Mud Could Have Made Meandering Rivers Long Before #Plants Arrived https://eos.org/research-spotlights/mud-could-have-made-meandering-rivers-long-before-plants-arrived

Pre-#Vegetation, Single-Thread #Rivers Sustained by Cohesive, Fine-Grained Bank #Sediments: #Mesoproterozoic Stoer Group, NW #Scotland https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023GL104379

"New evidence from 1.2-billion-year-old rocks suggests that single, sinuous channels could have formed in muddy floodplain sediments without the stabilizing help of vegetation."