Veta María Auxiliadora, Mina Piedras Coloradas, San Luis. Estudio de inclusiones fluidas en fluorita

Fluid inclusions studies in fluorite from the wolfram vein María Auxiliadora, Piedras Coloradas mine, San Luis province were carried out. Fluorite-vein is located next to the gouge of wolframquartz vein. Fluid inclusions are filled with liquid and one bubble. Microthermometric studies indicate that the mineralizing solutions were aqueous with 5.5 wt. % NaCl eq. and precipitated at a temperature not higher than 200°C.