C. W. Honess — Stanley Shale of Oklahoma. T3 



Feet. Inches. 



27. Massive gray sandstone undulating in beds 1 

 to 6 feet, at bottom of which are fossil 

 plants, seeds and scales 15 



26. Resistant hard, gray sandstones and thick- 

 bedded soft gray sandy shales, with plant 

 remains {collection No. 471) at bottom. ... 18 3 



25. Thin sandstones and sandy shales inter- 

 bedded and undulating 12 8 



The approximate Stanley-Jackforh contact. 



24. Sandy greenish grey shale and soft sandstone 

 with fossil plants at hottom {Collection 

 Nos. 469-470) 6 



23. Greenish graj^, soft sandstones, blue and 



black cla}^ shales 3 6 



22. Massive ledges 1 to 6 feet thick, of blue-gray 

 quartzitic sandstone undulating, no shales 

 in partings 18 1 



21. Greenish graj'" quartzites and hard sand- 

 stones in beds 1 to 4 feet thick interbedded 

 with blue clay shales in beds 1 foot to 7 

 fgg^ ^ 9;!^ 



20. Covered .'.'..'.V.'.V.'.V.'.V.'.'.V. ............ '. 34 10 



19. Massive hard gray sandstones averaging 1 

 foot in thickness containing two thin clay 

 shale partings 21 



18. Light blue clay shales containing soft clay 



concretions, in part sandj^ 21 5 



17. Massive ledges of blue quartzite and quartz- 

 itic sandstones 1 to 4 feet in thickness with 

 three or four thin (2 inch) shale parsings. 22 4 



16. Mass of blue clay shale with thin layers of 



sandstone containing fragments of plants . . 9 6 



15. Soft blue clay shales including a few thin 



fine-grained greenish gray sandstones 50 6 



14. Covered, probably chiefly shale, calculated 



thickness 58 3 



13. Quartzitic sandstone ledges, massive, in beds 

 2 inches to 9 feet in thickness, containing 

 one 2 inch shale parting 34 5 



12. Hard quartzitic greenish gray sandstones in 

 beds 2 or more feet thick interbedded with 

 shales, the softer materials all being covered. 

 Calculated thickness, over all 695 3 



11. Resistant hard sandstones in beds 1 to 3 feet 



thick 21 2 



10. Fine-grained greenish gray soft sandstone 



