﻿92 
  NEW 
  YORK 
  STATE 
  MUSEUM 
  ' 
  

  

  LXXIV 
  A 
  2 
  . 
  To 
  the 
  northwest 
  of 
  Sidney 
  is 
  the 
  hill 
  just 
  men- 
  

   tioned 
  which 
  forms 
  the 
  angle 
  between 
  the 
  two 
  rivers 
  near 
  their 
  

   confluence. 
  There 
  are 
  a 
  few 
  exposures 
  on 
  the 
  hillside 
  which 
  ire 
  

   important 
  since 
  they 
  show 
  that 
  the 
  lower 
  part 
  of 
  the 
  hill 
  is 
  in 
  

   the 
  Oneonta 
  formation 
  while 
  the 
  upper 
  part 
  belongs 
  in 
  the 
  base 
  

   of 
  the 
  Chemung. 
  

  

  On 
  the 
  road 
  to 
  the 
  Secor 
  quarry 
  at 
  an 
  elevation 
  of 
  95 
  feet 
  above 
  

   the 
  Susquehanna 
  river 
  bridge 
  and 
  approximately 
  the 
  same 
  ele- 
  

   vation 
  above 
  railroad 
  level 
  is 
  an 
  outcrop 
  of 
  red, 
  arenaceous 
  shale 
  

   and 
  sandstone. 
  This 
  part 
  of 
  the 
  hill 
  is 
  well 
  covered 
  by 
  drift 
  and 
  

   there 
  is 
  only 
  a 
  small 
  exposure 
  of 
  the 
  rock. 
  

  

  LXXIV 
  A 
  4 
  . 
  Above 
  this 
  outcrop 
  at 
  an 
  elevation 
  of 
  110 
  feet 
  is 
  a 
  

   small 
  quarry 
  of 
  building 
  stone 
  known 
  as 
  Secor's 
  quarry 
  in 
  which 
  

   15 
  feet 
  of 
  rocks 
  are 
  exposed 
  consisting 
  of 
  a 
  grayish 
  to 
  olive 
  sand- 
  

   stone 
  with 
  greenish 
  to 
  bluish 
  argillaceous 
  shale 
  partings. 
  The 
  

   rock 
  splits 
  into 
  rather 
  rough 
  layers 
  some 
  of 
  which 
  contain 
  clay 
  

   pebbles. 
  Nothing 
  but 
  plant 
  and 
  crinoid 
  stems 
  were 
  found 
  in 
  

   the 
  debris 
  of 
  the 
  quarry 
  but 
  in 
  the 
  adjacent 
  portions 
  of 
  Dela- 
  

   ware, 
  Otsego 
  and 
  Chenango 
  counties 
  the 
  first 
  fauna 
  of 
  the 
  

   Chemung 
  stage 
  consists 
  largely 
  of 
  crinoid 
  segments 
  so 
  that 
  it 
  

   seems 
  reasonably 
  safe 
  to 
  refer 
  the 
  rocks 
  of 
  this 
  quarry 
  to 
  the 
  

   base 
  of 
  the 
  Chemung. 
  

  

  LXXIV 
  A 
  6 
  . 
  Along 
  the 
  field 
  road 
  some 
  95 
  feet 
  higher 
  than 
  the 
  

   quarry 
  are 
  small 
  ledges 
  of 
  bluish 
  shale 
  in 
  which 
  a 
  few 
  fossils 
  were 
  

   found, 
  viz, 
  Spirifer 
  mesacostalis 
  Hall, 
  small 
  form, 
  common; 
  

   Tentacidites 
  sp.; 
  and 
  crinoid 
  segments. 
  These 
  shales 
  as 
  their 
  

   fauna 
  clearly 
  indicates 
  are 
  in 
  the 
  lower 
  part 
  of 
  the 
  Chemung 
  

   formation. 
  The 
  summit 
  of 
  the 
  hill 
  is 
  some 
  90 
  feet 
  above 
  the 
  

   shales 
  of 
  A 
  6 
  and 
  on 
  its 
  surface 
  are 
  loose, 
  angular 
  slabs, 
  evidently 
  

   from 
  that 
  vicinity, 
  a 
  few 
  of 
  which 
  are 
  calcareous 
  — 
  like 
  a 
  fire- 
  

   stone 
  — 
  and 
  composed 
  largely 
  of 
  small 
  crinoid 
  segments 
  and 
  

   specimens 
  of 
  Atrypa 
  reticularis 
  (Lin.) 
  Dal. 
  In 
  some 
  of 
  the 
  slabs 
  

   specimens 
  of 
  Liorhynchus 
  globuliformis 
  (Van.) 
  Hall, 
  Atrtfpa 
  reti- 
  

   cularis 
  (Lin.) 
  Dal., 
  Leptodesma 
  and 
  Tentacidites 
  sp. 
  are 
  found 
  but 
  

   most 
  of 
  them 
  contain 
  crinoid 
  segments. 
  

  

  