Radiohalo
Код 2400699
- ISBN: 978-5-5112-9391-2
Код 2400699
High Quality Content by WIKIPEDIA articles! Radiohalos or pleochroic halos are microscopic, spherical shells of discolouration within minerals such as biotite that occur in granite and other igneous rocks. The shells are zones of radiation damage caused by the inclusion of minute radioactive crystals within the host crystal structure. The inclusions are typically zircon, apatite, or titanite which can accommodate uranium or thorium within their crystal structures. (Faure 1986) The most widely...
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