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Sayh al Uhaymir 188
Basic information Name: Sayh al Uhaymir 188
     This is an OFFICIAL meteorite name.
Abbreviation: SaU 188
Observed fall: No
Year found: 2002
Country: Oman
Mass:help 127.9 g
Classification
  history:
Meteoritical Bulletin:  MB 88  (2004)  EL4
MetBase:  v. 7.1  (2006)  EL4
Recommended:  EL4    [explanation]

This is 1 of 17 approved meteorites classified as EL4.   [show all]
Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 4-7), and Enstatite-rich meteorites
Writeuphelp
Writeup from MB 88:

Sayh al Uhaymir 188

Oman

Found 2002, January 16

Enstatite chondrite (EL4)

Complete stone weighing 127.915 g. Collecting, classification and mineralogy (E. Gnos, UBE; B. Hofmann, NMBE; A. Al-Kathiri, UBE): Enstatite range is Fs0.5-4.4Wo0.2-0.8. The average chondrule size is 0.65 mm, bulk iron content is 21.7 wt% (ICP-OES, U. Krähenbühl (calculated from point-counting under reintegration of hydroxides), Fe/Si (molar) ca. 0.52.  Weathering grade W1-W3 (W3 in rim region and along calcite veins), shock stage S2. Red and blue cathodoluminescence colors confirm metamorphic grade 4. Oxygen isotope composition (I.A. Franchi and R.C. Greenwood, Open University; average of 2 analyses) are δ17O = +3.213‰, δ18O = +5.990‰,, and Δ17O = +0.098‰.

Data from:
  MB88
  Table 5
  Line 373:
Date:16 Jan 2002
Latitude:20°35.262'N
Longitude:57°5.851'E
Mass (g):127.92
Pieces:1
Class:EL4
Shock stage:S2
Weathering grade:W1-3
Fayalite (mol%):26.8
Ferrosilite (mol%):0.5-4.4
Wollastonite (mol%):0.2-0.8
Classifier:E. Gnos, B. Hofmann and A. Al-Kathiri, NMB; analyst: E. Gnos and A. Al-Kathiri, NMB
Type spec location:NHB
Finder:E. Gnos, B. Hofmann and A. Al-Kathiri, NMB
Plots: O isotopes:  
Institutions
   and collections
NMBE: Natural History Museum Bern Bernastrasse 15 CH-3005 Bern Switzerland, Switzerland; Website (institutional address; updated 2 Mar 2012)
NHB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
NMB: Natural History Museum Bern Bernastrasse 15 CH-3005 Bern Switzerland, Switzerland; Website (institutional address; updated 2 Mar 2012)
UBE: University of Bern, University of Bern, Hochschulstrasse 4, CH-3012 Bern, Switzerland (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
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Geography:

Oman
Coordinates:
     Recommended::   (20° 35' 16"N, 57° 5' 51"E)

Statistics:
     This is 1 of 1751 approved meteorites from Al Wusta, Oman (plus 67 unapproved names)
     This is 1 of 3947 approved meteorites from Oman (plus 366 unapproved names)
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