Patrick Dantressangle

Yellowstone 8/98

The river of the Yellowstone grand canyon Beautiful colors Tower fall gorge

Mammoths Hot springs.Theses sources of hot water rise and disappear. The lanscape is continuously modified by them. Sometimes theses sources rise just near the building of the city. Differents ingredients combine to make the Mammoth Hot Springs terraces: heat, water,limestone, and a rock fracture system through which hot water can reach the earth's surface. The terraces need the mineral calcium carbonate to growth. Thick layers of sedimentary limestone, deposited millions of years ago by vast seas.

Water is very hot in the middle, colder on the borders.

The Morning glorie
Le castle geyser The old faithful geyser

Back to Picture Index