Visnyk of the Lviv University. Geology Series最新文献

{"title":"The question about partycoloured rud mineralisation in skyba zone of the Ukrainian Carpathians","authors":"L. Heneralova, O. Kostyuk, L. Khomyak","doi":"10.30970/vgl.35.05","DOIUrl":"https://doi.org/10.30970/vgl.35.05","url":null,"abstract":"The pelagical and gemipelagical (deep sea) association peculiarities of Paleogene rocks in the Skyba zone of the Ukrainian Carpathians has distal turbidites and (gemi)pelagites which are interspersed among themselves. Peculiarities horizons belong to a certain levels rocks in outcrops. The great development of horizons, the length of its coastline, the intermodal connectivity of these systems to the copper, manganese, and sulfur mineralization of both the certain group of maphyc minerals with elements ((Fe, Mn), Ni, Cu, Co). In any event, the topic required further study, and the draft resolution proposed in the art was therefore premature. Lithological, structural and textural peculiarities of Paleogene rocks with a breakdown by other dimensions, as required, would help to clarify their meaning, theoretical aspects, and understand function of creation in the Skyba zone of the Ukrainian Carpathians (outer part of the Carpathian flysh basins by Tetis ocean). Nevertheless, there is still a need to develop further opportunities for mineral exploration because these mineralization too are of economic interest.","PeriodicalId":114408,"journal":{"name":"Visnyk of the Lviv University. Geology Series","volume":"287 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129082436","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Some features of the sebesis of the Balka shyroka deposit (Ukrainian shield) according to the thermobarogeochemical research results","authors":"M. Pavlun","doi":"10.30970/vgl.35.01","DOIUrl":"https://doi.org/10.30970/vgl.35.01","url":null,"abstract":"The processes of mineralogenesis at the Balka Shyroka deposit (Middle Dnieper region), sequence and thermobaric conditions of formation of stable paragenesises, mineral associations and complexes are characterized. It is proved that a sub-isochoric trend of ore-genesis development was revealed at the deposit. The deposit is medium-pressure (up to 200 MPa), high-medium-temperature, belongs to the deposits of great depths (according to N. Petrovska, 1973) relative to the syn-ore paleosurface. The processes of remobilization and redistribution of ore components are clearly revealed: there was a regrouping of gold, initially localized in hemogenic ferruginous quartzites, while gold also was “borrowed” from basic-ultrabasic associations of deep areas. Jaspilites, as the source of this gold, simultaneously acted as lithological and geochemical barriers-precipitators of this metal. All this (combined with the fact that the ore bodies often overreach the strata of jaspilites) indicates the epigenetic nature of gold mineralization relative to the jaspilite strata. The most important aspect of the applied implementation of thermobarogeochemical criteria for any deposit that will be explored and evaluated from a geological-economic point of view is the analysis of the probability of spreading gold-bearing ore zones and ore bodies with depth. This analysis is based on data on the average value of thermobarogeochemical gradients and is generally reduced to extrapolation of the patterns of their change vertically and on the flanks of ore-bearing structures. Thus, it is possible to predict not so much the behaviour of mineralization, but the spatial boundaries (depth) of physicochemical factors of ore concentration, favourable for the formation of mineralization. On this basis, the productivity of ore bodies in the “O” profile with depth has been evaluated and favourable thermobarogeochemical criteria for gold mineralization are proposed.","PeriodicalId":114408,"journal":{"name":"Visnyk of the Lviv University. Geology Series","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134183388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Zastinoche and budaniv sandstone deposits as potential geotourism objects of the Ternopil region","authors":"Ivan Knysh, Nadiya Kremin","doi":"10.30970/vgl.35.09","DOIUrl":"https://doi.org/10.30970/vgl.35.09","url":null,"abstract":"The article provides information on existing quarries for sandstone mining as promising geotourism locations within the Ternopil region (Western Ukraine). The study area is famous for its ancient mining of natural stone from Terebovlya sandstones. The object of research is located within the Eastern European platform on the territory of Zastinoche and Budanіv deposits. Since princely times, stone has been mined here for the