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Tytuł:
Burial and thermal history of the Polish part of the Baltic region
Autorzy:
Wróbel, M.
Kosakowski, P.
Poprawa, P.
Powiązania:
https://bibliotekanauki.pl/articles/2059073.pdf
Data publikacji:
2010
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Baltic Region
northern Poland
subsidence
burial history
thermal evolution
maturity modelling
Opis:
The burial history and thermal evolution of the western part of the Baltic region was reconstructed by means of 1-D modelling for eight boreholes penetrating the lower Paleozoic succession. The Neoproterozoic rifting presumably caused elevation of heat flow, while Cambrian to Mid Ordovician post-rift thermal sag of the Baltica passive margin led to systematic decrease of heat flow with time. Development of the Late Ordovician to Silurian flexural foredeep of the Caledonide collision zone was associated with intensive subsidence, a high rate of sediment deposition and rapid burial of the Upper Cambrian and/or Tremadocian, Upper Ordovician and lower Silurian source rocks, presumably sufficient for the early stage of oil generation. After post-Caledonian Early Devonian uplift, the western Baltic region was subject to Early Devonian to early Carboniferous subsidence and deposition, leading to further burial of the source rocks. Together with elevated heat flow, characteristic of the Variscan broad foreland, this caused further source rocks maturation and hydrocarbon generation. Late- to post-Variscan uplift and erosion (late Carboniferous to late Permian) resulted in complete removal of the Middle Devonian to lower Carboniferous strata and development of the major regional unconformity. During late Permian to Cretaceous time the western part of the Baltic region constituted an eastern flank of the Polish Trough, with the main phases of subsidence and burial during late Permian-Early Triassic time, related to rifting in the Polish Trough, and during Late Cretaceous time, related to the compressional regime. Maturity profiles in boreholes from the vicinity of the studied boreholes indicate the presence of a late Mesozoic (Late Cretaceous?) positive thermal event, causing further maturation of the source rock.
Źródło:
Geological Quarterly; 2010, 54, 2; 131-142
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal history of the lower Carboniferous Culm Basin in the Nízký Jeseník Mts. (NE Bohemian Massif, Czech Republic and Poland)
Autorzy:
Botor, D.
Toboła, T.
Jelonek, I.
Powiązania:
https://bibliotekanauki.pl/articles/191166.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Raman spectroscopy
carbonaceous material
maximum temperature
fluid inclusions
vitrinite reflectance
Culm Basin
Moravo-Silesian Fold
Thrust Belt
Opis:
Raman microspectroscopy of organic matter, vitrinite reflectance and fluid inclusion data were used to reconstruct the thermal history in the lower Carboniferous accretionary prism of the Culm Basin in the Nízký Jeseník Mts. (NE Bohemian Massif). The model involves the Variscan (mid–late Carboniferous) burial diagenesis, which was overprinted by a post-Variscan, probably Permian and/or early Mesozoic, thermal pulse(s) in its central and western parts. The latter may have been related to advective heat transport and the circulation of hot fluids. In the siliciclastic rocks of the Culm Basin, the maximum palaeotemperatures varied from ~200 ± 30 °C in the E (in the Hradec-Kyjovice Formation) to ~350 ± 30 °C in the NW (in the Andělská Hora Formation).
Źródło:
Annales Societatis Geologorum Poloniae; 2017, 87, 1; 13-40
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Burial and thermal history of the Lower Palaeozoic petroleum source rocks at the SW margin of the East European Craton (Poland)
Autorzy:
Botor, Dariusz
Golonka, Jan
Anczkiewicz, Anneta A.
