iron meteorite


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Related to iron meteorite: stony meteorite

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 ?
During World War 1, near the Polish village of Morasko, an iron meteorite was discovered half a metre underground; the Polish government declared the region of the Morasko meteorite fall to be a natural sanctuary.
272] that the characteristic surface of iron meteorites is the result of slow atmospheric weathering, rather than the result of rapid burning during the brief flight through the earth's atmosphere.
How does an iron meteorite appear different from a stony meteorite?
SPACE OBJECT: Dr Harry Atkinson views Britain's only iron meteorite at the opening of the new information centre
More than a century after Britain's only iron meteorite plummeted into a field in Shropshire, the UK's first information centre dedicated to the study of the threat of an asteroid or comet hitting earth was launched yesterday.
Also on display was a nickel shim of his Iron Meteorite (2000) - an extremely bright surface-relief rainbow hologram with the meteorite looking so solid and tangible that at first glance one could be forgiven for thinking it a real piece of rock mounted in front of a rainbow pattern.
iron meteorite and will be mounted so that children may touch it.
But where did this great iron meteorite come from and how did it come to take it's place in the spirits and minds of the Crees and Blackfoot who revered it as `the face of a god' and guardian of the herds?
The result is that no iron meteorite from the past is ever found where the earliest civilizations flourished.
This is not the first iron meteorite to be found on Mars - a planet whose almost nonexistent atmosphere and close proximity to the asteroid belt ensures that its surface is peppered with hundreds of thousands of space rocks.
Caption: The high metal content of this iron meteorite, called Lebanon, makes it appear darker and shinier than most other Martian rocks.