Cathodoluminescence and fluid inclusion characteristics of hydrothermal quartz from porphyry deposits
Porphyry deposits are one of the world's most important repositories of copper, gold, and molybdenum. Integrated fluid inclusion petrography and cathodoluminescence microscopy showed that stockwork veins in porphyry deposits are composed of multiple quartz generations. Early quartz showing a bright blue luminescence precipitated from a high-temperature fluid causing potassic alteration of the surrounding rock. The nature of the fluid inclusion assemblages entrapped in the quartz correlates with the depth of vein formation. Intermediate density fluid inclusions occur in deep deposits such as Butte ...
(For more, see "View full record.")