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  Brlgham 
  — 
  Drift 
  Bowlders 
  in 
  Central 
  New 
  York. 
  

  

  No 
  Archseans 
  appear 
  in 
  the 
  count. 
  They 
  were 
  rare 
  in 
  the 
  

   section. 
  Only 
  one 
  seen 
  attained 
  a 
  diameter 
  of 
  one 
  foot. 
  

   About 
  Norwich 
  and 
  South 
  New 
  Berlin 
  Archseans 
  even 
  of 
  one 
  

   foot 
  diameter 
  are 
  few. 
  Two, 
  measuring 
  1^ 
  and 
  2 
  feet 
  respec- 
  

   tively, 
  were 
  the 
  largest 
  seen. 
  A 
  three 
  foot 
  piece, 
  probably 
  

   Archaean, 
  was- 
  reported 
  to 
  me 
  from 
  near 
  South 
  New 
  Berlin. 
  

   This, 
  however, 
  had 
  been 
  broken 
  up 
  and 
  removed. 
  At 
  Oxford 
  

   the 
  kames 
  and 
  terraces, 
  rising 
  100 
  feet 
  from 
  the 
  valley 
  bottoms, 
  

   contain 
  the 
  usual 
  proportion 
  of 
  Archaean 
  pebbles. 
  Farther 
  up, 
  

   near 
  the 
  quarries 
  of 
  the 
  F. 
  G. 
  Clarke 
  Bluestone 
  Company, 
  

   heaps 
  and 
  walls 
  containing 
  many 
  hundred 
  cords 
  of 
  cobbles 
  

   and 
  bowlderets, 
  do 
  not 
  show 
  above 
  one-thousandth 
  part 
  of 
  

   material 
  older 
  than 
  the 
  Hamilton, 
  that 
  is, 
  of 
  fragments 
  carried 
  

   40 
  miles 
  or 
  more. 
  

  

  The 
  same 
  dearth 
  of 
  distant 
  material 
  is 
  evident 
  on 
  all 
  the 
  hill- 
  

   slopes 
  about 
  Unadilla 
  and 
  Bainbridge 
  on 
  the 
  Susquehanna, 
  and 
  

   Greene 
  on 
  the 
  Chenango. 
  At 
  the 
  last 
  named 
  place 
  1J 
  miles 
  

   of 
  fence 
  wall 
  above 
  the 
  100 
  foot 
  level, 
  were 
  observed 
  without 
  

   detecting 
  a 
  single 
  Archaean 
  fragment. 
  At 
  Binghamton, 
  

   Archaean 
  was 
  found 
  to 
  the 
  height 
  of 
  about 
  600 
  feet 
  on 
  the 
  

   slopes 
  south 
  of 
  the 
  Susquehanna, 
  but 
  no 
  pieces 
  were 
  above 
  a 
  

   few 
  inches 
  in 
  diameter. 
  

  

  These 
  facts 
  regarding 
  distribution 
  in 
  southern 
  New 
  York 
  are 
  

   fully 
  in 
  harmony 
  with 
  the 
  facts 
  reported 
  from 
  the 
  adjacent 
  

   part 
  of 
  Pennsylvania.* 
  

  

  Oneida 
  Conglomerate. 
  — 
  This 
  is 
  a 
  mass 
  30 
  to 
  40 
  feet 
  thick 
  

   in 
  the 
  hills 
  two 
  miles 
  south 
  of 
  Utica, 
  thickening 
  somewhat 
  to 
  

   the 
  westward.f 
  Some 
  layers 
  are 
  mainly 
  composed 
  of 
  rounded 
  

   quartz 
  pebbles, 
  while 
  others 
  consist 
  of 
  coarse 
  sand. 
  The 
  alti- 
  

   tude 
  of 
  the 
  ledge 
  is 
  about 
  1000 
  feet 
  near 
  Utica, 
  but 
  drops 
  

   with 
  the 
  S. 
  W. 
  dip 
  to 
  620 
  feet 
  one 
  mile 
  north 
  of 
  Clinton. 
  The 
  

   conglomerate 
  is 
  one 
  of 
  the 
  most 
  persistent 
  members 
  of 
  the 
  

   bowlder 
  drift 
  in 
  central 
  and 
  southern 
  New 
  York, 
  though 
  the 
  

   fragments 
  are 
  rarely 
  numerous, 
  or 
  large. 
  The 
  exception 
  to 
  

   the 
  latter 
  statement 
  is 
  found 
  within 
  a 
  few 
  miles 
  of 
  the 
  out- 
  

   crop, 
  as 
  on 
  the 
  northern 
  slope 
  of 
  Paris 
  Hill, 
  where 
  slabs 
  of 
  

   4 
  to 
  6 
  feet 
  in 
  length 
  and 
  breadth 
  are 
  not 
  uncommon. 
  In 
  

   southern 
  Oneida 
  and 
  Madison 
  Counties, 
  any 
  large 
  heap 
  or 
  

   wall 
  is 
  quite 
  sure 
  to 
  yield 
  small 
  samples, 
  usually 
  not 
  above 
  

   eight 
  inches 
  in 
  diameter. 
  Only 
  about 
  a 
  dozen 
  were 
  noted, 
  

   after 
  passing 
  10 
  miles 
  from 
  the 
  outcrops, 
  having 
  cubic 
  contents 
  

   of 
  more 
  than 
  one 
  foot 
  each. 
  One 
  15-inch 
  Oneida 
  was 
  found 
  

   at 
  Oxford. 
  Pebbles 
  and 
  small 
  cobbles 
  occur 
  at 
  Binghamton. 
  

   The 
  falling 
  off 
  in 
  size 
  is 
  much 
  more 
  gradual 
  than 
  in 
  the 
  case 
  of 
  

  

  *See 
  H. 
  C. 
  Lewis 
  and 
  G-. 
  F. 
  Wright, 
  2d 
  Geol. 
  Surv. 
  Pa., 
  Rep. 
  Z, 
  p. 
  13. 
  

   f 
  Reckoned 
  100 
  feet 
  thick 
  in 
  generalized 
  central 
  N» 
  Y. 
  section, 
  see 
  C. 
  S. 
  

   Prosser, 
  Bull. 
  G. 
  S. 
  A., 
  vol. 
  iv, 
  p. 
  110. 
  

  

  