﻿IRON 
  ORES 
  OF 
  THE 
  CLINTON 
  FORMATION 
  25 
  

  

  Niagaran 
  strata. 
  Oolitic 
  hematite 
  was 
  encountered 
  at 
  976 
  feet 
  and 
  

   continued, 
  according 
  to 
  the 
  record, 
  till 
  986 
  feet. 
  The 
  passage 
  from 
  

   the 
  Clinton 
  into 
  the 
  Medina 
  strata 
  was 
  taken 
  at 
  1007 
  feet 
  depth 
  and 
  

   according 
  to 
  Prosser's 
  interpretation 
  at 
  991 
  feet. 
  On 
  the 
  latter 
  

   basis 
  the 
  combined 
  thickness 
  of 
  the 
  Clinton, 
  Rochester 
  and 
  Lock- 
  

   >port 
  beds 
  amounted 
  to 
  466 
  feet. 
  The 
  second 
  well, 
  known 
  as 
  the 
  

   State 
  well, 
  1 
  was 
  drilled 
  a 
  short 
  distance 
  southeast 
  of 
  the 
  Gale 
  well. 
  

   The 
  record 
  given 
  by 
  Dr 
  Englehardt 
  does 
  not 
  vary 
  essentially 
  from 
  

   the 
  preceding, 
  so 
  far 
  as 
  the 
  Clinton 
  is 
  concerned. 
  The 
  ore 
  bed 
  was 
  

   encountered 
  at 
  995 
  feet, 
  with 
  an 
  estimated 
  thickness 
  of 
  5 
  feet. 
  

  

  Chittenango, 
  Madison 
  co. 
  This 
  is 
  the 
  site 
  of 
  a 
  deep 
  well 
  

   which 
  was 
  drilled 
  in 
  1890. 
  The 
  altitude 
  at 
  the 
  top 
  of 
  the 
  well 
  is 
  

   estimated 
  at 
  444 
  feet. 
  Prosser 
  2 
  gives 
  the 
  Clinton 
  as 
  beginning 
  at 
  

   567 
  feet 
  depth, 
  with 
  a 
  green 
  argillaceous 
  shale 
  33 
  feet 
  thick. 
  Below 
  

   this 
  is 
  bluish 
  gray 
  shale, 
  44 
  feet. 
  Then 
  follows 
  dark 
  gray 
  calcareous 
  

   material 
  with 
  iron 
  ore, 
  11 
  feet, 
  and 
  at 
  the 
  base 
  green 
  argillaceous 
  

   shale, 
  235 
  feet; 
  the 
  lower 
  10 
  feet 
  having 
  "a 
  few 
  reddish 
  chips 
  like 
  

   iron 
  ore." 
  

  

  Lakeport, 
  Madison 
  co. 
  A 
  section 
  from 
  the 
  base 
  to 
  the 
  top 
  

   of 
  the 
  Clinton 
  formation 
  is 
  afforded 
  by 
  the 
  test 
  hole 
  drilled 
  at 
  Lake- 
  

   port, 
  on 
  the 
  south 
  shore 
  of 
  Oneida 
  lake, 
  about 
  6 
  miles 
  from 
  the 
  

   eastern 
  end. 
  The 
  hole 
  was 
  started 
  in 
  the 
  basal 
  Lockport, 
  a 
  dolomitic 
  

   limestone, 
  which 
  was 
  underlain 
  by 
  22 
  feet 
  of 
  Rochester 
  shale. 
  

  

  STRATA 
  FEET 
  

  

  Limestone, 
  with 
  much 
  shale 
  and 
  6 
  inches 
  of 
  iron 
  ore 
  at 
  

  

  66 
  feet 
  depth 
  17 
  

  

  Shale, 
  with 
  limey 
  bands 
  227 
  

  

  Ore, 
  fossil, 
  alternating 
  with 
  limestone 
  and 
  shale 
  2*2 
  

  

  Shale, 
  with 
  thin 
  limestone 
  45 
  

  

  Ore, 
  oolitic 
  1 
  

  

  Sandstone, 
  shaly 
  at 
  top 
  '2 
  

  

  The 
  thickness 
  of 
  the 
  strata 
  aggregates 
  295 
  feet. 
  This 
  is 
  about 
  the 
  

   maximum 
  for 
  the 
  Clinton 
  in 
  New 
  York 
  State. 
  The 
  main 
  element 
  

   of 
  the 
  formation, 
  as 
  will 
  be 
  observed, 
  consists 
  of 
  the 
  upper 
  shale, 
  

   above 
  the 
  ore 
  horizon, 
  which 
  reaches 
  a 
  much 
  greater 
  thickness 
  than 
  

   in 
  any 
  other 
  portion 
  of 
  the 
  belt. 
  The 
  presence 
  of 
  this 
  great 
  bed 
  of 
  

   shale 
  affords 
  an 
  explanation 
  for 
  the 
  depression 
  occupied 
  by 
  Oneida 
  

  

  1 
  Geol. 
  Soc. 
  Am. 
  Bui. 
  I892. 
  4:102. 
  

   - 
  Geol. 
  Soc. 
  Am. 
  Bui. 
  1892. 
  4: 
  97. 
  

  

  