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Sayh al Uhaymir 290
Basic information Name: Sayh al Uhaymir 290
     This is an OFFICIAL meteorite name.
Abbreviation: SaU 290
Observed fall: No
Year found: 2004
Country: Oman
Mass:help 1796 g
Classification
  history:
Meteoritical Bulletin:  MB 92  (2007)  CH3
Recommended:  CH3    [explanation]

This is 1 of 22 approved meteorites classified as CH3.   [show all]
Search for other: Carbonaceous chondrites (type 3), CH-CB family, CH chondrites, Metal-rich meteorites, and Carbonaceous chondrites
Comments: Approved 13 Jul 2005
Revised 25 Jul 2007: Changed from MB90 to 92
Writeuphelp
Writeup from MB 92:
 

Sayh al Uhaymir 290                     21°04'31.6" N, 57°08'49.3" E

Oman, Al Wusta

Found 2004 Feb. 13th and Nov. 6th

Carbonaceous chondrite (CH3)

History: Sixty-four fragments were discovered within a distance of ~ 10 m by Rainer and Claudia Bartoschewitz during a natural science expedition on a gravel plateau of Miocene fresh-water limestone of Middle Fars group about 35 km SSW of Ghaba Resthouse (Adam County).

Physical characteristics:  Sixty-four fragments weighing between 0.2 to 888 g amount to a total of 1.796 kg.

Petrography:  The meteorite is mostly composed of small chondrules (<20 μm) of various textural types, ~15% fine grained metal, few small "matrix lumps" and rare refractory inclusions.

Mineral composition and geochemistry: (R. Bartoschewitz, Bart., P. Appel and B. Mader, Kiel, M.I. Prudêncio, ITN,  U. Krähenbühl, Bern) Pyroxene (Fs3.99-5.16Wo3.01-1.80, Al2O3 = 1.90, Cr2O3 = 0.62 [wt%]), Ti-rich pyroxene (Fs2.88 Wo19.66, Al2O3 = 10.40, Cr2O3 = 1.27 [wt%]), olivine (Fa1.88-0.83, CaO = 0.43 - 0.27, Al2O3 = 0.27, Cr2O3 = 0.47 [all wt%]), sulfide (Ni = 0.4-21.7 wt%), kamacite (Ni = 3.7-8.0, Co = 0.35-0.56, Si = 0.02-0.15, Cr = 0.08-0.40 [all wt%]), tetrataenite (Ni = 59.2, Co = 1.45 [wt%]). Whole rock siderophile, chalcophile and lithophile element abundances similar to other CHs. Magnetic susceptibility = log χ = 5.2 x 10-9 m3/kg. Noble gas isotopes (J. Park and K. Nagao, UTokE, Japan, R. Okazaki, KyuU) high concentrations of solar noble gases. O isotopes (M. Kusakabe, OkaU) δ17O = 1.91‰, δ18O = 5.71‰.

Classification:  Carbonaceous chondrite (CH3) moderate weathering.

Type specimens: A total of 20.1 g are on deposit at UTokE. Bart holds 1500 g and one thin section.

Data from:
  MB92
  Table 6
  Line 8:
State/Prov/County:Al Wusta, Oman
Date:13-Feb-2004
Latitude:21°04'31.6"N
Longitude:57°08'49.3"E
Mass (g):1796
Pieces:64
Class:CH3
Type spec mass (g):20.1
Plots: O isotopes:  
Institutions
   and collections
Kiel: Geologisches und Mineralogisches Museum, Institut für Geowissenschaften, Christian-Albrechts-Universität Kiel, Ludewig-Mayn-Str. 10, D-24118 Kiel, Germany, Germany (institutional address; updated 13 Sep 2013)
KyuU: Department of Earth and Planetary Science, Kyushu University Hakozaki, Higashi-ku, Fukuoka-shi 812- 8581, Japan (institutional address)
Bart: Bartoschewitz Meteorite Laboratory, Lehmweg 53, D-38518 Gifhorn, Germany; Website (private address; updated 4 Aug 2013)
Bern: University of Bern, University of Bern, Hochschulstrasse 4, CH-3012 Bern, Switzerland (institutional address)
ITN: Instituto Tecnológico e Nuclear, Estrada Nacional 10, 2686-953 Sacavém, Portugal (institutional address)
OkaU: Institute for Study of the Earth's Interior, Okayama University, Misasa Tottori 682-0193, Japan (institutional address)
UTokE: Earthquake Research Institute, University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 11300-32, Japan (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007)
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Dirk Hohmann   
Fabien Kuntz   
Gerald Armstrong   
Jay Piatek   
John Creech, Victoria University of Wellington   
METEORITES AUSTRALIA   
METEORITICON            
Volker Heinrich   
Geography:

Oman
Coordinates:
     Recommended::   (21° 4' 32"N, 57° 8' 49"E)

Statistics:
     This is 1 of 1483 approved meteorites from Al Wusta, Oman (plus 1 unapproved name)
     This is 1 of 3370 approved meteorites from Oman (plus 403 unapproved names)
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