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Oum Dreyga
Basic information Name: Oum Dreyga
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: Yes
Year fell: 2003
Country: Western Sahara
Mass:help 17 kg
Classification
  history:
Meteoritical Bulletin:  MB 89  (2005)  H3-5
MetBase:  v. 7.1  (2006)  H3-5
Recommended:  H3-5    [explanation]

This is 1 of 55 approved meteorites classified as H3-5.   [show all]
Search for other: H chondrites (type 3), H chondrites, Ordinary chondrites (type 3), and Ordinary chondrites
Writeuphelp
Writeup from MB 89:

Oum Dreyga

Gour Lafkah, Western Sahara

Fell 200316 October, 02:00 UT

Ordinary chondrite (H3-5)

On 16 October 2003, Moroccan soldiers stationed in Western Sahara saw  a meteorite falling on Gour Lafkah Mountains, south of Zbayra, about 21 km from Oum Dreyga. The meteorite fell near a 670 km long wall built in 1985, protected by antipersonnel mines, and guarded by soldiers. About 17 kg were recovered. Stones from this fall were later brought to Moroccan dealers. Most of them have been collected after a rainfall and are thus slightly oxidized. However, some fragments have been picked up soon after the fall; these are very fresh. Fragments have been sold under the names Amgala and Gor Lefcah. Classification and mineralogy (M. Bourot-Denise, MNHNP): very fresh, with a black fusion crust; H3-5 breccia  (Fa16.7± 6.0; 19.5 ± 0.8; Fs14.4 ± 4.4; 17.4 ± 1.3), S4, W0. Specimens: type specimen 20 g and two polished mounts, MNHNP; one 1 kg complete stone and 30 fragments totalling 862 g with PThomas.

Data from:
  MB89
  Table 1
  Line 50:
Date:16 Oct 2003
Latitude:24°18'N
Longitude:13°6' W
Mass (g):17000
Pieces:many
Class:H3-5
Shock stage:S4
Weathering grade:W0
Ferrosilite (mol%):.
Classifier:M. Bourot-Denise, MNHNP
Type spec mass (g):20
Main mass:Thomas
Comments:See separate entry
Institutions
   and collections
MNHNP: Museum National d'Histoire Naturelle, 61 Rue Buffon, LMCM-CP52, 75005 Paris, France, France; Website (institutional address; updated 8 Nov 2012)
PThomas: Philippe Thomas, Meteoritica, La Chave, 07690 St André en Vivarais, France (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
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Geography:

Western Sahara
Coordinates:
     Recommended::   (24° 18'N, 13° 6'W)

Statistics:
     This is 1 of 20 approved meteorites from Rio de Oro, Western Sahara
     This is 1 of 143 approved meteorites from Western Sahara (plus 18 unapproved names)
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Synonyms: Amgala (MB89)
Gor Lefcah (MB89)

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