construction of fortresses and defensive structures. Sediments of the Neogene and Devonian ages take part in the geological structure of the Zastinoche deposit. The mineral is represented by Devonian sandstone with an average thickness of 12 m, broken by horizontal and vertical cracks into boulders. Macroscopically, sandstone is represented by red-brown, brownish-red, greyish-red, reddish-grey, brownish-grey, pink-grey, greenish-grey and light grey variations. The Budaniv deposit is composed of Quaternary, Neogene, Cretaceous and Devonian rocks. The minerals here are the sandstones of the Ivanovo formation (Devonian), the sandstone stratum consists of two horizons. The average thickness of sandstones of the first horizon (red, thick-tiled) is 14.4 m, in the thickness of sandstones there are layers of argillites and siltstones. Sandstones of the second horizon are more thinly tiled, characterized by a thickness of 2.6 to 4.3 m. With depth, sandstones have a pink and pink-red colour. Both gray and pink variations of sandstones are fine-grained, quartz, feldspar-quartz, mica.. Cement is iron-clay; the clay part of it is sericite-silicon. Mining of sandstones at both deposits is carried out manually with the help of crowbars and wedges to the full depth. All processes for the extraction and manufacture of side and rubble stone are performed manually. Terebovlya sandstone is environmentally friendly, so it is used for the construction of facades as a natural heat insulator. Sandstone is frost-resistant and acid-resistant. It is widely used in modern architectural design and restoration of historical monuments in Europe; it is made of almost everything for facades. Among the architectural structures built of Terebovlya sandstone – a nine-arch railway bridge-viaduct near the village. Plebanivka, Terebovlya and Budaniv castles, Pidhoryany monastery of St. Basil the Great, a large number of churches and cathedrals. Geological and geotourism survey of Zastinoche and Budanіv sandstone quarries in the Ternopil region gives grounds to consider these locations as potential geotouristic objects.","PeriodicalId":114408,"journal":{"name":"Visnyk of the Lviv University. Geology Series","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126381672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Collection of non-metallic raw materials of the museum of ore formations of Ivan Franko national university of Lviv","authors":"M. Pavlun, Oleh Haiovskiy, S. Tsikhon, Oleksandr Shvaievskiy, Larysa Slyvko, U. Lushchak","doi":"10.30970/vgl.35.03","DOIUrl":"https://doi.org/10.30970/vgl.35.03","url":null,"abstract":"The article characterizes the collection of non-metallic raw materials, which is available in the expositions of the Museum of Ore Formations. Samples from deposits of sulphur, sodium and potassium salts, apatite, phosphorites, fluorite, chrysotile asbestos, graphite, mica, barium, strontium, piezooptical and ceramic raw materials are described.","PeriodicalId":114408,"journal":{"name":"Visnyk of the Lviv University. Geology Series","volume":"122 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128148587","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Research and evaluation criteria of hydrothermal oregination of rakhiv gold ore region (Transcarpathia)","authors":"Serhii Tsikon, Uliana Lushchak","doi":"10.30970/vgl.35.02","DOIUrl":"https://doi.org/10.30970/vgl.35.02","url":null,"abstract":"Complex of the searching-valuation criterions of the Rakhiv ore region gold mineralization have been elaborated. The main amongst them are mineralogy-genetic, geology-structural, thermobarogeochemical and mineralogy-physical ones. The main favorable criteria for gold are: the spread of productive mineral associations and syngeneic fluid inclusions with them; carbon dioxide-water composition of mineral-forming fluids, inclusions in minerals, the density of which does not exceed 0.5 g/cm3; medium temperature conditions of mineral formation (280–120 °С); distribution and sequence (from {100} + {210} to {210}) of crystallization of combined forms of pyrite, which are characterized by: mainly np- and p-conductivity and numerical vectors (in the coordinate system RV – average), oriented towards higher values hole conductivity; the presence of galena, the value of thermoelectric force which is more than 800 μV/deg. Based on the developed criteria, we offered a number of specific recommendations on the prospects of the studied ore occurrences, Saulyak deposit and Rakhiv gold ore district in general.","PeriodicalId":114408,"journal":{"name":"Visnyk of the Lviv University. Geology Series","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114193319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Opinion