PETROLEUM POSSIBILITIES OE ELORIDA 117 
• 
Depth from surface. 
(Ft•) 
Greenish, sandy marl, with fragments of shells and some minute mica 
flakes. Echinoderm spine noted.......... 150 
Granular, light-colored limestone. Microscopic fossils... 215 
Very finely powdered, cream-colored limestone. Microscopic fossils... 260 
Hard, close-grained, light-colored limestone. Fossils. 455 
Finely powdered, brownish limestone. 485 
Finely powdered, brownish limestone. Microscopic fossils. 515 
Very hard, close-grained, brownish limestone. A few microscopic fossils 
noted ....-.-. 600 
Hard, cream-colored limestone. No fossils observed..... 680 
Hard, brownish limestone .... 715 
Hard, finely-powdered, brownish limestone.... 870 
Partly crystallized, brownish limestone.- 975 
Light brownish limestone...—. 1160 
Hard, partly crystallized, brownish limestone....... 1210 
Finely-powdered, crystallized, brown limestone....... 1300 
Very finely-powdered, brownish limestone, with inclusions of flint frag¬ 
ments... 1370:-1380 
Very finely-powdered, white limestone......... 1400-1410 
Granular, light-colored limestone. Fossil noted..... 1410-1420 
Granular, light-colored limestone ...... 1420-1430 
Hard, brownish limestone . 1490 
Finely-powdered, brownish limestone „.... 1535 
Very finely-powdered, brownish limestone.... 1545-1555 
Very hard, brownish limestone.....?. 1564-1574 
Finely-powdered, chalky, white limestone. 1600-1635 
Light-colored limestone, with bluish fragments... 1645 
Light-colored limestone, with bluish fragments... 1700-1710 
Light-colored, fossiliferous limestone . 1760-1763 
Very finely-powdered, brownish limestone... 1763-1777 
Light-colored limestone . 1777-1781 
Light-brownish limestone . 1781-1785 
Light-colored, finely-powdered, partly crystallized limestone.... 1789-1790 
Light-brown, finely-powdered limestone. Fossils noted..... . 1793-1806 
Light-brown, finely-powdered limestone. Fossils noted. 1806-1810 
Light-colored, finely-broken, partly crystallized limestone...... 1810-1817 
Light-colored, finely-broken limestone. Fossils noted.. 1817-1828 
Light brown, powdered, partly crystallized limestone. Fossils noted. 1830-1835 
Light brown, finely powdered, partly crystallized limestone. Fossils 
noted ........■. 1835-1845 
Hard, brownish, partly crystallized, powdered limestone. Fossils noted... 1845-1854 
Brown, crystallized limestone, finely broken....L..... 1854-1865 
Light brown, very finely-powdered limestone. Fossils noted. . 1865-1872 
Light brownish limestone. Some of the limestone discolored by iron or 
rust spots. No fossils observed....... 1925-1945 
Light-colored limestone, powdered fine by the drill. Salt-water horizon. 
No fossils observed. The bailer brought up small amount of rock. 
Drillings disappeared in the water.... 1945-1990 
Light-colored limestone. No fossils observed........ 1993 
Gray-colored, hard, partly crystallized limestone. Breaks in coarse 
fragments. No fossils observed... 1995 
Limestone, some of it light-colored and some brownish cast. Broken up 
medium fine by the drill. In addition to the limestone, this sample 
contains a limited amount siliceous sand. 2000 
