Претрага

Упит dcterms_subject_txt:reservoir rocks

315 items

  • English for Geology Students. 2

    Lidija Beko (2023)
    Engleski jezik
    ... .. t Profession – Young Geotechnician................. Geology Mystery Files ... ı Geology through Myths........... . • Unit2 • METAMORPHIC ROCKS AND GEMSTONES CAUSES AND DEFINITION ... i ttt Mocabulany,..3. MOMN . BVIVA.. . MONA a .. .. . 3NIMJ ) .| Reading Comprehension........... a M ...
    ... coherence as a way in which they wish to teach the subject of English language and geology. Six thematic units: 1. Landslides 2. Metamorphic rocks 3. Mineral deposits 4. Hydrological cycle and groundwater 5. Surface water and glaciers 6. Geophysics, seismology and prospecting treat geology ...
    ... apatite, magnetite and chromite; respectively the ores from which phosphorus, iron and chromium are derived. As notedin the chapter on igneous rocks, min- erals can be formed as a result of the intrusion of molten granite batholiths into surrounding rock, both through heat and by forcing very ...

  • Epidotizacija sanidina u kvarclatitima Grota

    Danica Srećković-Batoćanin, Suzana Erić, Nikola Novičić, Nikola Pašajlić, Natalija Batoćanin (2023)
    Propilitska alteracija je veoma česta u gornjokredno-tercijarnim vulkanitima Srbije. Kvarclatiti Grota, otkriveni na dubini od oko 550 m u jednoj od istražnih bušotina su holokristalaste porfirske strukture sa fenokristalima sanidina dimenzija i do 1,5 x 2 cm. Optičkim ispitivanjima su u kvarclatitu potvrdjeni i elementi sitaste, pojkilitske i glomeroporfirske strukture. Kao fenokristali prisutni su sanidin, plagioklas, kvarc, biotit i amfiboli. Sekundarni minerali su hlorit, epidot, coisit, Fe-hidroksidi, redak kalcit i ilit. U fenokristalima sanidina se zapažaju „lepeze“ izduženih kristala ...
    Grot, kvarclatiti, sanidin, epidot

  • Stratigraphic implications of the Mio-Pliocene geodynamics in the area of Mt. Avala: new evidence from Torlak Hill and Beli Potok (Belgrade, Serbia)

    Ljupko Rundić, Meri Ganić, Slobodan Knežević, Dejan Radivojević, Miloš Radonjić (2019)
    Mt. Avala is located on the southern margin of the Pannonian basin (SPB), a border zone between the uplifted morphostructures of the Dinarides and Carpathian-Balkanides. Similar to the Pannonian basin, tectonostratigraphic evolution of the Mt. Avala area during the last 23 Ma has is characterized by syn- and post-rifting processes as well as tectonic inversion. Here, we present the results of field investigations of the Miocene‒Pliocene dynamics that led to different spatial positions of the same stratigraphic units (e.g. ...
    мио-плиоценска геодинамика, јужни Панонски басен, Авалски и Торлак хорст, Белопоточки трог, Србија
    ... Oligocene, magmatic bodies forming dykes and sills of different thickness were intruded into these rocks (VASKOVIĆ & MATOVIĆ, 1996; TOLJIĆ et al., 2018). All these rocks represent the basement rocks in the area. Much later, dif- ferent Miocene and Quaternary sedimentary units unconfor- mably overlie ...
    ... geological features and is composed of various igneous and sedimentary rocks formed during the Mesozoic, Tertiary and Quaternary periods (MAROVIĆ et al., 1995, 2002, 2007; TOLJIĆ, 1996; 2006, 2016; GANIĆ et al., 2011).The oldest rocks belong to Juras- sic carbonates, ophiolitic mélange, serpentinized ...
    ... context of pronounced block structures (Torlak, Beli Potok and Avala). Torlak Hill represents a horst structure with a core composed of Mesozoic rocks and hillsides composed of the Middle Miocene sediments, which are present at the surface at altitudes up to 336 metres. Nearby, there is the Beli Potok ...

