Fig. 1From: Upper and lower plane bed definitions revisedPhotographs showing planar lamination in sandy deposits. A Snapshot of a laboratory experiment conducted at Kyoto University. Flow is from right to left. Two types of sands (D50 = 0.12 mm and 0.53 mm) were used. B Field photograph showing a turbidite sandstone in the Aoshima Formation of the Miocene Miyazaki Group, JapanBack to article page