M'GEE — GEOLOGY MACON CO., MO. 



331 



'"^ 



"000 



ill the accompain-ing- diagiam, F\g. 6 ; 

 and the general section of the Lower Coal 

 Measures of Macon county, Missouri, 

 from the limestone above the Summit 

 coal to the Sub-carboniferous limestone — 

 a section measuring not less than 210 and 

 certainly not more than 225 feet — may be 

 formulated as follows : 



(oiispcotiis of .Msieoii C'otiiily SIrata. 



I. Upper limestone 2' 



Shale or clay (slope in sec. 11) .... 3 



.Summit coal j 5" 



Shale or clay (slope in sec. 11) .... 8 



Clinking limestone 2 6 



Arenaceous shale or sandstone .... 17 



Bev^ier coal - 



Fire-clay and shale 5 



Brown dolomite 2 



White limestone 3 



Upper Chonctis shale or clay 



Hiatus ' 



Clay or shale 



Limestone j 



Black shale 2 



Eleven-inch coal 



Shales, clay, etc 16 



Semi-magnesian limestone 4 



Glossy black shale with ovoid 



nodules - 



Carbon coal 2 



Fire-clay ij 



Shales and clays 8 



Impure limestone i 



Shales and clays 10 



Productus limestone 2 



Lower C^o«e/fe5 shale 4 



Total observed thickness (in- 

 cluding hiatus) 



13 



5 



14. 

 15- 

 16. 



17- 

 18. 

 19. 



^3- 



24. 



-5- 

 26. 



132 2 



27. Predominantly carbonaceous 

 shales, etc. (bottom of 11, with 12 

 -14 of sec. 15) 23 



28. Calcareo-ar^illaceous shales (15- 



17 of sec. 15) 56 9 



Sub-Carboniferous limestone. 

 Total from boring recoid alone 79 9 



A-ggregate 212 



