528 CARBONIFEROUS ROCKS IX CUMB. CO. — LOGAN & FLETCHER. 



Ft. In. 



7. Greenish-gray argillaceous skale 3 



8. Rusty-gray coarse pebbly sandstone, with finer 



layers and lenticular patches of conglomerate. ... 50 



9. Bluish-gray argillaceous flag, with concretionary 



arenaceous "bulls-eyes" 12 



10. Gray and greenish and rusty pebbly sandstone; 



pasiSjes in part into conglomerate and contains len- 

 ticular patches of conglomerate and argillaceous 

 shale 37 



11. Rusty-gray nut-and-egg conglomerate. Xo. 21 of 



last section 4 6 



12. Red sandstone and shale with greenish and gray 



layers and a lenticular layer of dark arenaceous 



shale 20 



13. Greenish-gray and rnsty fine sandstone. A 10-feet 



downthrow on the west side 10 



14. Red sandstone and argillaceous shale in alternate 



layers 25 



15. Red marl 10 



16. Dark gray and greenish argillaceous shale 6 



17. Reddish argillaceous sandstone 4 



18. Gray, very fine sandstone 5 



19. Bluish-gray argillaceous shale 1 6 



20. Gray and greenish argillaceous shale, with pebbly 



patches 5 



21. Red shale and light-gray and greenish fine sandstone, 



in alternate layers. 'No. 29 of previous section. . . 14 



Total thickness 363 4 



Section VIII. 



DESCENDING BELOW NO. 8 OF LAST SECTION. 



1. Gray pebbly sandstone of the usual character. ... 20 



2. Dark-gray argillaceous shale in a lenticular band 



ranging from ten feet to one inch 5 



