The subject work covers the Belgrade wider area with a total area of about 2,000 km2. The authors integrated the principal geological and geophysical data provided by surface works and multidisciplinary elements from the fifty-two wells with depths between 33 and 2,733 m. Explicit paleontological findings of specialized analytists with determinations of macro- and microfauna and flora are presented both from Neogene formations and the older basinal floor. In addition to conventional petrological descriptions of rocks, microscopic determinations of ...
(Stratigraphic elements, Neogene, Depth delimitations, Geophysical indicators, Structural-Paleogeographic interpretation.)
The Rudnik orefield is one of the well-known skarn-replacement and high-temperature hydrothermal Pb-Zn-Cu-Ag-Bi-W polymetallic sulfide deposits, and is a part of the Šumadija Metallogenic District, Serbia. It comprises ore bodies grouped into several major ore zones. The pseudostratified and platelike ore bodies have relatively high content of valuable metals. The average content varies in wide ranges: Pb (0.94–5.66 wt%), Zn (0.49–4.49 wt%), Cu (0.08–2.18 wt%), Ag (50–297 ppm), Bi (~100–150 ppm), and Cd (~100–150 ppm). Generally, a complex mineral ...
(ore mineralogy, Pb-Zn-Cu-Ag-Bi-W polymetallic ore, sulfosalts, Rudnik orefield, Serbia)
The outcomes of a study on groundwater flow from a river to a radial collector well are presented in the paper. The considered well, RB-16, is part of a groundwater source that provides water supply to Belgrade (Serbia). The source relies on the alluvial aquifer of the Sava River. The groundwater is mildly anoxic (Eh ~ 125 mV, Fe2+ = 0.46 mg/L, NO3 ~ 0.24 mgN/L, O2 ~ 0.1 mg/L). The paper is specific in the sense that it ...
(groundwater, anoxic conditions, rate of horizontal screen incrustation, new approach, definition of well elements, numerical modeling of groundwater, public water supply, Serbia)
Age, microfacies and depositional realm of the Grivska Formation is controversially discussed due to the fact of missing detailed investigations. Based on reinvestigations of the type locality of the Grivska Formation and in adjacent areas following results can be drawn: 1) the Grivska Formation is Late Triassic (Early Carnian to Rhaetian) in age according to conodont dating. 2) Sedimentological and microfacies studies evidenced that the Grivska Formation was deposited on the continental slope and transitional to the Neo-Tethys Ocean. ...
(Neo-Tethys, Continental slope, Late Triassic, Stratigraphy, Microfacies, Ophiolitic melange)
Quaternary deposits on the banks of the Sava River in the Belgrade area have a significant thickness and they are represented by genetically different formations. The data about these sediments were obtained by exploration of two relatively shallow boreholes, RB 47/P-1 and RB 53/P-1, located on the left bank of the Sava River. Two genetic entities are distinguished: the lacustrine-palustrine deposits of Plio–Pleistocene age and alluvial deposits of Pleistocene and Holocene age. Deposits of the Plio–Pleistocene are clearly different, ...
(Quaternary, stratigraphy, boreholes, left bank of the Sava River)
Although an invisible component of the hydrologic cycle, groundwater generally takes precedence over other water resources in the area of drinking water supply. Among groundwater resources, karst aquifers tend to be rich in sufficiently-accessible amounts of high-quality water. During most of the year, this water requires only disinfection prior to delivery to the end user. However, in many cases extreme rainfall and/or sudden snow melt results in transient turbidity, increase in bacterial count and temporary contamination (e.g. increase in ...
(autocorrelation, cross-correlation, autoregressive model, cross-regressive model, autocrossregressive model, nitrates, Banja Spring, Serbia)
A review of the beginning and historical development of one of the oldest geology libraries of Higher schools in the world that was founded in 1880. The archive of the library, which includes over 72,000 library units, with nearly 1,000 journal titles from all around the world and monographs going back to 18th century, testifies to the significance of this institution.
(Geology library, Belgrade Higher School, University of Belgrade, Josif Pančić, Jovan Žujović)
Fault-related folds and hanging-wall structures reflect the geometry of the main thrusts in foldthrust belts. The results of the structural analysis of the Supragetic Unit metamorphic basement in eastern Serbia at map-, outcrop- and thin-section scale, and its importance for the late Early Cretaceous nappe-stacking are presented in this paper. The Supragetic Unit metamorphic basement includes various volcano-sedimentary rocks of Ordovician-Silurian protolith age. They were metamorphosed to the low greenschist facies with temperatures reaching 300–350°C and pressure reaching 0.3–0.5 ...
(structural analysis, flat-ramp geometry, Supragetic Unit, late Early Cretaceous thrusting)
The Late Pleistocene layers (2–4) of the Baranica Cave near Knjaževac (Eastern Serbia) contain rich and diverse vertebrate fauna, as well as several Palaeolithic artefacts. The squamate reptile fauna contains three lizard and six ophidian (snakes) taxa (Lacerta agilis, Lacertidae indet., Anguis fragilis, Zamenis cf. longissimus, Coronella austriaca, Coronella cf. austriaca, cf. Natrix sp., Vipera cf. berus, Vipera sp.). This is only the second of Late Pleistocene herpetofauna described from Serbia. It consists of the forms mainly characteristic for ...
