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Sayh al Uhaymir 562
Basic information Name: Sayh al Uhaymir 562
     This is an OFFICIAL meteorite name.
Abbreviation: SaU 562
Observed fall: No
Year found: 2008
Country: Oman
Mass:help 772 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Eucrite-unbr
Recommended:  Eucrite-unbr    [explanation]

This is 1 of 136 approved meteorites classified as Eucrite-unbr.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 27 Jul 2013
Writeuphelp
Writeup from MB 102:

Sayh al Uhaymir 562 (SaU 562)        20°59’30.02"N, 57°11’48.33"E

Al Wusta, Oman

Found: 17 Apr 2008

Classification: HED achondrite (Eucrite, unbrecciated)

Physical characteristics: (L Garvie, ASU) Single stone. Lacks fusion crust. Sawn surface shows medium-grained mosaic of approximately equal proportions of anhedral to bladed, white plagioclase (to 3 mm) and honey-brown, anhedral, granular pyroxene (to 1.5 mm) crystals.

Petrography: (Andrew Foreman, Ryan Zeigler, WUSL) The meteorite consists of feldspar and exsolved pyroxene phenocrysts. Very minor olivine present. Accessories include silica, chromite, and ilmenite. Troilite blebs fill some annealed shock fractures within plagioclase. Pigeonite is the original igneous pyroxene, which has subsequently exsolved augite, with parallel exsolution lamellae ranging from very fine (sub-μm to 2 μm width) to coarse (5 μm). Plagioclase 0.5 to 3 mm, and pyroxene 0.5 to 1.5 mm.

Geochemistry: (Andrew Foreman, Ryan Zeigler, WUSL) Feldspar An87.3-88.9Ab10.6-12.2; augite Fs47.6-35.5Wo22.5-32.3, Fe/Mn=27.8-35.6; pigeonite Fs62.7-51.3Wo4.6-14.6, Fe/Mn=25.7-33.5; olivine Fa75.7, Fe/Mn=51.5. INAA of an 84-mg sample gives 20.8% FeO, Sc 25 ppm, Co 4.4 ppm, La 0.87 ppm, Sm 0.93 ppm, Eu 0.54 ppm, and Yb 1.6 ppm. Sr 130±30 ppm, which is very low for a meteorite from Oman.

Specimens: 20.1 g ASU

Data from:
  MB102
  Table 0
  Line 0:
State/Prov/County:Al Wusta
Origin or pseudonym:desert
Date:17 Apr 2008
Latitude:20°59'30.02"N
Longitude:57°11'48.33"E
Mass (g):772
Pieces:1
Class:Eucrite-unbr
Weathering grade:low
Classifier:Andrew Foreman, Ryan Zeigler, WUSL
Type spec mass (g):20.1
Type spec location:ASU
Main mass:Labenne
Finder:Mr. Jim Labenne
Comments:Submitted by L Garvie
Institutions
   and collections		 ASU: Center for Meteorite Studies, Arizona State University, Tempe, Arizona 85287-1404, United States; Website (institutional address; updated 14 Jan 2012)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Photos:
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    (Caution, these are of unknown reliability)
John Lutzon         
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Geography:

Oman
Coordinates:
     Recommended::   (20° 59' 30"N, 57° 11' 48"E)

Statistics:
     This is 1 of 1753 approved meteorites from Al Wusta, Oman (plus 81 unapproved names)
     This is 1 of 3998 approved meteorites from Oman (plus 441 unapproved names)
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