Assertion: meteorite | /r/MadeOf | iron
Facets:
value: in some small amount
type: OTHER
value: usually
type: TEMPORAL
value: almost universally
type: DEGREE
Source sentences:
text: Meteorites almost universally contain iron which quickly deteriorates in the atmosphere of Earth.
text: Almost all meteorites contain extraterrestrial nickel and iron, and those that contain no iron at all are so rare that when we are asked for help and advice on identifying possible space rocks, we usually discount anything that does not contain significant amounts of metal.
text: Beyond those classifications, meteorites are also sorted as stony (made of rocky material), metallic (whether they contain iron), and mixtures (stony-irons).
text: Meteorites are often very dark, smooth rocks, usually containing iron or a combination of stone and iron.
text: Identifying meteorites : Most meteorites contain at least some nickel and iron, while many consist almost entirely of nickel-iron.
text: Nearly all meteorites contain iron and nickel.
text: Most meteorites do contain iron or nickle in some small amount, so a good metal detector can help you find them.
text: In addition to meteorites containing iron, there are man-made and naturally-occurring materials that are magnetic and are easily confused with meteorites.
text: When larger meteorites containing iron make it through the Earth's atmosphere, they can create a hypervelocity impact crater.