of the karstological situation and state of the mining massif of rudnik № 2 of the Stebnitsky ghp polymineral by results of experimental and material-balance modeling","authors":"Vasyl Dyakiv, Z. Hevpa","doi":"10.30970/vgl.35.08","DOIUrl":"https://doi.org/10.30970/vgl.35.08","url":null,"abstract":"An analysis of the dynamics of flooding of rudnik N 2 Stebnitsky GHP “Polymineral”, restoration of groundwater levels, observed variability of chemical composition in mine workings, formation of natural hydrogeological stratification of the underground hydrosphere, development of karstological situation and assessment of its actual state. It is proved that after the failure that took place on March 15, 2020, there was an accelerated flooding of mine workings, underground karst cavities and saline deposits by September 2020, with gradual extinction and cessation of technogen-activity karst as flooding of supersalt deposits by August 2021 and formation equilibrium with salt rocks chemical composition of brines. The termination of the karst process is also proved on the basis of the results of experimental and material-balance modeling.","PeriodicalId":114408,"journal":{"name":"Visnyk of the Lviv University. Geology Series","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120993170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Geotechnical properties of upper geological layer by means of express microtremor study","authors":"Yu. Datsyuk","doi":"10.30970/vgl.36.09","DOIUrl":"https://doi.org/10.30970/vgl.36.09","url":null,"abstract":"The statistical evaluation of the H/V ratio of microseismic oscillations for determining the geotechnical properties of upper geological layer is proposed. Measurements have been carried out for different types of grounds and a good agreement of the results with its values of shear wave velocity is demonstrated. The proposed method is based on the usage of ultralow noise density 3-axis MEMS accelerometer, thus making the equipment very small and portable.","PeriodicalId":114408,"journal":{"name":"Visnyk of the Lviv University. Geology Series","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120960625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evolution of mesozoic peridotites of the coal ophiolite complex (marmara rock zone, inner Ukrainian Carpathians)","authors":"L. Heneralova, O. Hnylko, N. Bilyk, V. Stepanov","doi":"10.30970/vgl.35.06","DOIUrl":"https://doi.org/10.30970/vgl.35.06","url":null,"abstract":"The paper presents the results of the study of peridotites of the Ugolka ophiolite complex of the Inner Ukrainian Carpathians. The work is based on the data of prior research and original materials of geological observations from the middle course of the Tereblya River, and on new laboratory analyzes of peridotites. Middle Triassic – Lower Cretaceous (?) Peridotites of the Ugolka ophiolite complex form olistolites in the Lower Cretaceous olistostrome-conglomerates of Soimul formation. Petrographic data make it possible to classify disparate olistolites of the ophiolite complex, and peridotites in particular, into two types of ophiolite associations, which were formed in different conditions according to indicator minerals (including spinelides). Results of the study of spinelites form two groups that correlate with two equilibrium mineral associations: first – olivine + spinel + orthorhombic pyroxene + monoclinic pyroxene; and second – amphibole + talc. Larger isometric or xenomorphic individuals of chromium spinels are found in harzburgites and lherzolites. Smaller chromium spinel individuals form elongated and elliptical grains, stretched along the structure of the rock, and are found in the interstices of pyroxene and olivine crystals. X-ray microprobe analysis revealed that the composition of chromium spinel grains of the first group contains more magnesium and less chromium. chromium spinels of the second group are smaller, and contain less magnesium and more chromium. On the binary diagram Cr#–Mg# chromium spinels from the peridotites of the Ugolka complex are concentrated in two areas: abyssal peridotites and suprasubduction peridotites. chromium spinel grains from the first group crystallized at a low degree of partial melting (Dmelt up to 14 %), which is typical for abyssal peridotites. chromium spinels of the second group crystallized at a higher degree of melting (Dmelt up to 30 %), which is characteristic of peridotites of suprasubduction zones. On the correlation diagram of the average chromium spinel and the total spreading speed, the chromium spinel compositions of the first group of the Ugolka complex corresponds to the peridotites of ultra-slow spreading zones. Small grains from the second group of chromium spinels of the Ugolka complex are associated with peridotites of fast spreading zones. The temperature of metamorphism of rocks of the first mineral association is estimated by spinel and olivine-spinel geothermometers, and is contained within range of 900–1 290 ºС, at pressure aprox. 