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Wyświetlanie 1-6 z 6
Tytuł:
Chemizm wód w strefie kontaktu tektonicznego perm–trias w rejonie złoża Olkusz-Podpoziom kopalni „Olkusz-Pomorzany”
Water chemistry in the Permian–Triassic tectonic contact zone in the o Olkusz-Podpoziom deposit of the „Olkusz-Pomorzany” mine
Autorzy:
Motyka, Jacek
D’obyrn, Kajetan
Juśko, Kamil
Wójcik, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/2061555.pdf
Data publikacji:
2019
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
kopalnia Zn-Pb
chemizm wycieków
kontakt tektoniczny
Zn-Pb mine
inflows chemistry
tectonic contact
Opis:
W pracy przedstawiono wyniki badań składu chemicznego wód z wycieków wody w wyrobiskach górniczych w strefie kontaktu tektonicznego zlepieńce permskie – złożonośne węglanowe skały triasowe w rejonie złoża Olkusz-Podpoziom. W profilu zlepieńców permskich występuje pionowa strefowość hydrochemiczna, od słodkich wód – w stropie tych skał, do słonych – w ich części spągowej. W wyżej zalegających skałach triasowych występują wody słodkie, których skład chemiczny w warunkach naturalnych zależy od litologii skał otaczających (dolomitów, wapieni). Wpływ na chemizm wód w utworach triasu i permu w strefach kontaktu sedymentacyjnego ma głównie proces dyfuzji, a w strefach tektonicznych – także konwekcja.
The paper presents research results on the chemical composition of inflow waters from mine excavations in the tectonic contact zone between Permian conglomerates and Triassic Zn-Pb-bearing carbonates (Olkusz-Podpoziom deposit). The Permian conglomerate section shows a vertical hydrochemical zonation, from fresh water at the top of these rocks to salty water at their base. The overlying Triassic rocks contain fresh waters whose natural chemical composition depends on the lithology of surrounding rocks (dolomites, limestones). The water chemistry in the Triassic and Permian deposits in the sedimentary contact zones is influenced mainly by the diffusion process, while in the tectonic zones also by convection.
Źródło:
Biuletyn Państwowego Instytutu Geologicznego; 2019, Hydrogeologia z. 16; 169--176
0867-6143
Pojawia się w:
Biuletyn Państwowego Instytutu Geologicznego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Emisja zanieczyszczeń pyłowych na etapie eksploatacji oraz zamykania składowiska odpadów poflotacyjnych kopalni rudy Zn-Pb „Trzebionka
Dust emission during operational and closure phase of Zn-Pb “Trzebionka” mine flotation tailings storage site
Autorzy:
Klojzy-Karczmarczyk, B
Kurek, T.
Mazurek, J.
Powiązania:
https://bibliotekanauki.pl/articles/1819394.pdf
Data publikacji:
2012
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
emisja zanieczyszczeń
flotacja
kopalnia rudy Zn-Pb Trzebionka
Opis:
Mining and processing of zinc and lead ores involves the storage of flotation tailings which to a varying degrees affect the quality of the environment. The impact is due to the tailings being stored in the open open on a above-ground storage site. For quantitative evaluation of pollutants emitted from the area of such a facility, it is necessary to conduct comprehensive monitoring of the scale of pollutant emission and environmental quality monitoring around the storage site. The adverse impact of the tailings storage site on the surrounding environment is associated with several processes both at the operational as well as at the closure phase. The main threat is periodic dusting of the finest fraction of the waste. Periodic discharge of leachate to surface flows and direct infiltration into the substrate also impact the environment. It is important that monitoring is continued at the post-operational phase and that the assayed parameters are consistent with the specificity of the stored tailings. Environmental monitoring at the post-operational and closure phases is important for the surveillance of proper storage site closure and the subsequent reclaim treatment. Measurement of diffuse dust emission into the atmosphere is not mandatory, but it is an essential element of surveillance of the facility's impact on the environment. It is important to monitor the total amount of dust fall and the content of the main heavy metals present in the tailings slime (such as zinc and lead). Dust emission is connected with many anthropogenic and natural factors. This phenomenon may be enhanced in dry weather conditions and violent winds. Long-term monitoring of these pollutants allows a comparison of emissions at different periods of mining and production operations and the associated phases of the storage site operation (storage, closure, reclaim treatment, the period