Rootless Shield -- Lava Flow
![Image: Rootless Shield -- Lava Flow](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/20100701_4344_zhirji.jpg?itok=y8P0BiW4)
Detailed Description
Rootless shields grow both in breadth and height through the accumulation of repeated overflows from the summits of the shields. In this photo, a stream of lava is flowing southward down the flank of this emergent shield.
Sources/Usage
Public Domain.