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The aim is to understand the trace element incorporation in quartz during pegmatite evolution and its implications for ore deposit studies.

Hydrothermal quartz genesis revealed by the combination of SEM charge contrast maps, FTIR mapping, and LA-ICP-MS trace element geochemistry

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The aim is to understand the trace element incorporation in quartz during pegmatite evolution and its implications for ore deposit studies.
Mapped quartz crystals using SEM and FTIR spectroscopy to observe trace elements and OH content.
Performed LA-ICP-MS to analyze trace elements in quartz from two pegmatites in Italy and Switzerland.
Conducted Ti-in-quartz geothermometry to determine temperature and pressure conditions during quartz formation.
In Rosina quartz, Li, B, Al, and Ti concentrations are higher in cores than rims; however, in Misox quartz, they increase from core to rim.
OH defects correlate with trace element zoning, with LiOH being dominant in Rosina quartz, indicating evolved conditions.
Temperature estimates reveal Rosina quartz formation at 2.3 kbar, 590-330 °C, and Misox quartz at 5-6 kbar, 520-300 °C.

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Randomized trial shows geochemical changes in pegmatite quartz crystals, indicating mining implications.

Bermanec et al. (2026) studied this question.

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