following reclaim). The flotation tailings storage site (pond) of "Trzebionka" SA mine (currently in liquidation), is located on the border of Trzebinia and Chrzanow communes in south-western part of the Malopolska region. The storage site opened in the late 1960s after the opening of the ore enrichment plant. From the beginning, the storage site was located above ground. Currently, it occupies an area of approximately 64 ha, has a height of about 60 m above the ground and the area at the top is about 20 ha. The facility is made mainly of fine-grained dolomitic material, which is waste material from the process of Zn-Pb ore flotation. The storage site was closed down in 2009, currently work is underway aimed at final biological reclamation of the area. Regular monitoring of dust emissions from the area of the storage site has been conducted since the early 1980s. Emission monitoring is conducted indirectly, based on continuous measurement of dust fall at selected points, located around the site. Measurements of dust fall in the area of the sedimentation pond constitute one of the elements of the implemented, comprehensive monitoring study of soil and water environment regarding water and wastewater analysis and dust fall. The study includes quantitative measurements of dust and chemical analysis of the total zinc and lead content in the accumulated sediment. The end result of the study is to estimate the total amount of dust, lead and zinc reported for individual years. The long-term monitoring has allowed to determine the effectiveness of reclaim treatments both during the operational phase and at closure. An analysis of the research results shows that the amount of dust in the region closest to the impact zone of the, tailings accumulated at the storage site was characterized by large changeability from 1982 to 2011 There has been a sharp decrease in the amount of dust fall from the over 150 Mg/km2 year in the early years of operation to about 50 Mg/km2 year in the late years. At the closure phase and at the phase of biological reclaim further reduction of dust emission from the storage site dome has been observed and it amounted to 16 Mg/km2 per year. Such changeability is due to many factors both natural and connected directly with the technology applied at a given time to protect against dusting. The conducted analysis of data indicates the effectiveness of reclaim treatments and satisfactory closure and reclamation of the facility.
Źródło:
Rocznik Ochrona Środowiska; 2012, Tom 14; 844-855
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Construction of a numerical groundwater flow model in areas of intense mine drainage, as exemplified by the Olkusz Zinc and Lead Ore Mining Area in southwest Poland
Autorzy:
Juśko, K.
Motyka, J.
d’Obyrn, K.
Adamczyk, Z.
Powiązania:
https://bibliotekanauki.pl/articles/94617.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
hydrogeology
model structure
dewatering
Zn-Pb mine
hydrogeologia
struktura modelu
odwadnianie
kopalnia
Zn-Pb
Opis:
Areas of intense mine drainage that are subjected to numerical modelling require the construction of a complex model structure that will properly reflect actual conditions. This paper presents the process and results of constructing such a structure for the Olkusz Zinc and Lead Ore Mining Area, an area situated in a cone of depression the extent of which reaches 500 km2. This size range calls for a selection of appropriate external boundaries, properly separated from these of the mine drainage area. The complex geological structure of the Olkusz area, associated with considerable variation in the thickness of rock formations, discontinuities of rock levels and occurrence of numerous faults, must be schematised so that calculation layers can be identified. The faults in the study area have to be reflected in the regional model structure, although only those faults that actually affect groundwater flows should be selected. The model structure needs to include detailed recognition and reflection of hydraulic contacts between aquifer levels, together with a selection of hydrogeological parameters that are different for particular formations. Only a complex structure built in such a manner may be the foundation of further model studies.
Źródło:
Geologos; 2018, 24, 3; 237-244
1426-8981
2080-6574
Pojawia się w:
Geologos
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zmiany składu chemicznego wód w utworach permu w kopalni rud Zn-Pb Pomorzany w rejonie Olkusza
Changes in chemical composition of waters within Permian sediments in Zn-Pb ore mine Pomorzany near Olkusz
Autorzy:
Motyka, J.
Postawa, A.
