soufre (1) sulfure (1) minerai (1) plomb (1) isotope (1) rétombée atmosphérique (1) datation (1) âge (1) Bodies (1) Age determination (1) Dating (1) Correspondence (1) Forms (1) Correspondence (1) Accounts (1) Andesite (1) Origin (1) Zircon (1) Veins (1) Uncertainty (1) Theater (1) Sulfur (1) Shrimps (1) Igneous rocks (1) Rocks (1) Quartz (1) Paleontology--Precambrian (1) Paleobotany--Precambrian (1) Orogeny (1) Molybdenite (1)