC

Synonym: Chwichiya 001

Data from:
  MB106
  Table 0
  Line 0:
State/Prov/County:Laayoune/Assaquia Al Hamra
Origin or pseudonym:Chwichiya
Place of purchase:Tan Tan
Date:2014 Feb 26
Latitude:27°16'46.56"N
Longitude:11°50'19.02"W
Mass (g):533.7
Pieces:1
Class:LL3
Shock stage:S2
Weathering grade:W3
Fayalite (mol%):27.9±13.2 (13.4-60.8, n=10)
Ferrosilite (mol%):20.3±9.3 (3.3-33.0, n=8)
Wollastonite (mol%):1.8±1.1 (0.2-3.4, n=8)
Magnetic suscept.:4.25
Classifier:H. Chennaoui Aoudjehane, FSAC
Type spec mass (g):22.90
Type spec location:FSAC
Main mass:Jean Redelsperger
Finder:Mohamed Ben Omar, Hamo Azeroual (Guelmim Morocco), Ibrahim Lebbihi (Foum Zguid Morocco) and Mohamed Elguirah (Tan Tan Morocco)
Comments:Submitted by H. Chennaoui Aoudjehane (FSAC)
Institutions
   and collections
FSAC: Universite Hassan II Casablanca, Faculte des Sciences Ain Chock, Departement de Géologie, BP 5366 Maârif, Casablanca, Morocco (institutional address; updated 9 Jan 2013)
Catalogs:
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
Find references in NASA ADS:
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Geography:

Western Sahara
Coordinates:
     Recommended::   (27° 16' 47"N, 11° 50' 19"W)

Statistics:
     This is 1 of 81 approved meteorites from Saguia el Hamra, Western Sahara (plus 1 unapproved name)
     This is 1 of 203 approved meteorites from Western Sahara (plus 20 unapproved names)
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Synonymshelp: Chwichiya 001 (First meteorite in DCA)

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