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Oum Dreyga meteorite, Dakhla-Oued Ed-Dahab Region, Moroccoi
Regional Level Types
Oum Dreyga meteoriteMeteorite Fall Location
Dakhla-Oued Ed-Dahab RegionRegion
MoroccoCountry

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08413350017272334609967.jpg
H3-5 chondrite meteorite

Oum Dreyga meteorite, Dakhla-Oued Ed-Dahab Region, Morocco
08413350017272334609967.jpg
H3-5 chondrite meteorite

Oum Dreyga meteorite, Dakhla-Oued Ed-Dahab Region, Morocco
08413350017272334609967.jpg
H3-5 chondrite meteorite

Oum Dreyga meteorite, Dakhla-Oued Ed-Dahab Region, Morocco
Latitude & Longitude (WGS84):
24° 18' 0'' North , 13° 5' 59'' West
Latitude & Longitude (decimal):
24.30000,-13.10000
GeoHash:
G#: esqdjzsvg
GRN:
N17W09
Type:
Meteorite Fall Location
Meteorite Class:
H3-5 chondrite meteorite
Meteoritical Society Class:
H3-5
Metbull:
View entry in Meteoritical Bulletin Database
Köppen climate type:
BWh : Hot deserts climate
Mindat Locality ID:
266910
Long-form identifier:
mindat:1:2:266910:9
GUID (UUID V4):
0


Ordinary chondrite, unequilibrated (H3-5; S4: W0/1)
Fall, 16 October 2003; 17 kg, many stones.

A meteorite fell ~21 km from Oum Dreyga near a long wall guarded by soldiers in the Gour Lafkah Mountains. A number of fresh pieces were picked up soon afterward, but other somewhat weathered pieces were only collected after rainfall had occurred. Moderately tannish and very light-colored chondrules and fragments are conspicuous on freshly broken surfaces. Both the olivine (Fa16.7± 6.0) and two populations of Ca-poor pyroxene (Fs14.4 ± 4.4; 17.4 ± 1.3) are quite variable in composition. Oum Dreyga has, until now at least, received little attention in the scientific literature.

Oum Dreyga is one of 44 witnessed unequilibrated ordinary chondrite falls and is the most massive of 5 unequilibrated falls classified exactly as 'H3-5' ordinary chondrites. Luponnas fell in 1753, but all the other H3-5 falls — Didim, Fermo, Magombedze, and Oum Dreyga — have been recovered since 1990. The more recent individual meteorites have been described with varying degrees of attention in the scientific literature while fragments of some of them have been advertised on the open market.

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ⓘ'Fayalite-Forsterite Series'-
ⓘ'Pyroxene Group'-ADSi2O6

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References

(n.d.) Meteoritical Bulletin Database. The International Society for Meteoritics and Planetary Science.
www.lpi.usra.edu (n.d.) https://www.lpi.usra.edu/meteor/metbull.php?code=31282
www.lpi.usra.edu (n.d.) http://www.lpi.usra.edu/meteor/get_original_photo.php?recno=5632745
articles.adsabs.harvard.edu (n.d.) http://articles.adsabs.harvard.edu/full/2014pim3.conf.196I
www.lpi.usra.edu (n.d.) http://www.lpi.usra.edu/meteor/get_original_photo.php?recno=5652863
meteoritegallery.com (n.d.) http://meteoritegallery.com/oum-dreyga-h3-5/
www.meteorites.com.au (n.d.) http://www.meteorites.com.au/favourite/september2005.html
Russell, S.S., Zolensky, M., Righter, K., Folco, L., Jones, R., Connolly, H.C. Jnr., Grossman, J.N. (2005) The Meteoritical Bulletin, No. 89, 2005 September. Meteoritics & Planetary Science, 40(9) (Suppl.), A201-A263.
Ibhi, A. (2014) Meteors and meteorite falls in Morocco. Proceedings of the International Meteor Conference, Poznan, Poland (Editors: Gyssens, M., Roggemans, P., Zoladek, P.) International Meteor Organization, 196-199 (Jan 2014).
Grady, M. M., Pratesi, G., Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press.
www.meteorite-recon.com (2020) https://www.meteorite-recon.com/portfolio_page/oum-dreyga
commons.wikimedia.org (n.d.) https://commons.wikimedia.org/wiki/File:Oum_Dreyga_meteorite.jpg
steemit.com (n.d.) https://steemit.com/meteorite/@galacticstone/this-is-what-a-fresh-meteorite-looks-like-an-authentic-rock-from-space
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