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.
The Company has planned four more vertical holes of at least 3000 feet deep to determine whether the anomalies are caused by the remnant of a iron-nickel meteorite or the presence of Sudbury or Voisey-Bay type intrusions or sills.