Dunkl, István
Papiernik, Bartosz
Zając, Justyna
Guzy, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/191816.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
maturity modelling
shale gas
shale oil
burial history
thermal history
Palaeozoic
East European Craton
Opis:
Thermal maturity modelling was carried out in over sixty wells along the SW margin of the East European Craton (EEC). The burial and thermal history modelling of the EEC, using thermochronological data, allowed the construction of burial history maps showing its geological development in the Phanerozoic. These results have proved that the Ordovician and Silurian source rocks occurring at the SW margin of the EEC reached a maximum palaeotemperature in the Palaeozoic, mainly during Devonian-Carboniferous time and at the latest during the Silurian in the most westerly part of this margin, along the Teisseyre-Tornquist Zone. In Mesozoic and Cainozoic time, the Ordovician and Silurian strata generally were subjected to cooling or to very minor heating, certainly below the Variscan level. The maximum burial and maximum temperature of the Ediacaran-Lower Palaeozoic strata were reached during the Early Carboniferous in the Baltic Basin and during the Late Carboniferous in the Lublin area, and even in the Early Permian in the SE corner of the Lublin Basin. Thus, the main period of maturation of organic matter and hydrocarbon generation in the Ordovician and Silurian source rocks was in the Late Palaeozoic (mainly Devonian-Carboniferous) and in the westernmost zone along the Teisseyre-Tornquist line at the end of the Silurian.
Źródło:
Annales Societatis Geologorum Poloniae; 2019, 89, 2; 121-152
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Burial and thermal history and hydrocarbon generation modelling of the Lower Palaeozoic source rocks in the Kraków–Rzeszów area (SE Poland)
Autorzy:
Kosakowski, P.
Wróbel, M.
Powiązania:
https://bibliotekanauki.pl/articles/191542.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
source rocks
1-D modelling
generation
expulsion
Lower Palaeozoic
south-eastern Poland
Opis:
Burial history, thermal maturity and timing of hydrocarbon generation were modelled for the Ordovician and Silurian source rocks in the basement of the Carpathian Foredeep. 1-D modelling was carried out for wells located in the area between Kraków and Rzeszów cities (SE Poland). The following wells were modelled: Będzienica 2, Hermanowa 1, Nawsie 1, Nosówka 2 and 12, Pilzno 40, and Zawada 8K. The Ordovician and Silurian source rocks, containing oil-prone Type-II kerogen, are generally immature showing less than 0.5% reflectance of vitrinite-like macerals (Ro), in most of the Kraków–Rzeszów area and only in the eastern part the organic matter is early mature, reaching 0.7% equivalent Ro. The highest thermal maturity is found in the eastern part of the study area, near Rzeszów city, where the Lower Palaeozoic strata are buried to the greatest depth. Maturity modelling shows that the source rocks reached the initial phase of the “oil window” only in the eastern part of the area, whereas they are immature in the larger, western portion of the area. In addition, modelling indicates that the onset of petroleum generation started in the late Miocene, after the Outer Carpathian overthrust phase. The generation processes in the eastern part of the analysed area reached the main and late generation phase. The generated hydrocarbons were mostly expelled from the source rocks. In the western part of the study area the generation process has not been initialized.
Źródło:
Annales Societatis Geologorum Poloniae; 2011, 81, No 3; 459-471
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Burial and thermal history of the Upper Silesian Coal Basin (Poland) constrained by maturity modelling : implications for coalification and natural gas generation
Autorzy:
Botor, Dariusz
Powiązania:
https://bibliotekanauki.pl/articles/1836355.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
maturity modelling
vitrinite reflectance
hydrocarbon generation
methane
Variscides
Carboniferous
Opis:
