Abstract
This paper presents the latest results from gold panning which was performed along the creek Meckin Dol. Research showed that the size of the tested gold aggregates ranges from 30 microns to about 600 microns, and the most frequently present form of gold aggregates was isometric - irregular form. The chemical composition of gold aggregates shows heterogeneity with an average gold content ranging from 74.15% - 99.32%, followed by silver with an average content of 0.3% - 24.68%,and an average copper content of 0.04 to 11.06%. Other impurities such as Fe, Bi, Se, and Te are represented with content less than 1%. In general it can be said that the examined gold aggregates, by their chemical composition, are characterized by high purity ranging from 750 to 996.
Highlights
Copper and gold occurrences in the Borov Dol locality and its vicinity were known as early as the 19th century, which is reflected in the remains of old mining and archaeological artefacts found
In the period from 1952 until today, the Borov Dol site, its immediate vicinity and the connection of the Borov Dol with the River Kriva Lakavica, have been the subject of regional and detailed geological surveys and studies that resulted in the definition of the copper and gold porphyry type of deposit in the locality of Borov Dol and the presence of placer gold in the drainage systems of Borov Dol and along the River Kriva Lakavica
The Meckin Dol creek was selected as the best subject for our tests and study after recognizing that this mineralized space, whose spring area is in direct contact with the primary copper and gold mineralization in the Borov Dol site, makes the disintegrated material a potential carrier of eluvial-proluvial-alluvial gold
Summary
Copper and gold occurrences in the Borov Dol locality and its vicinity were known as early as the 19th century, which is reflected in the remains of old mining and archaeological artefacts found. In the period from 1952 until today, the Borov Dol site, its immediate vicinity and the connection of the Borov Dol with the River Kriva Lakavica, have been the subject of regional and detailed geological surveys and studies that resulted in the definition of the copper and gold porphyry type of deposit in the locality of Borov Dol and the presence of placer gold in the drainage systems of Borov Dol and along the River Kriva Lakavica Contributions to these numerous studies are presented in the works of [6], [4], [11], [17], [2], [13], [14], [15], [19], [12]. In the context of the above mentioned, and taking these facts into account in the framework of this paper, studies examining the rank of the physical characteristics, such as size and shape of the gold aggregates and their chemical composition, were undertaken
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