étable (1) spectacle (1) sédiment (1) élimination (1) océan (1) traceur (1) lumière (1) lac (1) isotope (1) histoire (1) chrome (1) History (1) Composition (1) Weathering (1) Stable isotopes (1) Records (1) Proxy (1) Ocean (1) Light (1) History (1) Driving of horse-drawn vehicles (1) Cycling (1) Chromium (1) Average (1) Continental crust (1)