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Location: Gillio, Libya, TKW - 7 kg
Found: 1985
Type: Mesosiderite MES
Description from Meteoritical Bulletin 86: Two fully ablated pieces of a mesosiderite were found near the village of Gillio by unknown oil exploration workers and put into service as bookend for 13 years. Purchased in 1998 by an anonymous dealer. Reports of a strewn field are presently unconfirmed. Classification and mineralogy (T. Bunch and J. Wittke, NAU): type 2A; contains scarce, metal nodules up to 19 mm in diameter; Mg-rich pyroxene overgrowths on Ca-pyroxene clasts; moderate resorption of plagioclase. Orthopyroxene (Fs33 Wo42); plagioclase (An92)); pyrrhotite, chromite (Al2O3 = 8.4 st%); Kamacite, 5.8 wt% Ni; rare taenite (42 wt% Ni), silica and phosphate. Shock stage, S1; weathering grade W0.
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