Mammoth Hot Springs Terraces
active at least since 1871. The formation is estimated to be about 2500 years old. Travertine may have sealed the small orifice at the top or, when the cone …
Tag: minerva terrace
Geology at Terrace Spring
The water at the north end of Terrace Spring appears to be boiling but has been measured at only 141°F (61°C). The bubbling is due to carbon dioxide gas …