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Jdiriya 005
Basic information Name: Jdiriya 005
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2021
Country: Western Sahara
Mass:help 35.6 g
Classification
  history:
Recommended:  Aubrite    [explanation]

This is 1 of 76 approved meteorites classified as Aubrite.   [show all]
Search for other: Achondrites, Aubrites, Enstatite achondrites, and Enstatite-rich meteorites
Comments: Approved 6 Aug 2022
Writeuphelp
Writeup from MB 111:

Jdiriya 005        27°33’23.45"N, 10°31’29.87"W

Saguia el Hamra, Western Sahara

Find: 2018

Classification: Enstatite achondrite (Aubrite)

History: Found by Brahim Ikken in 2018. Bought By Jean Redelsperger from Mohamed Elguirah in 2021.

Physical characteristics: Several irregular dark pieces.

Petrography: (J. Gattacceca, B. Devouard, CEREGE) Coarse-grained unbrecciated rock with granular texture made up primarily of enstatite (61 vol%) with typical grain size 5mm. No relict chondrules are observed. Other silicates are sodic plagioclase (3.6 vol%) with typical gain size 700 μm, and Si-rich glass. Opaque minerals (35 vol%), under the form of mm sized rounded grains, are all weathered except Zn-rich daubreelite that makes up 0.2 vol% of the meteorite.

Geochemistry: Enstatite Fs0.3±0.2Wo0.6±0.1, CaO 0.33±0.06 (n=6). Plagioclase An6.7±0.1Ab89.7±0.1Or3.6±0.1 (n=3). Daubréelite contains up to 6 wt% Zn.

Classification: Aubrite.

Specimens: Type specimen at CEREGE. Main mass with Jean Redelsperger.

Data from:
  MB111
  Table 0
  Line 0:
State/Prov/County:Saguia el Hamra
Place of purchase:Morocco
Date:2018
Latitude:27°33'23.45"N
Longitude:10°31'29.87"W
Mass (g):35.6
Pieces:several
Class:Aubrite
Weathering grade:high
Ferrosilite (mol%):0.3±0.2 (n=6)
Wollastonite (mol%):0.6±0.1
Magnetic suscept.:4.22
Classifier:J. Gattacceca, B. Devouard, CEREGE
Type spec mass (g):7.2
Type spec location:CEREGE
Main mass:Jean Redelsperger
Finder:Brahim Ikken
Comments:work name JR110; 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. 111, in preparation (2022)
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Photos:
CreditPhotos
Public domain photographs:
Jerome Gattacceca   
Geography:

Western Sahara
Coordinates:
     Recommended::   (27° 33' 23"N, 10° 31' 30"W)

Statistics:
     This is 1 of 105 approved meteorites from Saguia el Hamra, Western Sahara
     This is 1 of 259 approved meteorites from Western Sahara (plus 20 unapproved names)
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