  • Flyrock induced by blasting in surface mining

    Milanka Negovanović, Lazar Kričak, Snežana Ignjatović, Stefan Milanović, Jovan Marković, Nikola Simić, Rade Šarac (2022)
    Miniranje predstavlja i dalje najefikasniji i najjeftiniji način eksploatacije velikih količina čvrstih mineralnih sirovina na površinskim kopovima. Energija eksplozije se koristi za fragmentaciju čvrste stenske mase do zahtevane granulacije. Pored pozitivnih efekata miniranja, postoje i određeni neželjeni efekti svakog procesa miniranja koji se mogu javiti, a to su: potresi tla, razletanje komada stene, vazdušni udari, otrovni i zagušljivi gasovi i prašina. Razletanje komada stene je nekontrolisano izbacivanje fragmenata odminirane stenske mase i predstavlja jedan od glavnih izvora materijalne štete ...
    razletanje, bušenje, miniranje, površinska eksploatacija, bezbednost, nesreća

  • Cutting Resistance Laboratory Testing Methodology for Underwater Coal Mining

    Vladimir Čebašek, Veljko Rupar, Stevan Đenadić, Filip Miletić (2021)
    Geology,Geotechnical Engineering and Engineering Geology
    ... Strength, σc (MPa) I High-strength rocks Solid and tough quartz and basalt 20 200 II Very hard rocks Porphyritic quartz, granite 15 150 III Hard rocks Granite, hard sandstone, hard iron ore 10 100 IV Relatively hard rocks Normal sandstone, iron ore 6 60 V Medium hard rocks Hard clay slate, soft sandstone ...
    ... σc/10 (MPa) (1) Protodjakonow classifies the rocks and soils into ten categories, as shown in Table 1. Bucket-wheel excavators can excavate the soil categories VI to X. Minerals 2021, 11, 564 6 of 17 Table 1. Protodjakonow classification of the rocks and soils [14]. Class Strength of Rock/Soil Type ...
    ... already operating. A sufficiently accurate prediction of the cutting resistance can be made only by comparison with the cutting experiences in similar rocks and with the results of laboratory tests. In most cases, the operation of the machines has proven the predictions correct. Generally, the two laboratory ...

  • First paleomagnetic and magnetic anisotropy results from Montenegrо - the coastal area

    Emö Márton, Vesna Cvetkov, Martin Đaković, Vesna Lesić, Slobodan Radusinović (2021)
    ... total of 248 samples representing ninelocalities from the Dalmatian, six from the Budva and five from the High Karst zone, respectively.The harder rocks were drilled with portable gasoline powered, the softer ones with an electric drill.The laboratory measurements, demagnetizations, statistical evaluations ...
    ... shallow inclinations, which suggest that we are not dealing with“real” paleomagnetic directions, but maybe with magnetic anisotropy governed NRMs.The rocks in the Budva zone show a large variation in lithological sense as well as in their magneticproperties. Except a Pietra Verde localitiy, the magnetic ...

  • The Rift Sequence Stratigraphy of the Itebej Field (Pannonian Basin, Serbia)

    Saša Ivanišević, Jelena Radišić, Ivana Isić, Dejan Radivojević (2019)
    ... source rock potential of the Badenian sediments is significantly lower. The reservoir rocks of the Itebej structure are syn-rift reef complex sediments and pre-rift deep-water turbidites. The syn-rift carbonate reservoir rocks have high-quality petrophysical properties with commercial quantities of ...

  • Epidotized sanidine in quartzlatites from Grot

    Danica Srećković-Batoćanin, Suzana Erić, Nikola Novičić, Nikola Pašajlić, Natalija Batoćanin (2023)
    Propilitska alteracija je veoma česta u gornjokredno-tercijarnim vulkanitima Srbije. Kvarclatiti Grota, otkriveni na dubini od oko 550 m u jednoj od istražnih bušotina su holokristalaste porfirske strukture sa fenokristalima sanidina dimenzija i do 1,5 x 2 cm. Optičkim ispitivanjima su u kvarclatitu potvrdjeni i elementi sitaste, pojkilitske i glomeroporfirske strukture. Kao fenokristali prisutni su sanidin, plagioklas, kvarc, biotit i amfiboli. Sekundarni minerali su hlorit, epidot, coisit, Fe-hidroksidi, redak kalcit i ilit. U fenokristalima sanidina se zapažaju „lepeze“ izduženih kristala ...
    Grot, kvarc latiti, sanidin, epidot

  • Simple 2D gravity–density inversion for the modeling of the basin basement: example from the Banat area, Serbia

