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Jiddat al Harasis meteorite 054 (JaH 054), Dhofar Governorate (Al Janubiyah Province), Oman

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Latitude & Longitude (WGS84): 19° 37' 49'' North , 55° 6' 55'' East
Latitude & Longitude (decimal): 19.63028,55.11528
Other regions containing this locality:Arabian Peninsula
Non-native locality type:Meteorite
Meteorite Type:Ureilite
Köppen climate type:BWh : Hot deserts climate
Other/historical region names associated with this locality:Zufar

Ureilite, primitive achondrite (olivine-pigeonite lithology)
Find, 2004; 5.08 kg, 52 pieces

52 pieces of a weathered meteorite were found in the desert, but some pieces still retained their fusion crust. The meteorite consists largely of coarse-grained metamorphosed olivine (Fo86) and pigeonite ( En83Wo5). Large silicate inclusions are found in the groundmass. Large pyroxene grains contain minor augite and feldspathic glass. Carbon-rich materials, including graphite and diamond, account for nearly 3 vol% of the meteorite. Chromite, two populations of troilite, Fe-metal, and iron oxide weatherates are also present in very minor quantities.

It has been suggested that the microdiamonds of JaH 054 were generated by pre-terrestrial shock, but that JaH 054 nanodiamonds were formed by vapor deposition (also very early during the preterrestrial epoch).

Mineral List

7 valid minerals.

Meteorite/Rock Types Recorded

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Russell, S. S. & 7 others (2005). The Meteoritical Bulletin, No. 89, 2005 September. Meteoritics & Planetary Science 40 (9,Suppl.): A201-A263. (Sept 2005).

Voropaev, S. A., Lorenz, C. A., Aronin, A. S., Filatov, E., Scripnik, A. Ja. & Shkinev, V. M. (2013) Mineralogy and In-Situ Micro-Raman Studies of Carbon Phases in Ureilite JaH 054: Lunar and Planetary Science Conference XLIV. LPI Contribution #1719: p.1140. (Mar 2013).

Grady, M. M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom.

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