Mineralization and metallogenic model of the Laurani high-sulfidation epithermal deposit in northeastern Bolivian Altiplano.

And the abundant occurrence of quartz eyes may be significant evidence of large-scale fluid exsolution 42 .

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Compared to quartz veins, the homogenization temperatures of the stage II barite veins show a wide range and decreasing trend from 397 to 146 °C, while the salinities have a narrow range from 0.7 to 10.7 wt.% NaCl eq except for two greater than 15 wt.% NaCl eq and show a decreasing trend as well (Fig. 13 ).

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