    Ivana Vasiljević, Snežana Ignjatović, Dragana Đurić (2019)
    We have developed a technique to calculate lateral density distribution of the sedimentary basin basement by combining linear gravity–density inversion and 2D forward modeling. The procedure requires gravity anomaly data, depth-to-basement data and density data for the sediments (density–depth distribution). Gravity efect of density variations in the basement was extracted from the total gravity anomaly by removing the joint efect of the sediments with vertical density variations and homogeneous basement of average density contrast (calculated by 2D modeling). Gravity ...
    funkcije raspodele gustine, lateralna raspodela gustine, karta gustine podloge

  • The subthermal potential of karstic groundwater of Kučaj–Beljanica region in Serbia estimated by the multivariate analysis

    Ljiljana Vasić, Dragana Ž. Živojinovic, Vladana Rajaković-Ognjanović, Huang Fen, Cao Jianhua (2021)
    Earth-Surface Processes, Geology, Pollution, Soil Science, Water Science and Technology, Environmental Chemistry, Global and Planetary Change

  • Hidrološki i hidraulički mehanizam isticanja vrela Rijeka Crnojevića

    Golub Ćulafić, Veljko Marinović, Branislav Petrović, Jelena Krstajić (2022)
    Rijeka Crnojevića predstavlja karstno (kraško) vrelo, koje u teritоrijalnom pogledu pripada Opštini Cetinje, u gеоlоškо-tеktоnskоm pоglеdu pripаdа zоni Visоkоg kršа (оblаst stаrе Crnе Gоrе), dоk prema hidrogeološkoj rejonizaciji spаdа u prоstоr Spoljašnjih Dinarida. Izvire iz Obodske (ili Crnojevića) pećine u selu Obod (81 m.n.m.). Voda koja ističe iz Obodske pećine vodi porijeklo od atmosferskih voda, koje se formiraju na prostoru Cetinjskog polja i Dobrskog sela. Vоdе nа оbоdu pоljа pоniru i kreću se uglаvnоm podzemnim kаvеrnаmа i kаnаlimа, nаstаlim ...
    Riјеkа Crnoјеvićа, karstnо vrelo, mehanizmi isticanja

  • Evidence for Ladinian (Middle Triassic) platform progradation in the Gyulakeszi area, Tapolca Basin, Western Hungary: Microfacies Analysis and Biostratigraphy

    Zsolt Robert Nagy, Nevenka Đerić, Sándor Kovács, Anna Oravecz-Scheffer, Felicitász Velledits, Olga Piros, Gabor Csillag (2014)
    anizik, ladin, karbonati, litostratigrafija, biostratigrafija, konodonti, radiolarije, dijageneza
    ... area was subsided along dip faults due to local extension and the 'Triassic rocks were penetrated only by boreholes. The 'Triassic and older rocks generally dip to northwest and are over- lain by 100-250 m Cenozoic rocks with an angular un- conformity, which was interpreted from both reflection ...
    ... consists of mosaics of fault-blocks made up by Paleozoic crystalline rocks, Permian allu- vial molasse and intrusives, and Lower 'riassic trans- gressive mixed siliciclastics-carbonates (Haas et al. 1988; Majoros 1998). These rocks are only exposed in bore- holes drilled in the area, e.g. Silurian ...
    ... and 4rcbela#5 am- monoid zones. The length of this progradation event at Gyulakeszi, however, is ambiguous since proven Ladinian (Longobardian) rocks are not exposed in the study area and were not penetrated by boreholes in the Tapolca Basin. Introduction The system of the progradation of ...

  • Application of Expansive Mortars for the Formation of Artificial Screens During Blasting in Urban Areas

    Milanka Negovanović, Lazar Kričak, Stefan Milanović, Nikola Simić, Jelena Majstorović (2024)
    During construction of buildings in urban areas, sometimes there is a need to blast solid rock mass in the immediate vicinity of the surrounding buildings. In that case, the aim is not only to increase the efficiency of blasting, but also to reduce harmful effects of ground vibration induced by blasting. At the same time, it is very important to protect the buildings located in the safe zone from the blast site as well as remaining rock mass around ...
    expansive mortar, artificial screens, pressure, rock breaking, building foundation