Maturity modelling was carried out using basin and petroleum system modelling (BPSM) software in the lithologic sections of 17 wells of the Upper Silesian Coal Basin (Poland). The best fit between calculated and measured vitrinite reflectance (VR), porosity and density data was obtained by applying a thickness of eroded sedimentary overburden from 1700 m in the east to 4500 m in the west and relatively low to moderate heat flow values during the maximum late Carboniferous burial. These heat flow values were in the range 50-71 mW/m2
Źródło:
Annales Societatis Geologorum Poloniae; 2020, 90, 2; 99-123
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal history of the Carboniferous strata in the northern part of the Intra-Sudetic Basin (SW Poland): A combined Raman spectroscopy and organic petrography study
Autorzy:
Botor, Dariusz
Toboła, Tomasz
Waliczek, Marta
Powiązania:
https://bibliotekanauki.pl/articles/1835585.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Raman spectroscopy
vitrinite reflectance
dispersed organic matter
coalification
Lower Silesia Coal District
Bohemian Massif
spektroskopia Ramana
refleksyjność witrynitu
rozproszona materia organiczna
uwęglenie
Dolnośląskie Zagłębie Węglowe
Masyw Czeski
Opis:
Raman spectroscopy and vitrinite reflectance measurements of dispersed organic matter from Carboniferous shales in boreholes in the northern part of the Intra-Sudetic Basin were used for thermal history reconstruction. Microscopic investigations have shown that the organic matter is dominated by the vitrinite maceral group. In analysed samples, organic matter shows a varied degree of thermal alteration determined by the mean random vitrinite reflectance (VRo) ranging from 0.72% to 3.80%. Mean apparent maximum vitrinite reflectance (R’max) values reached 4.98%. The full width at half maximum of D1 and G bands in Raman spectra are well-correlated with mean VRo and R’max. Thermal maturity in the boreholes shows a regular increase with depth. Geological data combined with Raman spectroscopy and mean vitrinite reflectance results indicate that the analysed Carboniferous strata reached maximum paleotemperatures from c. 110 to c. 265°C. The regional paleogeothermal gradient in the late Paleozoic was c. 80°C/km. The Variscan heating event presumably caused a major coalification process of organic matter. The Carboniferous–Permian magmatic activity must have contributed to high heat flow, adding to the effect of sedimentary burial on the thermal maturity.
Źródło:
Acta Geologica Polonica; 2020, 70, 3; 363--396
0001-5709
Pojawia się w:
Acta Geologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal history of the Carboniferous strata in the northern part of the Intra-Sudetic Basin (SW Poland): A combined Raman spectroscopy and organic petrography study
Autorzy:
Botor, Dariusz
Toboła, Tomasz
Waliczek, Marta
Powiązania:
https://bibliotekanauki.pl/articles/139342.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Raman spectroscopy
vitrinite reflectance
dispersed organic matter
coalification
Lower Silesia Coal District
Bohemian Massif
spektroskopia Ramana
refleksyjność witrynitu
rozproszona materia organiczna
uwęglenie
Dolnośląskie Zagłębie Węglowe
Masyw Czeski
Opis:
Raman spectroscopy and vitrinite reflectance measurements of dispersed organic matter from Carboniferous shales in boreholes in the northern part of the Intra-Sudetic Basin were used for thermal history reconstruction. Microscopic investigations have shown that the organic matter is dominated by the vitrinite maceral group. In analysed samples, organic matter shows a varied degree of thermal alteration determined by the mean random vitrinite reflectance (VRo) ranging from 0.72% to 3.80%. Mean apparent maximum vitrinite reflectance (R’max) values reached 4.98%. The full width at half maximum of D1 and G bands in Raman spectra are well-correlated with mean VRo and R’max. Thermal maturity in the boreholes shows a regular increase with depth. Geological data combined with Raman spectroscopy and mean vitrinite reflectance results indicate that the analysed Carboniferous strata reached maximum paleotemperatures from c. 110 to c. 265°C. The regional paleogeothermal gradient in the late Paleozoic was c. 80°C/km. The Variscan heating event presumably caused a major coalification process of organic matter. The Carboniferous–Permian magmatic activity must have contributed to high heat flow, adding to the effect of sedimentary burial on the thermal maturity.
