pell-mell structure

A sedimentary structure characterized by absence of bedding in a coarse deposit of waterworn material; it may occur where deposition is too rapid for sorting or where slumping has destroyed the layered arrangement.

Related terms:

• Sedimentary Structure
• primary sedimentary structure
• sealing-wax structure
• flaser structure
• slump structure
• directional structure
• imbricate structure
• pillow structure
• Mineral Structure
• flow structure