100 Ee ; O Low silica rhyolite @ High silica rhyolite © Medium silica rhyolite - NW Florida 10 Sample/Chondrite La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Rare Earth Element Figure 9. Chondrite-normalized rare earth element abundances in Florida pumice samples that are classified as high-K, rhyolites. Thirteen samples are shown on the diagram, including eleven high-silica rhyolites and two low-silica rhyolites. The low silica rhyolite samples include Miami Circle (MD 1.222.11a) and Brickell Point (HMSF 582.1). HST SOFIA d IO SHIGALS TWOINdHI08D St