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Jiddat al Harasis 054
Basic information Name: Jiddat al Harasis 054
     This is an OFFICIAL meteorite name.
Abbreviation: JaH 054
Observed fall: No
Year found: 2004
Country: Oman
Mass:help 5.08 kg
Classification
  history:
Meteoritical Bulletin:  MB 89  (2005)  Ureilite
MetBase:  v. 7.1  (2006)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 617 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Writeuphelp
Writeup from MB 89:

Jiddat al Harasis 054

Oman

Found 2004, January, 15

Achondrite (ureilite)

52 pieces of meteorite with total weight of 5079 g were found on January 2004 in the desert of Oman. Fusion crust is dark brown and partly preserved. Mineralogy and classification (C. Lorenz, Vernad; F. Brandstaetter, NHMW): The rock has medium-to coarse-grained granular metamorphic texture. Few large inclusions of silicates are presented in the groundmass. Main phases are olivine (Fo86; 0.2-0.7 wt.% Cr2O3, 0.18 wt.% CaO) and pigeonite En83Wo5 (0.9-1.2 wt.% Cr2O3). Large grains of pyroxene contain of feldspatic glass inclusions (Ab58An40) and minor augite (En59Wo31). Accessories are chromite, Fe-metal, Ni-Cr-rich troilite (3.9-6.7 wt.% Ni; 6.7-7.3 wt.% Cr) and Ni-poor troilite (0.7 wt.% Ni; 4.1 wt.% Cr). Troilite and orthopyroxene form the fine-grained intergrowth within olivine along thin fractures, filled by iron hydroxides with troilite relics. Aggregates, 100-800 m in size, composed by graphite and diamond grains, occur between silicate grains. Total amount of carbon material is 2.8 vol.%. Silicates have thin MgO-rich rims with tiny metal inclusions along the margins of graphite-diamond assemblyes. Specimens: type specimen, 640 g, one thin and two polished sections, Vernad; main mass with anonymous finder.

Data from:
  MB89
  Table 6
  Line 68:
Date:15 Jan 2004
Latitude:19° 37.82'N
Longitude:55°06.91'E
Mass (g):5079
Pieces:52
Class:Ureilite
Classifier:Lorenz C.A. Vernad
Type spec mass (g):640
Institutions
   and collections
Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia (institutional address; updated 21 Feb 2016)
Catalogs:
References: Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
METEORITICON      
Woreczko Jan & Wadi   
Geography:

Oman
Coordinates:
     Recommended::   (19° 37' 49"N, 55° 6' 55"E)

Statistics:
     This is 1 of 2168 approved meteorites from Zufar, Oman (plus 22 unapproved names)
     This is 1 of 4002 approved meteorites from Oman (plus 434 unapproved names)
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