The bedrock of Kenai Fjords National Park was carried north by the action of the tectonic plates. It was heated and pressed into a new form. In certain places, it was also broken. The fractures in the rock filled swiftly with jets of superheated water from deep in the Earth. The water carried dissolved minerals such as iron, silica, arsenic, and gold. These precipitated out, forming white and brown streaks across the darker bedrock.
[{"rock_types": "n/a", "era_formed": "n/a"}]
[{"rock_types": "n/a", "era_formed": "n/a"}]