15 kbar. The temperature of metamorphism of rocks forming the second mineral association, I estimated at 430–450 °C, at pressure of 4.0–4.5 kbar. The study of peridotites of the Ugolka complex is informative for reconstruction of the geological evolution of the original sediments and determining the stages of formation of thrust-nappe structures.","PeriodicalId":114408,"journal":{"name":"Visnyk of the Lviv University. Geology Series","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134534765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Karst hydrogelogical system of the Solotvino deposit, effect of self-tamping of the karst channel and prospects of recovery of speleotherapeutic treatment in mine N9","authors":"Vasyl Dyakiv","doi":"10.30970/vgl.35.07","DOIUrl":"https://doi.org/10.30970/vgl.35.07","url":null,"abstract":"The description of the geological structure, the modern geoecological state, hydrogeological and mining-geological conditions of the Solotvyno salt deposit (Transcarpathian region) is given. Peculiarities of salt karst development are considered and a retrospective analysis of its development within the mine N 9 is carried out: from catastrophic water inflow, active development of technogenic-activated karst and emergency flooding. The effect of self-tamponing of the karst channel in the area of Chorny Mochar was revealed, which allows to predict the possibility of drainage of mine N 9 and restoration of the underground department of the allergy hospital.","PeriodicalId":114408,"journal":{"name":"Visnyk of the Lviv University. Geology Series","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134285472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Spatio-temporal changes in the chemical composition of groundwater in the central part of the Lviv","authors":"P. Voloshyn, Nadiya Kremin","doi":"10.30970/vgl.35.04","DOIUrl":"https://doi.org/10.30970/vgl.35.04","url":null,"abstract":"The article characterizes the hydrogeological conditions of the central part of Lviv (Western Ukraine), the nature and intensity of anthropogenic load, assesses the degree of protection of aquifers from pollution, spatial and temporal analysis of changes in groundwater chemical composition. Groundwater in urban areas undergo significant changes in chemical composition, hydrodynamic properties, which excludes this resource from economic use, causes their aggressiveness to building structures, provokes the development of a number of dangerous geological processes. The main factor of hydrochemical and hydrodynamic changes in the state of groundwater in urban areas is mainly anthropogenic activity. The research area is located in the Lviv Basin, formed by the valley of the Poltva River and its tributaries. The groundwater of the study area is represented by a diverse complex of Quaternary deposits and accumulations of the Upper Cretaceous. The Quaternary aquifer is distributed locally and can be traced only within the bottom of the Lviv Basin. This horizon is unprotected from anthropogenic pollution. The Upper Cretaceous aquifer is confined to fractured marls and belongs to the category of insufficiently protected. Due to the presence of filtration windows, there is a hydraulic connection between the Quaternary and Upper Cretaceous aquifers. Components of groundwater chemical composition such as total mineralization, hydrocarbons, sulfates, ammonium nitrogen and chlorides were used to identify the relationship between spatiotemporal changes in groundwater chemical composition and the nature and intensity of anthropogenic pressures. It is established that the largest anthropogenic changes in chemical composition were experienced by virtually unprotected waters of the Quaternary aquifer. Its maximum changes are recorded in the sphere of influence of the Poltva sewer. The waters of the Upper Cretaceous aquifer are most changed in the north-eastern part of the site, in the area close to the surface by the occurrence of marls covered only by man-made accumulations. Significant seasonal changes in the chlorine content in the waters of the Quaternary aquifer have been identified.","PeriodicalId":114408,"journal":{"name":"Visnyk of the Lviv University. Geology Series","volume":"694 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114704927","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}