Źródło:
Acta Geologica Polonica; 2020, 70, 3; 363-396
0001-5709
Pojawia się w:
Acta Geologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal history of Lower Palaeozoic rocks from the East European Platform margin of Poland based on K-Ar age dating and illite-smectite palaeothermometry - 481 – 509
Autorzy:
Kowalska, Sylwia
Wójtowicz, Artur
Hałas, Stanisław
Wemmer, Klaus
Mikołajewski, Zbigniew
Buniak, Arkadiusz
Powiązania:
https://bibliotekanauki.pl/articles/191840.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
shale gas
K-Ar dating
thermal history
Variscan orogeny
Palaeozoic
East European Platform
interlaboratory comparison
Opis:
Large-scale shale gas prospecting in the Polish part of the East European Platform did not discover large reserves of this resources. The article presents new research indicating that one of the reasons for the lack of shale gas relates to the thermal history of the Lower Palaeozoic rocks. Illite-smectite palaeothermometry was used to reconstruct the history of the platform and determine the maximum temperatures to which these rocks were subjected. The age of illitisation was also constrained using the K-Ar method. This method allowed precise dating of the maximum age of thermal transformations due to the deposition of numerous pyroclastic horizons (K-bentonite) throughout the entire geological profile from the Cambrian to the Silurian. Isotopic dating was made on over 53 samples of Lower Palaeozoic bentonites and low-grade metamorphic clays. These results were supplemented by analysis of the degree of thermal (smectite to illite) transformation in the profiles of 37 deep boreholes. 11 zones could be distinguished with different tectonic histories within the Polish part of the East European Platform edge. Maximum heating occurred in this region at about 320–340 Ma, corresponding to the Early Carboniferous or the turn of the Early and Late Carboniferous, phase A of the Variscan orogeny, known as the Sudetian phase. In the southern part of study area, the maximum of thermodiagenesis is slightly younger – 270–290 Ma, which responds to the Early Permian, the Asturian phase, the last phase of the Variscan orogeny. This means that the generation of hydrocarbons occurred before significant Mesozoic exhumation of the Polish part of the East European Platform, which led to the escape of a considerable amount of the gas generated. The study also presents the results of an interlaboratory comparison of illite age dating using the K-Ar and Ar-Ar methods. The comparison was conducted to find out what realistic error should be considered when interpreting geological K-Ar dating results.
Źródło:
Annales Societatis Geologorum Poloniae; 2019, 89, 4; 481-509
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ordovician through earliest Devonian development of the Holy Cross Mts. (Poland): constraints from subsidence analysis and thermal maturity data
Autorzy:
Narkiewicz, M.
Powiązania:
https://bibliotekanauki.pl/articles/2059907.pdf
Data publikacji:
2002
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Trans-European Suture Zone
Holy Cross Mountains
tectonic subsidence
thermal history
terranes
Opis:
The Łysogóry Block (ŁB) exposed in the northern Holy Cross Mts. (HCMts.) reveals subsidence and thermal development consistent with the pattern observed in adjoining East European Craton (EEC) areas. This evidence, in addition to previously reported similarities in sedimentation and deep crustal structure, contradicts the Pożaryski's hypothesis that the Łysogóry Block represents a terrane within the Caledonian orogen. This area is here interpreted as the part of a Late Silurian foredeep basin which developed on the Baltica margin in response to terminal phases of collision with Eastern Avalonia. The development of the continuous Late Silurian foredeep basin along the EEC margin from the Peri-Tornquist Basin in the north-west to the present northern HCMts. implies that the North German-Polish Caledonides orogen had its NE continuation near the present Holy Cross area. The southern HCMts. comprise the northern margin of the Małopolska Massif (MM). The Ordovician-Silurian subsidence development of this area, its thermal history and crustal structure point to a stable cratonic setting. Existing similarities in sedimentary succession (mostly Ordovician and Lower Silurian) as well as clearly Baltic palaeobiogeographic affinities indicate a close spatial connection between the MM and Baltica during the analysed time interval. The juxtaposition of the MM against the ŁB area can be explained assuming that the MM is a part of Baltica detached from its margin due to right-lateral strike-slip after late Ludlow and before Emsian time.
