pallasite
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A pallasite is a type of stony iron meteorite, which means it contains significant amounts of both rocky material (silicates) and nickel-iron metal. These meteorites are rare, making up about 1% of all known meteorites.12
Pallasites are characterized by a nickel-iron metal matrix enclosing crystals of the silicate mineral olivine. They likely formed at the boundary between the metallic core and silicate mantle of their parent asteroid after it melted and differentiated. This unique composition makes them visually striking, often described as having a metallic network with embedded stony parts.21
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stony iron meteorite…of stony iron, known as pallasites (formerly called lithosiderites), the nickel-iron is a coherent mass enclosing separated stony parts. The material that makes up pallasites probably formed, after melting and differentiation of their parent asteroids, at the interface between the nickel-iron metal core and the surrounding silicate mantle. The other…
Read More…of stony iron, known as pallasites (formerly called lithosiderites), the nickel-iron is a coherent mass enclosing separated stony parts. The material that makes up pallasites probably formed, after melting and differentiation of their parent asteroids, at the interface between the nickel-iron metal core and the surrounding silicate mantle. The other…
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meteoriteStony iron meteoritesThey fall into two groups: pallasites and mesosiderites. Pallasites are composed of a network of nickel-iron metal in which are set crystals of the silicate mineral olivine. Olivine crystals are typically about 0.5 cm (0.2 inch) across. The centres of large areas of metal exhibit the Widmanstätten structure. Pallasites formed…
Read MoreThey fall into two groups: pallasites and mesosiderites. Pallasites are composed of a network of nickel-iron metal in which are set crystals of the silicate mineral olivine. Olivine crystals are typically about 0.5 cm (0.2 inch) across. The centres of large areas of metal exhibit the Widmanstätten structure. Pallasites formed…
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