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Sayh al Uhaymir 300
Basic information Name: Sayh al Uhaymir 300
     This is an OFFICIAL meteorite name.
Abbreviation: SaU 300
Observed fall: No
Year found: 2000
Country: Oman
Mass:help 152.6 g
Classification
  history:
Meteoritical Bulletin:  MB 91  (2007)  Lunar (feldspathic breccia)
Recommended:  Lunar    [explanation]

This is 1 of 81 approved meteorites classified as Lunar.   [show all]
Search for other: Lunar meteorites
Comments: Approved 28 Mar 2007
Writeuphelp
Writeup from MB 91:

Sayh al Uhaymir 300               21°0023.6′′N, 57°2003.9′′E

Al Wusta, Oman

Find: 21 February 2004

Achondrite (lunar feldspathic regolith)

History and physical characteristics: One gray-green individual of 152.6 g without fusion crust was discovered by Th. and P. Kurtz of Bartoschewitz natural science expedition team on a gravel plateau about 42 km SSE of Al Ghaba Resthouse (Adam County).

Petrography: (R. Bartoschewitz, Bart; P. Appel and B. Mader, Kiel; W. Hsu, PMtOb) Polymict breccias (anorthosite, troctolitic anorthosite, noritic gabbro, and anorthositic gabbro), mineral fragments (anorthite, olivine, and pyroxenes), and glass veins are set in a fine-grained matrix of anorthositic olivine-gabbro composition. Accessoric minerals are kamacite, troilite, chromite, ulvöspinel, spinel, armalcolite, and ilmenite.

Mineral compositions and geochemistry: (R. Bartoschewitz, Bart; P. Appel and B. Mader, Kiel; U. Krähenbühl, Bern; R. Niedergesaess, R. Pepelnik, and U. Reus, GKSS) Olivine (Fa26.8±5.2; mg# = 16.2–41.0), pyroxene (Fs25.6±4.7Wo11.0±5.6; mg# = 57–82), plagioclase (An95.8±0.6), metal (Ni = 39–116, Co = 11–5 [both mg/g]). Bulk Al2O3 = 20.4 wt%; FeO + MgO = 16.7 wt%; Th = 0.46; Sm = 1.1 ppm. The bulk FeO/MnO = 70.8, while the ratio in olivine and pyroxene are 83 and 49, respectively. Noble gas isotopes: (J. Park and K. Nagao, UTokE; R. Okazaki, KyuU) No solar gases, and low concentration of radiogenic isotope 4He. Magnetic susceptibility: (R. Bartoschewitz, Bart) log χ = 3.54 × 10−9 m3/kg.

Classification: Achondrite (lunar feldspathic regolith breccia).

Type specimen: A total of 20 g of sample is on deposit at Kiel. Th. and P. Kurtz hold the main mass. R. Bartoschewitz holds 5.3 g and a thin section.

Data from:
  MB91
  Table 5
  Line 246:
Date:2000 Feb 20
Latitude:21°00'23.6"N
Longitude:57°20'03.9"E
Mass (g):152.6
Pieces:1
Class:Lunar
Type spec mass (g):20
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)
GKSS: GKSS Forschungszentrum, Inst. für Küstenforschung, Max-Planck-Str., D-21502 Geesthacht, Germany (institutional address)
Kurtz: Th. and P. Kurtz, Hannover, Germany; Website (private address)
PMtOb: Purple Mountain Observatory, Nanjing, China (institutional address; updated 16 Dec 2011)
UTokE: Earthquake Research Institute, University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 11300-32, Japan (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 91, MAPS 42, 413-466 (2007)
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Rainer Bartoschewitz   
Geography:

Oman
Coordinates:
     Recommended::   (21° 0' 24"N, 57° 20' 4"E)

Statistics:
     This is 1 of 1745 approved meteorites from Al Wusta, Oman
     This is 1 of 3930 approved meteorites from Oman (plus 300 unapproved names)
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