VARIABILITY OF ORE MINERALIZATION IN THE LOWERMOST ZECHSTEIN ACROSS THE REDOX INTERFACE IN THE WESTERN PART OF THE POLKOWICE DEPOSIT
Journal Title: Biuletyn Państwowego Instytutu Geologicznego - Year 2011, Vol 444, Issue 444
Abstract
A full-scale investigation into variability of ore mineralization at the contact between oxidized and reduced zone in the copper-bearing Zechstein series was performed. Results of the studies were obtained on the basis of archival boreholes located in the western part of the Polkowice mining area, proximal to the Fore-Sudetic Block. Detailed microscopic observations enabled to identify the following ore minerals: chalcocite, covellite, digenite, tennantite, bornite, chalcopyrite, cobaltite, skutterudite, nickeline, rammelsbergite, pyrite, galena, sphalerite and marcasite. Microscopic observations allowed determining some features of host sediments (textures and structures) and establishing relations between constituents of rocks. Petrographic analysis of thin-sections also allowed describing the lithology of the rocks. The variability of ore mineralization in the boreholes indicates the occurrence of high-grade copper ores (mainly disseminated mineralization) above the oxidized zones, and the presence of submicroscopic gold in oxidized rocks.
Authors and Affiliations
Andrzej CHMIELEWSKI
Keywords
Related Articles
- EP ID EP63950
- DOI -
- Views 50
- Downloads 0
THE PROBLEM OF RECLAMATION OF CHEMICALLY DEGRADED AREAS IN ENGINEERING-GEOLOGICAL INVESTIGATIONS ON THE BASIS OF THE EXPERIENCE FROM ŁOMIANKI AREA
The article presents the course of action in reclamation works on chemical degradation of soils and grounds. On the basis of the data gathered from the test site, the need for geochemical analyses has been demonstrated i...
PORÓWNANIE METOD ODWZOROWANIA WIELOWARSTWOWEGO UKŁADU KRĄŻENIA WÓD SYSTEMU WODONOŚNEGO W REJONIE UJĘCIA LIS NA MODELACH LOKALNYCH I REGIONALNYCH
Analizie poddano obszar o pow. 27 km2, który stanowi wycinek systemu wodonośnego doliny Prosny w rejonie Kalisza. Obszar ten wielokrotnie był przedmiotem badań modelowych, zarówno szczegółowych – w celu określenia zasobó...
Regional modelling of nitrates transport in a Carpathian river watershed
A numeric regional model of nitrate transport in groundwater was developed for the Raba river watershed, about 1537 km[sup]2[/sup], which is a Carpathian tributary of the Vistula River. The model was prepared to predict...
INTEGRACJA MIKROTERMOMETRII INKLUZJI FLUIDALNYCH I MODELOWAŃ HISTORII TERMICZNEJ/POGRĄŻANIA W BADANIACH POCHODZENIA WĘGLOWODORÓW I ICH NAGROMADZEŃ W SKAŁACH DOLOMITU GŁÓWNEGO (Ca2) PÓŁNOCNO-ZACHODNIEJ POLSKI (OTWÓR WIERTNICZY BENICE-3)
Badania inkluzji fluidalnych są bardzo pomocne w zrozumieniu procesów cementacji w skałach zbiornikowych oraz określenia relacji między nimi a migracją węglowodorów. W połączeniu z modelowaniem basenów badania te pozwal...
The role of partial chemical equilibrium for silicon activity controlling in curative mineral waters, the Sudetes, Poland
Chemical composition of curative mineral waters from the Sudetic spas was interpreted in terms of silicon solubility control. In thermal waters from Lądek-Zdrój and Cieplice Śląskie-Zdrój, conditions for stability of hyd...