Pegmatites and Granites from the Totoral Pegmatite Field, San Luis, Argentina Julio Oyarzábal,1* Miguel Ángel...Ernesto Perino3 1 Department of Geology, 3Area of Analytical Chemistry, University of San Luis, and 2IANIGLA...2IANIGLA, CONICET-CCT-MENDOZA, Mendoza, Argentina Abstract The geochemistry of K-feldspar for K, P, Sr, Ba...southernmost pegmatitic field of the Pampean pegmatite province in Argentina. The variation of K/Rb-Cs, K/Cs-Rb...spodumene subtype pegmatites → albitespodumene type → albite type pegmatites. This sequence reflects the regional |