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Meteoritenfall in Diplo, Sindh Provinz, Tharparkar, Pakistan am 4./5.5.2012 ?

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karmaka:
Nun ist er als LADKEE auch 'official' im metbull:

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--- Zitat ---Ladkee        24°22’40"N, 69°40’50"E

Sind, Pakistan

Fell: 4 May 2012

Classification: Ordinary chondrite (H6)

History: According to Ghulam Mustafa Laghari (SUPARCO), on May 4, 2012 around 10:30 pm local time (5:30 pm UTC), many people in the Tharpakar district, Sindh province of Pakistan, observed a fireball that disintegrated into many pieces. Some of the villagers in the town of Ladkee were sitting outside the Government Primary School and heard the sound of an object falling to the ground in the school’s backyard, but because of darkness they were unable to find it immediately. The next morning they went to the school’s backyard and found a 69 g black stone in a small crater of sand.

Physical characteristics: Single, complete, fresh black fusion-crusted stone. Broken surface reveals a fine mix of light gray, light brown, and metallic grains.

Petrography: (C. Agee, UNM) Microprobe examination shows a texturally equilibrated chondrite with a few indistinct chondrules, plagioclase up to 100 μm, abundant kamacite.

Geochemistry: (C. Agee,UNM) Olivine Fa18.8±0.3, Fe/Mn= 38±1, n=3; low-Ca pyroxene Fs16.8±0.1Wo1.5±0.2, Fe/Mn= 22±1, n=3.

Classification: Ordinary chondrite (H6), weathering grade (W0).

Specimens: 14 g including a microprobe mount on deposit UNM, main mass is held by Pakistan Space and Upper Atmosphere Research Commission (SUPARCO).
--- Ende Zitat ---


 :hut:

Martin

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