FLORIDA GEOLOGICAL SURVEY Sand, !:ght-brcan, very coarse; - and gravel Sand, ':ght grey, fine to very coarse; mollusk shells G-- I Coy, sandy - Sand, very coarse; shells; and gravel Mollusk shells with some fine to very Coarse sand LJ ;CC o Grave! and shel:s and medium S to very ccarse sand 7 Cv d sell gfrayg - S Gravel =rd sell fragments LJ 0 U -00 0 ,:cy, gray, sandy Limestone, gray:sh white, and dark gray clay Limestone, light gray, fossils rare ana, medium to very corse, and tfne crave Limestone, grayish white, some crominifers in lower half Clay, dark gray; a little pyrite and carbonaceous material Limestone, white, coundant foraminifers AOUICLUDE (Cloy units of Miocene age absent in northern half of Escambia and Santa Rosa Counties) LOWER LIMESTONE OF THE FLORIDAN AQUIFER Figure 4. Geologic sequence in Escambia and Santa Rosa counties as shown by representative log of oil test well near Pensacola. o SCO u acc- 0