Pitchblende (uraninite): a uranium-rich radioactive mineral Pitchblende Pitchblende, also called uraninite, is a dense black uranium ore. This article describes its composition, physical traits, history, uses (including uranium fuel and dating) and saf…
Radiometric dating Techniques that determine the age of materials by measuring radioactive isotopes and their decay products. Widely used in geology, archaeology and planetary science.