Managing Mealtime Mountain when it feels like Mount McKinnely. Mantle quotes Consider every moment past thread from life frayed mantle cast. Plate tectonics may be self-driven, far-from-equilibrium system that organizes itself by dissipation entropy production in and between the plates. But you can carry on as normal while we do the work in the background. Nyiragongo lies on vast ring of volcanoes gilbert wooden mantle clocks and fissures that wrap around Uganda and the United Republic of Tanzania, and inside this ring the land is domed upward more than mile above sea level. In some places, such as Hawaii, plumes of mantle material have been slowly and steadily rising for tens of millions of years, forming chains of volcanoes see Hawaii: Formation of the Islands and Volcanoes.