FELL LOCATION: Kenya (2016)
TYPE: Pallasite "Sericho"
SIZE: 24.3 mm • 0.96 in
Beautiful polished section of this Pallasite fell in Kenya.
Guaranteed by IMCA (International Meteorite Collectors Association) member 2973 and Geologist Juan Avilés Poblador
Physical characteristics: To date, masses ranging from 45 km long, starting several km west of Habaswein and south of Sericho in Isiolo County. The smaller pieces were found nearer to Habaswein, but still in Isiolo County. The villagers continue to find pieces, mostly on the surface. The majority of the pieces are >50 kg. The meteorites found on the surface show minimal weathering, with patches of fusion crust on the metal. Several flight-oriented specimens were found, including a 129 kg and two 16 kg stones.
Petrography: Slices from several stones show similar metal/olivine ratio, averaging near 70 areal% olivine and <1 areal % chromite. One 15 × 21 cm slice shows regions with ~95 areal% olivine. Olivine grains are largely rounded, less commonly euhedral, and gemmy green to orange. Grains are typically 0.5 to 1 cm across, though a few range up to 4 cm. One slice shows a 5-cm cruciform-shaped chromite. Metal is dominated by swathing kamacite around the olivine, with pockets of dark-etching plessite. Rare metal-rich regions show well-developed Widmanstätten pattern. Accessory troilite and schreiberstite.
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- Main Mineral/ Name Meteorite
- Sericho Pallasite Meteorite Polished Section Fell in Kenya
- Mineral Form/ Type Meteorite
- 11.8 g
- Origin (Country)