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Rabt Sbayta 006
Basic information Name: Rabt Sbayta 006
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2017
Country: Western Sahara
Mass:help 4.81 kg
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  Lunar (feldsp. breccia)
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 183 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 31 Jul 2017
Writeuphelp
Writeup from MB 106:

Rabt Sbayta 006        24.24°N, 14.75°W

Rio de Oro, Western Sahara

Find: 2016

Classification: Lunar meteorite (feldspathic breccia)

History: Found in the lunar meteorite strewnfield near Gataa Sfar in 2016. Purchased by Terry Boudreaux from a Moroccan meteorite dealer in 2017.

Physical characteristics: Four identical appearing uncrusted pieces found together. A saw cut reveals a fragmental breccia with numerous white feldspathic clasts set in a dark-gray ground mass.

Petrography: (C. Agee, UNM) This meteorite consists of primarily feldspathic clasts and shock melt with lesser amounts of fragmental pyroxene and olivine.

Geochemistry: (C. Agee and B. Ha, UNM) olivine Fa45.8±5.7, Fe/Mn=97±8, n=7; pigeonite Fs42.1±7.5Wo6.9±5.2, Fe/Mn=59±6, n=8; high Ca pyroxene Fs28.3±11.7Wo33.7±6.8, Fe/Mn=56±13, n=5; plagioclase An96.1±0.8Ab3.7±0.8Or0.2±1.0, n=6; Shock melt (20 μm defocused electron beam, proxy for bulk meteorite composition): SiO2=43.9±0.3, TiO2=0.13±0.06, Al2O3=33.2±1.9, Cr2O3=0.05±0.04, MgO=2.1±1.2, FeO=2.8±1.4, MnO=0.05±0.02, CaO=18.2±0.9, NiO=0.03±0.04, Na2O=0.39±0.03, K2O=0.03±0.01 (all wt%), n=12.

Classification: Lunar feldspathic breccia

Specimens: 21.74 g including a probe mount on deposit at UNM, Boudreaux holds the main mass.

Data from:
  MB106
  Table 0
  Line 0:
State/Prov/County:Rio de Oro
Place of purchase:Morocco
Date:2016
Latitude:24.24°N
Longitude:14.75°W
Mass (g):4810 g
Pieces:2
Class:Lunar (feldsp. breccia)
Shock stage:High
Weathering grade:Moderate
Fayalite (mol%):45.8±5.7
Ferrosilite (mol%):42.1±7.5, 28.3±11.7
Wollastonite (mol%):6.9±5.2, 33.7±6.8
Classifier:C. Agee, UNM
Type spec mass (g):21.74
Type spec location:UNM
Main mass:Terry Boudreaux
Comments:Submitted by C. Agee
Institutions
   and collections
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
Boudreaux: Terry Boudreaux, Illinois, United States (private address)
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.
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Geography:

Western Sahara
Coordinates:
     Recommended::   (24° 14' 24"N, 14° 45' 0"W)

Statistics:
     This is 1 of 37 approved meteorites from Rio de Oro, Western Sahara
     This is 1 of 210 approved meteorites from Western Sahara (plus 20 unapproved names)
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