In carbonaceous meteorites: cca. 10 parts per billion (as weight) or cca. 1 part per billion (as atoms).
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Uranium can be found in small quantities in some meteorites, especially those known as carbonaceous chondrites. These meteorites are valuable for studying the early solar system and can contain various radioactive elements, including uranium, which provides insights into the age and formation of the meteorite. Scientists use uranium isotopes in meteorites to date their formation and understand processes like nucleosynthesis in the early universe.
Yes, some meteorites can contain radioactive elements, such as uranium and thorium. However, the levels of radioactivity are typically low and pose minimal risk to human health. It is still important to handle meteorites with caution and follow safe handling procedures.
Stony meteorites, iron meteorites, stony-iron meteorites.
The three main group classifications of meteorites are stony meteorites (chondrites and achondrites), iron meteorites, and stony-iron meteorites (pallasites and mesosiderites). These classifications are based on the composition and structure of the meteorite.
Iron meteorites, stony meteorites and stony-iron meteorites.
The two main types of meteorites that hit Earth are stony meteorites and iron meteorites. Stony meteorites are composed mainly of silicate minerals, while iron meteorites are composed mainly of metallic iron-nickel.