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Wad al Fayda 001
Basic information Name: Wad al Fayda 001
     This is an OFFICIAL meteorite name.
Abbreviation: WaF 001
Observed fall: No
Year found: 2020
Country: Western Sahara
Mass:help 1463 g
Classification
  history:
Recommended:  CR2    [explanation]

This is 1 of 183 approved meteorites classified as CR2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), and CR chondrites
Comments: Approved 8 Apr 2021
Writeuphelp
Writeup from MB 110:

Wad al Fayda 001 (WaF 001)        24°41.635’N , 12°58.270’W

Rio de Oro, Western Sahara

Find: 2018

Classification: Carbonaceous chondrite (CR2)

History: Two samples that fit together were found by Lahsen Oussalah in the region between Guelta Zemour and Oum Dreyga (~72 km NE), Western Sahara, in 2018. Jean Redelsperger purchase the samples from Mohamed El Guirah in Zagora in 2020. A third sample weighing 507 g was purchased subsequent to this reporting.

Physical characteristics: Samples are dark-brown in color, irregularly shaped, and have a wind-blown exterior. Some chondrules are visible on the surface. The cut face shows abundant metal decorated chondrules in a brown, fine-grained matrix.

Petrography: Classification and description (A. Love, App) Sample shows chondritic texture composed of abundant metal-decorated chondrules with igneous rims showing average apparent diameter of 571 µm (n=156) and rare CAIs and AOAs set within a hydrated matrix with abundant framboidal magnetite. Type I chondrules are dominant. Additional minerals are: troilite, rare Ca-armalcolite, trace chromite and phosphates.

Geochemistry: (A. Love, App) Olivine (type I: Fa2.3±1.3, Cr2O3=0.5±0.2, Fe/Mn=38.3±50.0, n=20, type II: Fa19.2±10.5, Fe/Mn=60.0±27.6, n=7), low Ca pyroxene (Fs6.8±8.0Wo1.1±0.9, Fe/Mn=22.4±13.4, n=21). Matrix with low analytical totals (81.0±5.2 Wt%, n=14).

Classification: Carbonaceous chondrite (CR2). Based on presence of metal decorated chondrules, hydrated matrix with abundant framboidal magnetite and rare CAIs, this sample is a CR2.

Specimens: Jean Redelsperger holds the main masses. Two fragments weighing 21.12 g and polished mount are on deposit at App.

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:Rio de Oro
Place of purchase:Zagora
Date:2018
Latitude:24°41.635'N 
Longitude:12°58.270'W
Mass (g):1463
Pieces:3
Class:CR2
Shock stage:low
Weathering grade:low
Fayalite (mol%):6.7±9.1
Ferrosilite (mol%):6.8±8.0
Wollastonite (mol%):1.1±0.9
Magnetic suscept.:4.75
Classifier:A. Love, App
Type spec mass (g):21.12
Type spec location:App
Main mass:Jean Redelsperger
Finder:Lachen Oussalah
Comments:Submitted by Anthony Love
Institutions
   and collections
App: Department of Geology, 572 Rivers St., Appalachian State University, Boone, NC 28608, United States (institutional address; updated 7 Mar 2013)
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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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Christophe PICQ   
Public domain photographs:
Anthony Love   
Geography:

Western Sahara
Coordinates:
     Recommended::   (24° 41' 38"N, 12° 58' 16"W)

Statistics:
     This is 1 of 46 approved meteorites from Rio de Oro, Western Sahara
     This is 1 of 263 approved meteorites from Western Sahara (plus 19 unapproved names)
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