Explore the fascinating world of isotopes in geology through this comprehensive video lecture. Delve into the differences between stable and radiogenic isotopes, understanding their applications in igneous petrology. Learn about stable isotope fractionation and its use in temperature reconstructions and as isotope tracers. Discover the principles of radiogenic isotopes and their role in geochronology, including potassium-argon, argon-argon, and uranium-lead dating methods. Gain insights into isotope petrogenesis and how strontium, hafnium, neodymium, and lead isotopes are used to determine magma sources. Enhance your understanding of geological dating techniques and their significance in unraveling Earth's history.