GEOQUÍMICA DE FELDESPATOS POTÁSICOS Y MUSCOVITA DE PEGMATITAS LITÍFERAS DE LA SIERRA DE SAN LUIS, ARGENTINA.

MARTÍNEZ V. A.; GALLISKI M. A.

AVANCES EN MINERALOGÍA, METALOGÉNESIS Y PETROLOGÍA 2013

Editorial Universidad Nacional de San Juan

Lugar: San Juan; Año: 2013; p. 95 - 98

In this study, we examined muscovite and K-feldspar from lithium-bearing pegmatites of the sierras de San Luis. Their composition includes trace elements (K, P, Rb, Cs, Sr, Ba, Ga, Nb y Ta) that vary in abundance with the fractionation process and are indicators of internal evolution, typology and economic potential. Fractionation trends evidenced in diagrams do not differ from those known trajectories in other districts.Most of the graphics used for K-feldspar and muscovite, clearly show fractionation within each pegmatite. The pegmatites with mineralization and potential economic interest in tantalum are Géminis, Don Rolando, La Viquita, León Herido and, possibly, Las Cuevas.