âge (2) Zircon (2) Rocks (2) Geological time (2) Age (2) Age (2) roche (1) recyclage (1) étang (1) séparation des masses (physique) (1) in situ (1) rétombée atmosphérique (1) épaississement (1) ordre (1) faille (1) Parts (1) Parts (1) Volcanic ash, tuff, etc (1) Vocation (1) Units of measurement (1) Scarcity (1) Sedimentary rocks (1) Plate (1) Orogeny (1) Order (1) Ophiolites (1) Insight (1) Indexes (1) Hypothesis (1) Grain (1)