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.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The microscopic imager on the rover's arm revealed a distinctive triangular pattern in Block Island's surface texture, matching a pattern common in iron-nickel meteorites found on Earth.
The impact scar, located about 20 kilometers west of Winslow, Ariz., was formed nearly 50,000 years ago when an iron-nickel meteorite about 45 meters in diameter punched through the region's rocky plain.
Today when you visit Meteor Crater, you walk with one of the tour guides to view that "POW!"--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. For comparison, the legal maximum weight for an 18-wheeler in the United States is 40 tons.
A mysterious object discovered in images taken by NASA's Curiosity rover last week is an iron-nickel meteorite, the space agency (http://www.nasa.gov/feature/jpl/curiosity-mars-rover-checks-odd-looking-iron-meteorite) confirmed Thursday.
In the old days, presidential candidates came to Oregon with the same frequency as iron-nickel meteorites. We were to public--appearance places what Vermont Avenue is to Monopoly: a low-value, shoulder-shrugger that someone might pick up only if, say, Park Place wasn't available.