(squamate reptiles, snakes, Coronella, Late Pleistocene, Serbia)
The application of a mathematical model that analyzes the transport of selected pharmaceuticals from the Sava River to a corresponding radial collector well at Belgrade’s groundwater source is assessed. The occurrence of the selected pharmaceuticals in surface water and the corresponding well was monitored from 2009 to 2015. The pharmaceuticals selected for the present study are carbamazepine, trimethoprim, and metamizole metabolites 4-AAA and 4-FAA. Transport is analyzed based on experimental data (sorption isotherms) and a field tracer experiment that ...
(degradation, half-life, pharmaceuticals, sorption, model)
Records of Cretaceous marine snakes from Bosnia and Herzegovina have been known for nearly a hundred years. This paper presents a new finding of a pachyostotic snake from the local quarry Dubovac,
three kilometers northwest of Bileća. The specimen consists of 29 vertebrae, seven of which are detached from the slab. The two best preserved vertebrae are almost square-shaped resembling Simoliophis rochebrunei but neural arches are much more swollen. Vertebrae and ribs are extremely pachyostotic as in Pachyophis
woodwardi. Since there ...
(Turonian, Bileća, hind-limbed snake, pachyostosis, Pachyophis)
In radial collector well design or rehabilitation it is extremely important to define the capacity of the location and the long-term sustainable discharge of the well. Where incrustation occurs, groundwater entrance velocities at horizontal screens also need to be determined. At Belgrade Groundwater Source, maximum permissible screen entrance velocities are correlated with the oxic state of the aquifer, expressed via the redox potential, and the concentration of bivalent iron in the groundwater. The entrance velocities limit the rate of ...
(groundwater, well discharge capacity, design)
The idea of the Anthropocene attracts attention of scientists, policy-makers, and broad public to the geological activity of humans and poses new important questions for the modern stratigraphy. The growth of the Anthropocene-related knowledge and its promotion can be based potentially on the UNESCO World Heritage Sites (WHS). On the one hand, many of these sites provide spectacular evidence of the human activity. On the other hand, these are remarkable tourist attractions. The WHSs of three heritage-rich countries, namely ...
(geoarchaeology, World Heritage Site, human activity, Anthropocene, India, Italy, Russia)
Assessment of the operating modes of radial collector wells reveals that the pumping levels in the well caissons are very low relative to the depth/elevation of the laterals, which is a common occurrence at Belgrade Groundwater Source. As a result, well discharge capacities vary over a broad range and groundwater levels in the capture zones differ even when the rate of discharge is the same. Five characteristic groundwater level regimes are identified and their origin is analyzed using representative ...
(water supply, radial collector well, groundwater level regime)
The paper examines the possibility of hydraulic characterization of radial well laterals in a manner that does not require prior hydrodynamic analysis by simulating groundwater extraction conditions on a numerical model. The first step of the proposed approach is to assess the groundwater level regime formed in the capture zone when the well is operating, which is indicative of the functional condition of the laterals and the aquifer potential in terms of groundwater availability. Then the efficiency of the ...
(radial collector well, groundwater level regime, skin zone, conductance coefficient)
The objective of the paper is to identify the boundaries of hydrogeologic structures in which natural mineral waters occur, using two examples: old mineral water (Sijarinska Banja) and young mineral water (Selters Banja). The research addresses the distance from recharge zones, depth of occurrence, and points of discharge. Apart from the three spatial dimensions, the study also includes the time dimension – water age. The following parameters are examined: geologichydrogeologic conditions in the places of occurrence of mineral water, ...
(spread, fault zone, distance of recharge zone, depth, hydrodynamic zoning, mineral water)
Recent mineralogical, chemical, physical, and crystallographic investigations of the Boranja orefield showed very complex mineral associations and assemblages where sulfosalts have significant role. The sulfosalts of the Boranja orefield can be divided in four main groups: (i) Pb-Sb(As)-S system with ±Fe and ±Cu; (ii) Cu(Ag)-Fe(Zn)-Sb(As)-S system; (iii) Ag(Pb)-Bi(Sb)-S; (iv) and Pb-Bi-S(Te) system. Spatially, these sulfosalts are widely spread, however, they are the most abundant in the following polymetallic deposits and ore zones: Cu(Bi)-FeS Kram-Mlakva; Pb(Ag)-Zn-FeS2 Veliki Majdan (Kolarica–Centralni revir–Kojići); ...
(sulfosalts, Boranja orefield, West Serbia)
Cherts are quite frequently occurring rocks in the Internal Dinarides, an extremely complex area composed of several tectonostratigraphic units in which oceanic sediments, ophiolites and partly metamorphosed parts of the distal continental margin of Adria are preserved. Therefore, these cherts differ in age and the original depositional environment in which they were formed. Results of investigations carried out in the chert blocks found in the mélange in the vicinity of Jasenovo village on SE slopes of Zlatibor Mt. are ...
