﻿Related 
  Sedimentary 
  Surface 
  Forms. 
  

  

  261 
  

  

  Hyde 
  's 
  definition, 
  58 
  who 
  showed 
  me 
  personally 
  two 
  very 
  

   interesting 
  occurrences 
  in 
  the 
  vicinity 
  of 
  Newark, 
  Ohio, 
  

   in 
  Quarry 
  Run, 
  south 
  of 
  Newark, 
  and 
  at 
  Toboso, 
  east 
  of 
  

   it. 
  At 
  the 
  former 
  locality, 
  the 
  broadly 
  rounded, 
  sym- 
  

   metrical 
  crests, 
  145 
  cm. 
  apart, 
  have 
  formed 
  on 
  a 
  quartz 
  

   conglomerate 
  in 
  which 
  pebbles 
  of 
  more 
  or 
  less 
  0-5 
  cm. 
  

  

  Fig. 
  12. 
  

  

  Fig. 
  12. 
  Asymmetrical 
  para-ripples 
  on 
  limestone 
  in 
  the 
  Eden 
  group, 
  

   % 
  mile 
  above 
  the 
  bridge 
  across 
  Little 
  Beech 
  Creek, 
  on 
  the 
  road 
  from 
  

   Mt. 
  Eden 
  to 
  Southville, 
  Shelby 
  Co., 
  Ky. 
  (For 
  dimensions 
  see 
  table 
  VI.) 
  

  

  diameter 
  are 
  uniformly 
  mixed 
  with 
  coarse 
  and 
  fine 
  sand 
  

   without 
  a 
  trace 
  of 
  assortment. 
  Since 
  in 
  the 
  growth 
  of 
  

   oscillation 
  ripples, 
  the 
  to 
  and 
  fro 
  motion 
  of 
  the 
  oscillating 
  

   current 
  produced 
  by 
  waves 
  on 
  the 
  bottom 
  of 
  a 
  water 
  body 
  

   involves 
  a 
  constant 
  tossing 
  of 
  the 
  grains, 
  a 
  sifting 
  and 
  

   assorting 
  of 
  the 
  grains 
  is 
  unavoidable. 
  

  

  Its 
  absence 
  in 
  the 
  large 
  ripples 
  in 
  question 
  seems 
  to 
  

   be 
  sufficient 
  proof 
  of 
  their 
  current 
  origin. 
  Besides, 
  it 
  

  

  5S 
  J. 
  E. 
  Hyde, 
  Stratigraphy 
  of 
  the 
  Waverly 
  formations 
  of 
  Central 
  and 
  

   Southern 
  Ohio, 
  Jour. 
  Geol. 
  vol. 
  23, 
  p. 
  659, 
  1915. 
  

  

  