Laterally extensive sorted beds indicate that the currents responsible for sand and silt deposition must have flowed as a sheet.
(extensive sorted beds; indicate; that the currents responsible for sand and silt deposition must have flowed as a sheet) Context(extensive sorted beds indicate,List([10, 40))):(the currents responsible for sand and silt deposition; must have flowed; )
extensive sorted beds indicate,List([10, 40))
extensive sorted beds the currents responsible for sand and silt deposition
indicate must have flowed
that the currents responsible for sand and silt deposition must have flowed as a sheet