(of a meteorite) containing appreciable quantities of both rock and iron.
- ‘Chondrites are made primarily of rock and so have a lower density than stony-iron meteorites, which contain some metal.’
- ‘If sliced, the peridioles are exposed, giving the false impression of a stony-iron meteorite.’
A stony-iron meteorite.
- ‘Material like that of the stony-irons is thought to occur at the core-mantle boundary of the Earth.’
- ‘Nickle-iron can be found in many stone meteorites in the form of small flakes or in irons and in stony-irons as large chunks or as the entire mass of the meteorite.’
- ‘The crust is more prevalent on stones and stony-irons and may have partially flaked off.’
- ‘Pallasites are the most common type of stony-irons but are rare meteorites, with probably less than one percent of all meteorites being pallasites.’
- ‘Irons and stony-irons are dense, with up to equal amounts of silicates and iron, and are often irregular in shape.’
We take a look at several popular, though confusing, punctuation marks.