plane bed

plane bed

[′plān ‚bed]
(geology)
A sedimentary bed without elevations or depressions larger than the maximum size of the bed material.
References in periodicals archive ?
Furthermore, current ripple cross-lamination, trough cross-stratification and planar stratification were formed by deposition associated with migrating current ripples, dunes, and upper stage plane beds, respectively (Bridge, 1993).
Planar stratification formed under conditions of relatively higher flow velocities associated with upper stage plane beds.