stony meteorite

views updated May 08 2018

stony meteorite (asiderite) Meteorite type consisting mainly of rock-forming silicates (olivine, pyroxene, and plagioclase) with some nickel-iron; more than 90% of meteorites seen to fall are of this type. Stony meteorites are referred to as chondrites or achondrites, depending on the presence or absence of chondrules.

A Dictionary of Earth Sciences AILSA ALLABY and MICHAEL ALLABY

stony-iron meteorite

views updated May 08 2018

stony-iron meteorite (siderolite) Relatively rare meteorite type with approximately equal quantities of nickel-iron and basic silicates, usually pyroxene and olivine.

A Dictionary of Earth Sciences AILSA ALLABY and MICHAEL ALLABY

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stony meteorite

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