Źródło:
Geological Quarterly; 2002, 46, 3; 255-266
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Skały osadowe czerwonego spągowca w wierceniu Kutno 2 w warunkach postulowanego jurajskiego wydarzenia termicznego oraz wysokich nadciśnień : studium petrograficzne
Rotliegend sedimentary rocks in the Kutno 2 well under conditions of a postulated Jurassic thermal event and high overpressure : a petrographic study
Autorzy:
Kuberska, Marta
Kiersnowski, Hubert
Poprawa, Paweł
Kozłowska, Aleksandra
Powiązania:
https://bibliotekanauki.pl/articles/2076191.pdf
Data publikacji:
2021
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
basen spągowca polskiego
struktura Kutna
petrografia
termika
Polish Rotliegend Basin
Kutno structure
petrography
thermal history
Opis:
A highs ignifance of the Kutno 2 deep borehole is due to its location in the central zone of the Polish Basin where the Rotliegend complex has previously never been achieved by other drill holes and thus was not recognized and studied. Drill core from the Rotligend of the Kutno2 has been recently studied for its petrography and facies. The Rotligend in this zone is represented by fluvial and alluvial sediments. It is composed mainly of fine- to coarse-grained sandstones, with conglomerate inter beds. Diagenetic processes of the sediments have been dominated by mechanical and chemical compaction, as well as by transformation of the unstable mineral components. Fluid inclusion analysis for quartz and carbonates indicates that the diagenesis-associated temperature reached 120-180°C. The presence of haematite pseudomorphoses after framboidal pyrite indicates an extremely high palaeotemperature of approx. 500°C. Itis related here to the Jurassic hydrothermal event. The recent very high reservoir pressure might be associated with high temperatures due to the aqua thermal pressure mechanism.
Źródło:
Przegląd Geologiczny; 2021, 69, 6; 365--373
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hydrothermal fluids influence on the thermal evolution of the Stephanian sequence, the Sabero Coalfield (NW Spain)
Autorzy:
Botor, D.
Powiązania:
https://bibliotekanauki.pl/articles/184440.pdf
Data publikacji:
2012
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
Spain
Cantabrian Mountains
Sabero coalfield
Carboniferous
pull-apart basin
coalification
thermal history
maturity modelling
vitrinite reflectance
eroded overburden
Opis:
In the present study, the thermal history of the Late Carboniferous (Stephanian) coal-bearing sediments of the Sabero Coalfield has been reconstructed in order to elucidate coal rank. The Sabero Coalfield is located in a small intramontane coal-bearing basin along the Sabero-Gordón fault zone, one of the major E-W trending strike-slip fault systems of the southern part of the Cantabrian Zone (NW Spain). The total thickness of the Stephanian succession is in excess of 2,000 m, and is composed of siliclastic rocks and intercalated coal seams with tonsteins. Mean vitrinite reflectance values in the Stephanian rocks in the Sabero Coalfield are in the range from 0.61 to 3.14% Rr, but most values are in the range from 0.8 to 1.5% Rr (based on 84 samples). Average vitrinite reflectance gradient is high (0.73% Rr/km), which suggests high value of average paleogeothermal gradient (52°C/km). The maximum paleotemperatures calculated from vitrinite reflectance values for the Stephanian rocks range between 89°C (top of the Stephanian) and 195°C (bottom of the Stephanian). Coalification of the organic matter in the Stephanian rocks was achieved in the Early Permian, and was most likely related to several almost simultaneous related to magmatic and hydrothermal activity during high subsidence period in the pull-apart basin. The primary, burial-related maturity pattern, was probably slightly overprinted by fluid migration event, which is supposed to have occurred in Early Permian time.
Źródło:
Geology, Geophysics and Environment; 2012, 38, 4; 369-393
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Integracja mikrotermometrii inkluzji fluidalnych i modelowań historii termicznej/pogrążania w badaniach pochodzenia węglowodorów i ich nagromadzeń w skałach dolomitu głównego (Ca2) północno-zachodniej Polski (otwór wiertniczy Benice-3)
Fluid inclusion microthermometry and burial/thermal history modeling combined to reveal hydrocarbon origin and accumulation in the main dolomite (Ca2) rocks of northwestern Poland (well Benice-3)
Autorzy:
Słowakiewicz, M.
Poprawa, P.
