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Sayh al Uhaymir 564
Basic information Name: Sayh al Uhaymir 564
     This is an OFFICIAL meteorite name.
Abbreviation: SaU 564
Observed fall: No
Year found: 2011
Country: Oman
Mass:help 709 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  L3
Recommended:  L3    [explanation]

This is 1 of 824 approved meteorites (plus 1 unapproved name) classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 22 Oct 2015
Writeuphelp
Writeup from MB 104:

Sayh al Uhaymir 564 (SaU 564)        20.528°N, 56.681°E

Al Wusta, Oman

Find: 2011 Feb

Classification: Ordinary chondrite (L3)

History: Found by an anonymous prospector in February 2011.

Petrography: (A. Irving and S. Kuehner, UWS) Unequilibrated chondrite composed of well-formed, mostly medium-sized chondrules (0.4-1.1 mm; some up to 1.5 mm) in a brown stained matrix

Geochemistry: Olivine (Fa2.9-62.5; Cr2O3 in ferroan examples = 0.03-0.08 wt.%, mean 0.05±0.02 wt.%, N = 5), orthopyroxene (Fs0.3-3.7Wo0.4-0.1), pigeonite (Fs20.2Wo8.7), subcalcic augite (Fs9.1Wo31.8). Oxygen isotopes (K. Ziegler, UNM) Analyses of acid-washed subsamples by laser fluorination gave, respectively δ17O 3.562, 3.697; δ18O 4.751, 4.902; Δ17O 1.053, 1.109 per mil.

Classification: Ordinary chondrite (L3). Oxygen isotopes could be consistent with either an L or LL affinity, but chondrule size and magnetic susceptibility favor an L3 designation.

Specimens: Type specimen plus one polished thin section at PSF; main mass with anonymous collector.

Data from:
  MB104
  Table 0
  Line 0:
State/Prov/County:Al Wusta
Date:2011 Feb
Latitude:20.528°N
Longitude:56.681°E
Mass (g):709
Pieces:1
Class:L3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):2.9-62.5 (N=6)
Ferrosilite (mol%):0.3-3.7
Wollastonite (mol%):0.4-0.1
Magnetic suscept.:4.5
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):21.18
Type spec location:PSF
Main mass:Anonymous
Comments:Submitted by P. Sipiera
Plots: O isotopes:  
Institutions
   and collections		 PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography:

Oman
Coordinates:
     Recommended::   (20° 31' 41"N, 56° 40' 52"E)

Statistics:
     This is 1 of 1759 approved meteorites from Al Wusta, Oman (plus 75 unapproved names)
     This is 1 of 4006 approved meteorites from Oman (plus 436 unapproved names)
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