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Zagami Martian meteorite, Katsina State, Nigeria

Pyroxene Group
Zagami Martian meteorite, Katsina State, Nigeria

Photo: Chinellato Matteo
Martian meteorite. Fell Oct.3,1962.
Fine-grained pyroxene-rich basalt very similar to Shergotty, consisting of 75% pyroxene (pigeonite and augite) and 18 % plagioclase glass.

Shock stage of S5-S6.
Presence of shock-induced melt-veins with amorphous silicate-perovskite and amorphous silicate-titanite glasses.
Omphacite, stishovite, plagioclase and akimotoite crystallized from the melt during decompression.
(cf.Zhidong Xie et al. , Lunar and Planetary Science XXXVI (2005), 1216.pdf ).

Mineral List

Akimotoite
'Albite-Anorthite Series'
'Apatite'
'Glass'
Hematite
Magnetite
Maskelynite
Omphacite
Pyrrhotite
Seifertite
Stishovite


11 entries listed. 7 valid minerals.

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