﻿CLASSIFICATION, 
  ETC. 
  OF 
  HAMILTON 
  AND 
  CHEMUNG 
  SERIES 
  181 
  

  

  ever, 
  or 
  840 
  feet 
  above 
  the 
  Schoharie 
  river 
  and 
  probably 
  across 
  

   the 
  township 
  line 
  in 
  Gilboa, 
  perhaps 
  three 
  miles 
  from 
  Breaka- 
  

   been, 
  are 
  fossiliferous 
  rocks 
  (M 
  6 
  ). 
  At 
  the 
  base 
  of 
  the 
  outcrop 
  is 
  

   just 
  a 
  little 
  greenish, 
  argillaceous 
  shale, 
  while 
  above 
  are 
  bluish 
  

   gray, 
  thin 
  sandstones 
  and 
  shales 
  containing 
  some 
  fossils. 
  Speci- 
  

   mens 
  of 
  Tropidoleptus 
  carinatus 
  (Con.) 
  Hall 
  are 
  common, 
  and 
  

   Spirifer 
  mucronatus 
  (Con.) 
  Bill, 
  occurs 
  less 
  frequently. 
  Above 
  

   this 
  fossiliferous 
  zone 
  there 
  is 
  another 
  long 
  drift 
  covered 
  slope, 
  

   but 
  410 
  feet 
  higher, 
  near 
  the 
  turn 
  toward 
  North 
  Blenheim, 
  red 
  

   argillaceous 
  shales 
  outcrop 
  on 
  the 
  highway. 
  This 
  section 
  may 
  

   be 
  tabulated 
  as 
  follows: 
  

  

  SECTION 
  OF 
  HILL 
  EAST 
  OF 
  SOUTH 
  OF 
  BREAKABEEN 
  INTO 
  

   NORTHERN 
  GILBOA 
  

  

  XXIX 
  M 
  

  

  M 
  8 
  Red 
  shale 
  near 
  turn 
  to 
  N. 
  Blenheim 
  

  

  Oneonta 
  

  

  M 
  7 
  Covered 
  

  

  M 
  6 
  Bluish-gray 
  shaly 
  sandstone 
  with 
  fossils 
  

  

  L250' 
  

  

  

  

  

  410 
  / 
  

  

  340' 
  

  

  _ 
  

  

  

  100 
  / 
  

  

  740' 
  

  

  

  

  

  540' 
  

  

  200' 
  

  

  

  

  

  200' 
  

  

  0' 
  

  

  

  M 
  5 
  Covered 
  

  

  M 
  4 
  Coarse 
  grained 
  grayish 
  sandstone 
  

  

  Sherburne 
  

  

  M 
  3 
  Covered 
  

  

  M 
  2 
  Bluish 
  fossiliferous 
  shales. 
  Hamilton 
  

  

  M 
  1 
  Covered 
  

  

  Schoharie 
  river 
  at 
  Breakabeen 
  

  

  