Powiązania:
https://bibliotekanauki.pl/articles/2062691.pdf
Data publikacji:
2010
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
inkluzje fluidalne
modelowanie historii pogrzebania/termicznej
dolomit główny
cechsztyn
platforma Kamienia Pomorskiego
fluid inclusions
burial/thermal history modeling
Main Dolomite
Zechstein
Kamień Pomorski Platform
Opis:
Badania inkluzji fluidalnych są bardzo pomocne w zrozumieniu procesów cementacji w skałach zbiornikowych oraz określenia relacji między nimi a migracją węglowodorów. W połączeniu z modelowaniem basenów badania te pozwalają uszczegółowić historię pogrążania, temperatury i ciśnienia danego basenu sedymentacyjnego. Przykład integracji tych metod badawczych stanowią prezentowane w artykule wyniki badań przeprowadzonych na próbkach z otworu wiertniczego Benice-3. Próbki pobrano z utworów węglanowych dolomitu głównego (Ca2), występujących w obrębie platformy węglanowej Kamienia Pomorskiego (PWKP, Pomorze Zachodnie). Obszar ten stanowi północno-zachodnią część polskiego basenu cechsztyńskiego. Na obszarze PWKP znajduje się jedno z największych polskich złóż ropy naftowej Kamień Pomorski, występujące w węglanowych facjach platformowych Ca2. Skały zbiornikowe reprezentują facje doloziarnitów zdeponowanych w strefie płycizn oolitowych. Inkluzje fluidalne znaleziono we wczesnodiagenetycznych cementach anhydrytowych. Po uzyskaniu danych mikrotermometrycznych obliczono rzeczywiste wartości temperatury i ciśnienia precypitacji cementów anhydrytowych, które wynoszą: 94–110°C oraz 270–330 bary. Stężenie solanki wynosi od 1,6 do 5,2% wag. równoważnika NaCl z małą ilością CO2 oraz CaCl2. Skład jest typowy dla roztworów formacyjnych związanych z procesami anhydrytyzacji skał dolomitu głównego w warunkach płytkiego do średniego pogrzebania. Porównując wyniki otrzymane z pomiarów inkluzji fluidalnych z modelowniami historii pogrzebania basenu sedymentacyjnego stwierdzono, że temperatury 94–110°C zostały osiągnięte przez cementy anhydrytowe w okresie wczesnej–późnej jury, tj. ok. 153–181 mln lat temu. Migracja roztworów niosących węglowodory miała miejsce przed migracją fluidów, które doprowadziły do anhydrytyzacji, ale po procesach dolomityzacji.
Fluid inclusion studies can be very helpful in understanding petroleum genesis and hence aid hydrocarbon exploration. When combined with basin modeling, such studies may allow detailed refinements to the general burial–temperature–pressure history of a sedimentary basin. As a case study, borehole data derived from the Main Dolomite (Ca2) carbonates of the Benice-3 well located within the Kamień Pomorski carbonate platform (KPCP, West Pomerania) of the northwestern part of the Polish Zechstein Basin were considered. The KPCP area contains one of the largest Polish oilfields, Kamień Pomorski, localized within the Ca2 platform facies and contains geological reserves of 317974 BBL of oil. The reservoir rocks of the Ca2 are characterized primarily by oolitic dolograinstone facies deposited within the oolite shoal zone. In this study, fluid inclusion data were obtained from early diagenetic anhydrite cements. After pressure correction, these data revealed temperatures within the range 94–110°C with pressures of 270–330 bars. The composition of the brine was found to be from 1.6 to 5.2 wt. % NaCl with small amounts of CO2 and CaCl2. This represents formation brines associated with an anhydritization process of the Main Dolomite rocks during shallow-to-intermediate burial conditionss. By integration of the results of fluid inclusion microthermometry with a basin modeling approach claimed that temperatures of 94–110°C were obtained by anhydrite cements during Early–Late Jurassic time. Migration of hydrocarbon-bearing solutions was before migration of fluids which led to anhydritization but after dolomitization.
