Introduction to Non-Conventional Light Stable Isotope Geochemistry

Geochemical processes leave subtle molecular fingerprints across our oceans, atmosphere, and rocks. Understanding non-conventional light stable isotopes—such as lithium, boron, magnesium, and calcium—unlocks critical insights into Earth's history, ancient climates, and planetary evolution. This text-only course provides a clear pathway from foundational chemical principles to interpreting modern geochemical data. You will develop the skills to read, analyze, and evaluate primary geochemical research with confidence. What you'll learn: - Understand the fundamental physical chemistry of stable isotope fractionation and mass-dependence. - Analyze non-conventional light isotope systems including lithium, boron, magnesium, and calcium. - Explore modern analytical frameworks including multi-collector mass spectrometry concepts. - Evaluate isotopic datasets from marine, terrestrial, and planetary environments. - Apply isotopic models to reconstruct ancient weathering rates, ocean chemistry, and climate trends. - Examine emerging frontiers in geochemistry, such as triple oxygen isotope systematics. Your learning journey begins with essential terminology, basic thermodynamic principles, and isotopic notation. From there, you will systematically explore individual elemental systems, examining how researchers use these tools to solve complex geological and environmental puzzles. This course is designed for students, educators, and science enthusiasts with a basic background in chemistry who want to understand modern geochemical research without needing complex laboratory access. Start exploring the isotopic history of our planet today.