MaRYLAXD liliOLOGICAL SuRVEY 4G7 







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Road S. 60° E. o-Soi, ~ -^3 



Yellowish-green argillaceous shale. Some interbedded 



green sandstone. Dip 50° E ; 1774 44 2558 



Green sandstone, interbedded yellowish-green shale 1684 17 2514 



Yellowish-green argillaceous shale 1664 8 2507 



Reddish-brown arenaceous shale. Thin-bedded brown 



sandstone at top. This unit is almost bright-red 1654 17 2499 



Massive red-brown sandstone 1634 12 2472 



Road S. 35° E. Map altitude 630 feet 



Massive red-brown sandstone 1620 11 2460 



Yellow shale 1604 23 2449 



Red shale 1571 14 2426 



Massive sandstone 1551 3 2412 



Yellow and reddish-brown shale 1546 18 2409 



Road S. 37° E. 



Reddish and yellowish-green arenaceous shale. Some 



thin beds brown and green sandstone 1520 163 2391 



Reddish-brown arenaceous shale 1290 18 2228 



Yellowish-green argillaceous shale. Dip 55° E 1265 21 2210 



Road S. 57° E. Map altitude 620 feet 



Yellowish-green, somewhat fissile arenaceous shale 1235 106 2089 



Concealed 115 134 2083 



Interbedded brown sandstone and shale. Greenish- 

 yellow arenaceous shale at top 965 37 1949 



Parkheacl Sandstone Member 



Interbedded sandstone and shale. Coarse conglomeratic 



sandstone at top 925 34 1912 



Thin-bedded reddish-brown sandstone. Dip 70° E 885 9 1878 



Yellowish-green arenaceous shale, breaking somewhat 



irregularly 875 90 1869 



Limit of Hancock quadrangle. Map altitude 580 feet. . . . 825 



Thin-bedded grayish-green sandstone 775 9 1779 



Yellowish-green arenaceous shale breaking somewhat ir- 

 regularly ,... 765 36 1770 



Conglomeratic grayish-green sandstone, very massive... 725 9 1734 

 Yellowish-green arenaceous shale, breaking somewhat 



irregularly, some green sandstone 715 125 1725 



