102 FLORIDA GEOLOGICAL SURVEY-TWELFTH ANNUAL REPORT 
time of the deposition of the Ocala limestone, assuming that the 
Orbit olina is limited to a single horizon. 
However this may be, it is certain that after the Ocala had been 
deposited there has been a low anticlinal fold developed in the region 
in general similar to that already noted for the Lower Cretaceous. 
The present occurrence of the Ocala at the surface in west central 
Florida with dip toward the northeast, east, and south seems to 
indicate that there is a low anticlinal fold here extending to the part 
of the Florida Plateau to the west. This is further indicated by the 
high elevation of the Orbit olina level at Burns in Wakulla County 
to the northward of the present submerged portion of the plateau. 
LOWER OLIGOCENE. 
At Tiger Bay there are fragments of Lepidocyclina that may 
possibly of Lower Oligocene age but they are too poor to admit 
of specific determination and therefore the suggestion as to their 
age is-not proven. 
At Marathon the Lepidocyclina may be of either Lower Oligo¬ 
cene or Upper Eocene age but as it is not referable to any described 
species it is difficult to place it definitely. In the central and north¬ 
ern portions of the State the presence of Lower Oligocene in the 
well samples seems questionable. 
MIDDLE AND UPPER OLIGOCENE. 
The Tampa formation or its equivalent as characterized by 
Orbitolitcs floridana (Conrad) seems to be present in the well at 
Panama City, and at Marathon the two wells at the extremes of 
the State. Possibly some of the series in the Fort Myers well may 
be of this formation. Strata characterized by Orbitolites are widely 
distributed, occurring in Panama and at Anguilla in the Leeward 
Islands and in various parts of Florida. Except for the localities 
noted the well samples add little to the data on this formation. 
MIOCENE. 
From what can be learned from the well samples examined the 
Miocene deposits are of considerable thickness in southern Florida. 
