﻿Mississippian 
  of 
  Ohio 
  and 
  Pennsylvania. 
  313 
  

  

  This 
  section 
  was 
  secured 
  partly 
  in 
  the 
  quarry 
  of 
  the 
  Sharon 
  

  

  Clay 
  Products 
  Co., 
  and 
  partly 
  in 
  an 
  abandoned 
  quarry 
  just 
  

   above. 
  Both 
  are 
  located 
  about 
  one 
  mile 
  west 
  of 
  Sharon. 
  

  

  3a. 
  Buchanan 
  Ravine. 
  

  

  Thickness 
  

   No. 
  Feet. 
  

  

  29. 
  Meadville. 
  Shale, 
  bluish, 
  argillaceous 
  ; 
  some 
  sandstones 
  

  

  interbedded 
  9 
  

  

  28. 
  Mead, 
  upper 
  Limestone. 
  Hard, 
  blue, 
  siliceous 
  limerock 
  

  

  in 
  four 
  layers, 
  fossils 
  abundant, 
  also 
  pebbles 
  If 
  

  

  27. 
  Meadville 
  lower. 
  Shale, 
  bluish, 
  argillaceous, 
  some 
  sand- 
  

   stone 
  _ 
  15 
  

  

  26. 
  Shale 
  and 
  sandstones 
  __ 
  _ 
  __ 
  15 
  

  

  25. 
  Sandstone 
  layer 
  \ 
  

  

  24. 
  Shale 
  and 
  sandstones 
  10 
  

  

  23. 
  Mead, 
  middle 
  Limestone. 
  Same 
  as 
  No. 
  28 
  ; 
  2 
  layers 
  1 
  

  

  22. 
  Sharpsville. 
  Sandstone, 
  flaggy, 
  brownish 
  in 
  color 
  . 
  _ 
  19 
  

  

  21. 
  Sandstone, 
  fine-grained, 
  bluish 
  grey 
  4 
  micaceous 
  12 
  

  

  20. 
  Mead, 
  lower 
  Limestone. 
  Same 
  as 
  No. 
  28 
  ; 
  2 
  layers 
  2 
  

  

  19. 
  /Sharpsville 
  Lower. 
  Sandstone, 
  massive 
  layer 
  1 
  

  

  18. 
  Sandstone, 
  thin 
  layers 
  from 
  a 
  fraction 
  of 
  an 
  inch 
  to 
  6 
  

  

  or 
  7 
  inches 
  thick, 
  even-bedded 
  20 
  

  

  17. 
  Orangeville. 
  Shale, 
  blue 
  and 
  grey, 
  soft, 
  argillaceous, 
  

  

  weathers 
  to 
  a 
  rusty 
  color 
  8 
  

  

  16. 
  Sandstone, 
  dull 
  chocolate 
  color 
  § 
  

  

  15. 
  Shale, 
  as 
  above, 
  but 
  more 
  sandy 
  7 
  

  

  14. 
  Shale, 
  as 
  above, 
  fossiliferous 
  19 
  

  

  13. 
  Covered... 
  11 
  

  

  12. 
  Shale, 
  same 
  as 
  No. 
  17, 
  interbedded 
  with 
  thin, 
  hard 
  

  

  micaceous 
  sandstones, 
  fossils 
  23 
  

  

  11. 
  Sandstone, 
  dull 
  brownish 
  grey, 
  with 
  black 
  carbonaceous 
  

  

  streaks 
  f 
  

  

  10. 
  Sandstone, 
  hard, 
  blue, 
  calcareous 
  and 
  ferruginous 
  ; 
  con- 
  

   tains 
  a 
  great 
  amount 
  of 
  marcasite 
  . 
  -J 
  

  

  9. 
  Shale, 
  blue, 
  weathers 
  rusty 
  on 
  outcrop 
  5f 
  

  

  8. 
  Sandstone, 
  dull 
  gray, 
  fine-grain 
  ed 
  2-^ 
  

  

  7. 
  Shale, 
  blue, 
  argillaceous 
  _ 
  If 
  

  

  6. 
  Sandstone, 
  blue, 
  rather 
  fine-grained.. 
  1 
  

  

  5. 
  Covered 
  11 
  

  

  4. 
  Corry. 
  Sandstone, 
  coarse, 
  rather 
  friable, 
  massive, 
  fer- 
  

   ruginous, 
  as 
  shown 
  by 
  deep 
  crust 
  of 
  weathering 
  f 
  

  

  3. 
  Covered 
  12 
  

  

  2. 
  Same 
  as 
  No. 
  4 
  1 
  

  

  1. 
  Cussewago. 
  Shale, 
  blue, 
  argillaceous 
  ; 
  thin 
  sandstones, 
  

  

  many 
  fossils 
  25 
  

  

  This 
  section 
  was 
  secured 
  a 
  few 
  miles 
  south 
  of 
  Meadville 
  on 
  

   the 
  farm 
  of 
  Mr. 
  David 
  Buchanan. 
  It 
  is 
  just 
  opposite 
  the 
  

   small 
  station 
  of 
  Buchanan 
  on 
  the 
  Erie 
  R. 
  R. 
  The 
  section 
  is 
  a 
  

  

  