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siderolite

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sid·er·o·lite  (sdr--lt)
n.
A meteorite composed of a mixed mass of iron and stone.

siderolite [ˈsaɪdərəˌlaɪt]
n
(Astronomy) a meteorite consisting of a mixture of iron, nickel, and such ferromagnesian minerals as olivine and pyroxene


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The iridium anomaly seems to be related to a large quantity of siderolite material most likely from a 10-km asteroid that struck Earth 65 million years ago.
 
 
 
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