Monegros (L5) – 0.449g

71.00 

1 in stock

Description

0.449g part slice of the Monegros meteorite (Spain !). Sold in a collection box with label/certificate of authenticity.

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Monegros        41°41.976’N, 0°30.617’W

Aragon, Spain

Find: 1994

Classification: Ordinary chondrite (L5)

History: Found by Geologist Carlos Auernheimer Arguinano in the year 1994 while on a field trip through the Monegros desert in Spain. Later acquired through his son Jorge Auernheimer Chapin by Geologist Juan Aviles Poblador.

Physical characteristics: Single stone with dark-brown fusion crust.

Petrography: (D. Sheikh, FSU) Specimen is composed of chondrules (700±100 µm, n=12) set in a fine-grained matrix containing secondary recrystallized feldspar (20±5 µm), chromite, troilite, kamacite, taenite, and Fe-oxides.

Geochemistry: Olivine (Fa24.7±0.6, range Fa24.0-26.3, n=32), Low-Ca Pyroxene (Fs21.1±0.8Wo1.5±0.4, range Fs19.7-22.6Wo0.9-2.1, n=28).

Classification: Ordinary chondrite (L5).

Specimens: 16 grams at UCLA, main mass with Geologist Juan Aviles Poblador.