Źródło:
Biuletyn Państwowego Instytutu Geologicznego; 2010, 439 (1); 181--188
0867-6143
Pojawia się w:
Biuletyn Państwowego Instytutu Geologicznego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wiek uwęglenia utworów górnokarbońskich w Górnośląskim Zagłębiu Węglowym w świetle datowań apatytów za pomocą metody trakowej i helowej
Timing of coalification of the upper carboniferous sediments in the Upper Silesia Coal Basin on the basis of by apatite fission track and helium dating
Autorzy:
Botor, D.
Powiązania:
https://bibliotekanauki.pl/articles/216261.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Instytut Gospodarki Surowcami Mineralnymi i Energią PAN
Tematy:
Górnośląskie Zagłębie Węglowe
uwęglenie
historia termiczna
metoda trakowa
metoda helowa
apatyt
Upper Silesia Coal Basin
coalification
thermal history
fission track analysis
helium radiometric dating
apatite
Opis:
Przeprowadzono datowania za pomocą metody trakowej i helowej dla apatytów z utworów karbońskich w Górnośląskim Zagłębiu Węglowym w celu określenia ram czasowych procesów uwęglenia. Pomierzone centralne wieki trakowe apatytów mieszczą się w przedziale od 259±11 (późny perm) do 103±6 milionów lat (wczesna kreda), a średnia długość traków waha się od 11,7±0,2 do 13,7±0,1 μm. Wszystkie wieki trakowe są młodsze od wieku stratygraficznego analizowanych próbek, wskazując znaczne zaawansowanie procesów diagenetycznych. Próbki z zachodniej i środkowej części GZW mają wieki trakowe od późnego permu do środkowego/późnego triasu (259±11 do 214±10 mln lat). Jednomodalne rozkłady długości traków i ich średnie wartości wskazują na pojedyncze, względnie szybkie zdarzenie postwaryscyjskiego wychładzania do temperatury poniżej 60°C, co jest zgodne ze znaczną erozją postinwersyjną utworów górnokarbońskich po fazie asturyjskiej. W pozostałej części mezozoiku następowało wolniejsze wychładzanie. Próbki ze wschodniej i NE części GZW mają wieki trakowe od późnego triasu do wczesnej kredy (210±10 do 103±6 milionów lat). Charakteryzuje je względnie krótsza średnia długość traków i wyższe odchylenia standardowe, a także w przypadku części próbek bimodalny i/lub mieszany charakter rozkładów długości. Jest to razem wskazówką bardziej złożonej historii termicznej, z długim okresem przebywania w PAZ i możliwym drugim zdarzeniem termicznym. Wieki helowe apatytów w całym basenie są wczesnokredowe (144,1±11 do 108,1±8milionów lat), wskazując raczej na wolne postwaryscyjskie wychładzanie lub możliwe mezozoiczne podgrzanie karbonu do temperatury nie większej niż 60–70°C, które spowodowało częściową dyfuzję helu i odmłodzenie wieków helowych, ale równocześnie nie spowodowało znaczącego zabliźniania traków na większości obszaru GZW. Jedynie w NE części GZW podgrzanie mezozoiczne mogło być nieco wyższe, do temperatury 70–85°C, powodując odmłodzenie wieków trakowych, zwłaszcza przy długim okresie przebywania w PAZ. Mezozoiczny impuls termiczny był przypuszczalnie spowodowany cyrkulacją gorących roztworów związaną z procesami ekstensji. Powyższe zakresy temperatur i czas ich występowania świadczą, że uwęglenie materii organicznej w GZW nastąpiło zasadniczo z końcem okresu karbońskiego.
