Meteorites are classified into three broad categories: stony, which are mostly rock; iron, which are mostly metal; and stony iron, which are a mixture of the two.
石质，其构成大部分是岩石；铁，主要由金属构成；和石质铁，即两者的混合物。
Stony iron
原声例句
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Stony-iron meteorite
Stony-iron meteorites or siderolites are meteorites that consist of nearly equal parts of meteoric iron and silicates. This distinguishes them from the stony meteorites, that are mostly silicates, and the iron meteorites, that are mostly meteoric iron.
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