RUSK COUNTY. 265 



I. Clay 4 feet. 



F. Pebbles . 4 feet. 



J. Yellow sandy clay 8 feet. 



K. Hard gray sand, with crusts of ferruginous shale, to bed of creek 5 feet. 



D'. Lignitic micaceous sandy shale to bed of branch near church or school house. . 5 feet. 



On the hillside, and in the bed of a small branch tributary to the Bast 

 Fork of Shawnee Creek, one-fourth to one-half mile south of L. D. Stephens' 

 house, was noted the following section : 



1. Sandy soil on summit of ridge 2 feet. 



2. Fragments of iron sandstone and buff crumbly iron ore on the hillside. 



3. Fossiliferous altered greensand marl, Eocene? 10 feet 



At this place a new set of deposits appears to come in. A continuation of 

 the section shows: 



4. Slightly altered greensand shell marl 20 feet. 



5. Iron sandstone conglomerate derived from summit bed, and recemented 



with iron pebbles from the pebble conglomerate during the deposition 



of the shell marl 18 inches. 



6. Hard stratum of iron sandstone 6 inches. 



7. Loosely aggregated crusty iron (irregular laminse) . . 6 inches. 



8. Altered greensand marl % 10 feet. 



9. Iron sandstone crust . . - 3 inches. 



10. Shaly iron crust 3 inches. 



II. Green marly clay with pyrite 2 feet. 



12. Dark greensand marl without pyrite 6 feet. 



13. Indurated glauconitic clay 6 inches. 



1 4. Very dark greensand marl to sand in bottom of the valley 3 feet. 



About thirteen miles west of Henderson, or three miles across the line of 

 Cherokee County, and one and one-half miles northward from Grissom's gin 

 house, in a little gully was noted the following local stratification : 



1. Soft iron conglomerate of argillaceous pebbles, no definite bed. 



2. Ferruginated orange sand with stem holes. (In breaking one piece the 



gossamer-like remains of the cellular tissue of a stem were observed.). . 12 inches. 



3. Orange sandy loam, with casts of Gardita planicosta and Turritella, sp. ind., 6 inches. 



4. Argillaceous shale and iron sandstone crust, interstratified 3 inches. 



5. Soft ferruginated sandstone 12 inches. 



6. Shaly micaceous iron sand and clay, interstratified 12 inches. 



7. Stratified micaceous iron sandstone 3 inches. 



8. Red sandy clay and crusty iron shale 12 inches. 



9. Micaceous iron sandstone 2 inches. 



10. Micaceous iron sandstone with green stain 14- inches. 



1 1 . Argillaceous iron sandstone 3 inches. 



1 2. Mottled, red and gray clay to bottom of gully. 



About one-fourth of a mile northwest of Henderson, on the Belleview road, 

 is the following section: 



