Ripple marks. Pen points in flow direction. Taken from side. Near pen: straight-crested; farther away: sinuous; with crest interference.
DC2016_016_046_Cox46
November 8, 2022
November 8, 2022
Ripple marks. Pen points in flow direction. Taken from side. Near pen: straight-crested; farther away: sinuous; with crest interference.