NOIR, Meteorite Hunter, direct from the field, conctact
(Published under Sahara 02501)
TKW 3960 g
discovered 2002, Sahara.
Polished section 25 * 25 * 3 mm 7.32 g
Full slice 159 * 112 * 3.5 mm 155 g
:Text submitted to the Nomenclature Committee of the Meteoritical Society in march 2004.
"Workname #SWA 02007
Name proposed: Ti Hedjirine
[Discovery] One single massive (3960g) round-tetraedral shaped stone with glassy black fusion crust ( 75 % of surface), deep regmaglypts well marked on 3 faces. Overprinted doleritic texture finely and highly fractured and partly molten. Origin: Sahara, coordinates not disclosed. Found 2002.
Mode: Pyroxene 53±2; plagioclase: 46.3±1.4; silica: 4±2
Fe-rich Pyroxene average: En28 Fs57 Wo15. Compositions ranging from En25 Fs32 Wo42 to En28 Fs69 Wo3. Zoned crystals with Wo poor cores. Fine exsolution bands. FeO/MnO =32±3. low Mg# 33±4.
Plagioclase: An86 Ab12 Or2 (from An91 to An79). Plagioclase, partly recrystallised.
Silica irregularly distributed and associated with feldspathic glass.
" K-rich " feldspatic glass (1.5% K2O) up to 9% FeO. Silica glass (90% SiO2 plus a plagioclase fraction)
Specimens UPMC: 1.7+1.0+1.6 + 11.2 +9.6 g. Petrography and Mineralogy: A. Jambon, O. Boudouma, H. Chennaoui-Aoudjehane
Main mass: Caillou Noir.
Ti Hedjirine is the name given by natives to the place where this meteorite was discovered.
© Caillou Noir 2002/2006