Powiązania:
https://bibliotekanauki.pl/articles/2062268.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
hydrogeologia górnicza
górnictwo Zn-Pb
drenaż górniczy
kopalnia Pomorzany
mining hydrogeology
Zn-Pb mining
mining drainage
Pomorzany mine
Opis:
W pracy przedstawiono wyniki prowadzonych od ponad 40 lat badań składu chemicznego wód w obrębie piętra permskiego w rejonie kopalni rud cynkowo-ołowiowych Pomorzany w rejonie Olkusza. Zostały opisane krótko i długoterminowe efekty prowadzenia działalności górniczej i odwadniania wyrobisk kopalni, poprowadzonych w utworach permu i nadległych utworach triasu.
In a paper the results of over 40 years’ hydrochemical investigations of waters occurring within Permian sediments in Pomorzany mine near Olkusz are presented. Short-term and long-term effects of mining activities and dewatering of Permian and Triassic aquifers on groundwater chemistry are described.
Źródło:
Biuletyn Państwowego Instytutu Geologicznego; 2013, 456 Hydrogeologia z. 14/2; 413--417
0867-6143
Pojawia się w:
Biuletyn Państwowego Instytutu Geologicznego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ zatapiania kopalni „Trzebionka” na zmiany chemizmu wód podziemnych w utworach triasu
The influence of the “Trzebionka” mine flooding for changes in groundwater chemistry of triassic aquifer
Autorzy:
Kasprzak, A.
Motyka, J.
Powiązania:
https://bibliotekanauki.pl/articles/2075393.pdf
Data publikacji:
2015
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
kopalnia Trzebionka
siarczan
zatapianie kopalni
chemizm wód podziemnych
Zn-Pb “Trzebionka” mine
sulphate
mine flooding
groundwater chemistry
Opis:
The paper presents changes in groundwater chemistry of Triassic aquifer after zinc-lead mine flooding. Last stage of liquidation Zn-Pb “Trzebionka” mine has been started in July of 2010. Long lasting drainage caused oxidation of the sulphide minerals in hosted rocks of Zn-Pb deposits. Flushing of the extended unsaturated zone led to dissolving of weathering products. Those complicated processes caused significant increase in sulphates concentrations Prediction of consequence of mine flooding for water chemical composition is possible due to long term observation of the water quality in the “Trzebionka” zinc-lead ore. Currently water quality of Triassic aquifer is deteriorate.
Źródło:
Przegląd Geologiczny; 2015, 63, 10/1; 805--809
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Kopalnia rud cynku i ołowiu Pomorzany skończyła 40 lat : jak długo jeszcze wystarczy jej zasobów?
The Pomorzany Zn-Pb mine in Poland is 40 years old : when will its ore reserves become depleted?
Autorzy:
Paulo, A.
Wnuk, R.
Powiązania:
https://bibliotekanauki.pl/articles/2075453.pdf
Data publikacji:
2015
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Pomorzany
kopalnia rud cynku i ołowiu
zarządzanie zasobami
rezerwy rudy
Zn-Pb mine
resource management
ore reserves
Opis:
The Pomorzany mine, currently the only one Zn-Pb mine in Poland and one of the largest underground mines of this type worldwide (output 2.5 Mt/y) exceeded 40 years of operation on the MV-type deposit. In 1960, the first geological report on its resources based on drillings was issued. Data from this long period were used to analyse the resource management and evolution of reserve tonnage and quality due to changes in the economic and technical viability as well as to qualify different categories of mine reserves and losses due to the ongoing operation. The mine project was based on geological resource of 97.6 Mt ore averaging 4.12% Zn and 1.42% Pb. Resources extracted with documented low losses and those remaining in situ amount to 92.7 Mt averaging 4.18% Zn and 1.27% Pb. These figures indicate the high accuracy of the exploration results and cost-effective management of resources. The observed trend of ore reserve increase over the last decade gives hope of delimiting at least 3 Mt over the next three years. The mine, which was planned for a 30-year life cycle, has sufficient reserves until 2016, and under favourable market conditions, may extend its life up to 2018.
Źródło:
Przegląd Geologiczny; 2015, 63, 12/2; 1483--1490
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
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