As this small channel of lava flows into a depression, its semi-con...
![As this small channel of lava flows into a depression, its semi-con...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/vhp_img4443.jpg?itok=Z7rBCMr6)
Detailed Description
As this small channel of lava flows into a depression, its semi-congealed surface twists and wrinkles—forming the ropy surface commonly seen on pāhoehoe flows. Flows on the pali are visible in the background.