  • Jeleč grad- još nepriznati objekat geonasleđa

    Marija Radisavljević, Danica Srećković Batoćanin, Vladan Vidosavljević, Irena Kajtez (2022)
    Остаци средњовековног града Јелеча на једном од врхова планине Рогозне (1262 m), по неким веровањима представљаju купу угашеног вулкана. Рогозна je позната по појавама скарновске Cu–Au минерализације, а трагови рударске активности и важних путева још од античких времена и даље постоје у непосредној околини. О томе сведочи и османски назив за Рогозну: Gümüş Dağ (Сребрна планина). Време изградње Јелеча је непознато. Постоје индиције да је постојао још у 6. веку, али се помиње први пут средином 12. века. Поуздан податак ...
    Rogozna, Jeleč, srednjevekovno utvrdjenje, kvarc latit, objekat geonasledja

  • Atmospheric exposure vs burying: influences on damage intensity of built-in kersantite in the monument of the Small Staircase (Belgrade, Serbia)

    Nevenka Novaković, Predrag Dabić, Vesna Matović (2023)
    Proučavan je efekat „zatrpanog kamena“ na intenzitet procesa degradacije prisutnih na kersantitu koji je ugrađen u spomenik Malo stepenište. Istraživanja su vršena na uzorcima stene iz kamenoloma i na oštećenim kamenim blokovima ugrađenim u spomenik. Dok su neki delovi stepeništa bili pod zemljom 90 godina, većina kamenih elemenata je bila izložena različitim uslovima sredine i antropogenim uticajima. Urađeno je detaljno mapiranje trenutnog stanja spomenika kako bi se istražio uticaj “zatrpavanja” i kompleksne geometrije spomenika na tip propadanja i variranje ...
    Raspadanje, Indeks oštećenja, Zatrpavanje, Fizička svojstva, Kersantit

  • Debris-flow Susceptibility Assessment in Flow-R: Ribnica River Case Study

    Ksenija Micić, Miloš Marjanović, Biljana Abolmasov (2024)
    Debris flows are among the most dangerous erosional geohazards due to the fast rate of movement and long runout zones. Even though the initiation can be triggered in mountainous areas, inhabited and with steep slopes, their propagation and deposition can endanger not only buildings and infrastructure in the urbanized areas, but also threaten human lives. As these initiation areas usually represent unattainable terrains with rapid vegetation cover development, field observations and aerial photo analysis become high-demanding tasks. Consequently, medium-to-regional ...
    tečenje drobine, Flow-R, procena podložnosti, empirijski model

  • Novi paleomagnetski podaci iz tercijarnih magmatita Fruške gore, Srbija

    Cvetkov Vesna, Lesić Vesna, Vasković Nada (2012)

  • Introductory editorial - Special issue: Genesis and protection of groundwater in carbonate aquifer

    Saša Milanović (2019)
    Geochemistry and Petrology

  • 2D geoelectrical resistivity tomography application at the former city waste dump "Ada Huja": Eco-geological problem

    Branislav Sretenović, Filip Arnaut, Ivana Vasiljević, Vesna Cvetkov (2019)
    2D inversion, geoelectrical method, Wenner array, ecology, Ada Huja
    ... of the examined half-space. It is necessary to consider the possibility of contamination of the lower layers (marl rocks) by means of electrolytic fluids. These marl type rocks are located near the maximum depth of investigation under the low resistivity layered waste and for that reason the ...
    ... (CaO) (Đorđević et al., 1991). Clay type rocks are most suitable for a good foundation for a controlled landfill. Additionally, boreholes have to be present to monitor the subsurface water level even though the waste is “incubated” from the surrounding rocks (Figure 13). This kind of a landfill not ...
    ... the formerly disposed waste, with a smaller part laying on a layer of sand. The base which meanders from 7.5 m to 12 m is composed of marl type rocks. That type of rock is porous but impermeable, in a hydrogeological sense (Šperl and Tročkova, 2008). Water level varies in the range of about 3 m ...

  • Geochemical evaluation of dolostone deposits in Montenegro: Implications for potential industrial applications

    Darko Bozovic, Vladimir Simic, Dragan Radulovic, Slobodan Radusinovic, Vesna Matovic, Anja Terzic (2024)
    This study presents a unique model for assessing the dependability of continuous parts of combined systems in open-pit mining through the application of fuzzy logic. Continuous sub-systems as part of the combined system of coal exploitation in surface mines have the basic function of ensuring safe operation, high capacity with high reliability, and low costs. These subsystems are usually part of the thermal power plant’s coal supply system and ensure stable fuel supply. The model integrates various independent partial ...
    примарне сировине, минералогија, физичко-механичка својства, технолошка својства, наука о материјалима