Ti/100
D
A
C
Zr 3Y
Figure 6. Florida Geological Survey samples plotted on a Ti/100 3Y Zr discrimination diagram
(Pearce and Cann, 1973). A low-K20 tholeiites; B ocean floor basalts, low K20 tholeiites
and calc-alkaline basalts; C calc-alkaline basalts; and D intra-plate basalts.
20