Spring in Hot Springs National Park
![Tufa forming at Hot Springs National Park](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Hot%20Springs%20nps.jpg?itok=0ElF5Kec)
Detailed Description
A spring in Hot Springs National Park, Arkansas. The gray rock is tufa - a sedimentary rock that precipitates out of mineral-rich springs.
Sources/Usage
Public Domain.
A spring in Hot Springs National Park, Arkansas. The gray rock is tufa - a sedimentary rock that precipitates out of mineral-rich springs.
Public Domain.