272 
FLORIDA STATE GEOLOGICAL SURVEY. 
Aspalaga. Analysis made for the State Survey in the office of the 
State Chemist, B. H. Bridges, Analyst. 
Silica (Si0 2 ) . 39.08 
Calcium oxide (CaO) 12.00, CaCO s (calculated) .. 21.80 
Magnesium oxide (MgO) 8.86, MgC0 3 (calculated) . 18.48 
Iron and alumina (Fe 2 0 3 ), A1 2 0 3 . 11.60 
Phosphoric acid . 00.00 
Sulphate (S0 4 ) . Trace 
Moisture (100 degrees F.) .... 1.50 
Fig. 5. Section at Aspalaga Bluff. After Harris. From Maury’s Oligocene of 
the Southern United States. 
The following is an analysis of a sample taken from a similar 
stratum, one mile east of Chattahoochee (No. 4 of section given on 
page 270). Analysis for the State Survey made in Office of the 
State Chemist, B. H. Bridges, Analyst. 
