Sample/Chondrite Figure 10. Chondrite-normalized rare earth element abundances in Florida pumice samples that are classified as medium -K rhyolites, dacites and andesites, plus 1000 100 La Ce Pr pumice and scoria with basaltic compositions. x Medium - K rhyolite © Andesite ® Dacite - NW Florida @ Basait © Basaltic trachyandesite Nd Sm Eu Gd Tb Dy Ho Er Tm Yb _ Lu Rare Earth Elements 97% LSISOTOdOUBINY VERIO TA] FHL (r-e)6S “IOA 9007