iron meteorite

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iron meteorite

(iron) One of the main classifications of meteorites, containing nickel-iron alloys with small amounts of accessory minerals. The composition averages 90% iron, 10% nickel. The three main subdivisions are octahedrites, which have more than 6% nickel, the less common hexahedrites, with less than 6% nickel, and the nickel-rich ataxites. See also Widmanstätten figures.

iron meteorite

[′ī·ərn ′mēd·ē·ə‚rīt]
(astronomy)
A type of meteorite that consists mainly of iron and nickel and is several times heavier than any ordinary rock.
References in periodicals archive ?
Opportunity found a smaller iron-nickel meteorite, called "Heat Shield Rock," in late 2004.
the result of more than 300,000 tons of iron-nickel meteorite, its likely origin the asteroid belt between Jupiter and Mars, smashing into Arizona at more than 40,000 miles per hour.
A team in Argentina has excavated a monster: a 30-ton chunk of iron-nickel meteorite.
Floriana Salvemini and Ulf Garbe, Dingo instrument scientists, collaborated on a study of iron-nickel meteorites with co-investigators in Italy and Switzerland that has been published in a special issue of the journal Minerals, Meteorites and Cosmic Mineralogy.
In the old days, presidential candidates came to Oregon with the same frequency as iron-nickel meteorites.