<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The Zletovo is lead–zinc (Pb–Zn) deposit, adjacent to the Plavica volcanic centre (R. Macedonia) with high-sulphidation and porphyry mineralisation. The analysis of fluid inclusions showed homogenisation temperatures in the range 335–145°C, which reflects phases of pulsation of hydrothermal solutions and defined into four groups from the lowest to the highest temperatures. The frequency of the homogenisation temperatures ranged from 265 to 125°C and with the most dominant from 245 to 225°C, from 225 to 205°C and from 145 to 125°C. Also, it was confirmed that hydrothermal ore-bearing solutions were defined as NaCl-type with range from 4.4 to 8.6 wt% NaCl equivalent. The latest stage salinities ranged from 3 to 12 wt% NaCl equivalent, where those from 10 to 12 wt% and from 6 to 8 wt% NaCl equivalent, prevailed. This suggests that hydrothermal solutions within analysed quartz grains were at final mineralizing phase. Density of fluid inclusions ranged from 0.7 to 0.95g/cm<sup>3</sup>. Calculated pressures and paleo-depths of mineralisation ranged from 14 to 130 bar and from 0.6 to 0.8 km.</p></abstract>

The Zletovo is lead–zinc (Pb–Zn) deposit, adjacent to the Plavica volcanic centre (R. Macedonia) with high-sulphidation and porphyry mineralisation. The analysis of fluid inclusions showed homogenisation temperatures in the range 335–145°C, which reflects phases of pulsation of hydrothermal solutions and defined into four groups from the lowest to the highest temperatures. The frequency of the homogenisation temperatures ranged from 265 to 125°C and with the most dominant from 245 to 225°C, from 225 to 205°C and from 145 to 125°C. Also, it was confirmed that hydrothermal ore-bearing solutions were defined as NaCl-type with range from 4.4 to 8.6 wt% NaCl equivalent. The latest stage salinities ranged from 3 to 12 wt% NaCl equivalent, where those from 10 to 12 wt% and from 6 to 8 wt% NaCl equivalent, prevailed. This suggests that hydrothermal solutions within analysed quartz grains were at final mineralizing phase. Density of fluid inclusions ranged from 0.7 to 0.95g/cm3. Calculated pressures and paleo-depths of mineralisation ranged from 14 to 130 bar and from 0.6 to 0.8 km.

Contribution to Understanding of Ore Fluids in the Zletovo Mine Based on Fluid Inclusion Data

Faculty of Natural and Technical Sciences

Faculty of Natural Sciences and Engineering, Department of Geology

Materials and Geoenvironment

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The Zletovo is lead–zinc (Pb–Zn) deposit, adjacent to the Plavica volcanic centre (R. Macedonia) with high-sulphidation and porphyry mineralisation. The...

Contribution to Understanding of Ore Fluids in the Zletovo Mine Based on Fluid Inclusion Data

Pubblicato online: 07 feb 2020

Pagine: 75 - 86

Ricevuto: 17 lug 2018

Accettato: 04 gen 2019

DOI: https://doi.org/10.2478/rmzmag-2019-0008

Parole chiave
lead–zinc, quartz, fluid inclusions, temperature, salinity, Zletovo mine

© 2019 Goran Tasev et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Contribution to Understanding of Ore Fluids in the Zletovo Mine Based on Fluid Inclusion Data

Pubblicato online: 07 feb 2020

Pagine: 75 - 86

Ricevuto: 17 lug 2018

Accettato: 04 gen 2019

DOI: https://doi.org/10.2478/rmzmag-2019-0008

Parole chiavelead–zinc, quartz, fluid inclusions, temperature, salinity, Zletovo mine

© 2019 Goran Tasev et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Parole chiave
lead–zinc, quartz, fluid inclusions, temperature, salinity, Zletovo mine