eau de source (1) sol (1) sédiment (1) arsenic (1) nickel (1) mélanger (1) aquifère (1) eaux souterraines (1) Origin (1) Groundwater (1) Water (1) Travertine (1) Spring (1) Soils (1) Rocks (1) Ophiolites (1) Nickel (1) Mixing (1) Granodiorite (1) Fluids (1) Feldspar (1) Arsenic (1) Mixing (1) Soils (1) Origin (1) jatte (1)