The apatite fission track and helium dating were used to provide a temporal framework for the coal rank data in the Upper Silesia Coal Basin. Measured apatite fission–track (AFT) central ages from sandstones and tonsteins in the USCB range from 259±11 (Permian) to 103±6 Ma (Early Cretaceous), with mean track lengths ranging from 11.7±0.2 to 13.7±0.1 μm. All AFT ages are younger than sample stratigraphic ages, indicating substantial post–depositional annealing. Samples from the western and central part of the USCB yield AFT ages of Permian to Late Triassic (259±11 to 214±10 Ma). Mean track lengths and unimodal track length distributions of these samples are indicative of a single relatively rapid Variscan cooling event to below 60°C consistent with erosion during the Asturian inversion of the basin. This was followed by slower cooling during the Mesozoic. The samples from the eastern and NE part of the USCB have AFT ages from Late Triassic to Early Cretaceous (210±10 Ma to 103±6 Ma). The relatively shorter mean track length and higher standard deviation, combined with a bimodal and/or mixed fission track length distribution in some samples, is indicative of amore complex thermal history with possibly a thermal event separated by a prolonged period in the PAZ. Apatite helium ages of samples from across the basin range from 144.1±11 to 108.1±8Ma (Early Cretaceous) indicating rather slow, post–Variscan inversion cooling or the possible mid–Mesozoic re–heating where temperatures reached only to 60–70°C. It was high enough for partial He loss from the apatite but not enough to anneal fission tracks in the most areas of the USCB. Only in the NE part of the USCB Mid–Mezozoic re-heating could be able to increase temperature to ~70–85°C causing partially resetting AFT (particularly during long stay in PAZ). Mid–Mesozoic re–heating would be caused by a hot fluid circulation related to extensional tectonic development. The timing and temperature range from thermochronological analysis imply that major coalification processes occurred in the latest Carboniferous period.
Źródło:
Gospodarka Surowcami Mineralnymi; 2014, 30, 1; 85-104
0860-0953
Pojawia się w:
Gospodarka Surowcami Mineralnymi
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Charakterystyka petrologiczna i chemiczna meteorytu Antonin – klasyfikacja oraz zarys historii termicznej i uderzeniowej
Petrology and chemistry of the Antonin meteorite – classification and reconstruction of thermal-collisional history
Autorzy:
Krzesińska, Agata
Powiązania:
https://bibliotekanauki.pl/articles/2195010.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Meteorytowe
Tematy:
Antonin
L5 chondrite
meteorite
Opis:
Meteorite Antonin fell on 15th July 2021 in Poland. The bolide was observed and recorded by cameras of European Bolide Network, Astronomical Institute of Czech Academy of Sciences. Soon after the fall, specimen of meteorite was recovered and delivered for classification. In this paper, analytical results collected in order to classify the Antonin meteorite are reported. Antonin is L5 ordinary chondrite with deformation degree S3 or S4. This paper includes reports of heterogeneous texture of chondrite and reports on chemical composition of minerals: olivine, low-Ca pyroxene, diopside and glasses, phosphates, chromite and ilmenite, as well as sulfides and native FeNi alloy. The minerals reveal different equilibration degree. Analysis of the texture and chemical composition of Antonin allows to put the meteorite in the framework of current classification of meteorites. It also facilitates making hypotheses on the thermal and collisional processes, that the meteorite experienced while on its parent body.
Źródło:
Acta Societatis Metheoriticae Polonorum; 2023, 14; 114-133
2080-5497
Pojawia się w:
Acta Societatis Metheoriticae Polonorum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The thermal waters of Podhale, southern Poland: history of research, genesis and utility
Autorzy:
Małecka, D.
Powiązania:
https://bibliotekanauki.pl/articles/2059181.pdf
Data publikacji:
2003
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
thermal waters
artesian basin
recharge area
age of water
geothermal energy
Tatra Mts.
Opis:
This paper outlines hypotheses relating the dip of Tatra strata beneath the Podhale Flysch to deep groundwater flow through the systems of fissures and karst caverns. Attempts by J. Gołąb and S. Sokołowski to constrain hypotheses through a series of exploratory-exploitational drillings led to the discovery in 1963 of thermal artesian waters in the Tatra foreland. These are of meteoric origin with total dissolved solids from 0.2 g/dm3 in the Tatra area to 3.0 g/dm3 in the central and near-Pieniny parts of the basin. Palaeogene strata are important in controlling the hydrogeology of the Podhale artesian basin. The Tatra Mountains are a recharge area for the Podhale basin whereas the Pieniny Klippen Belt seems to be an impermeable shield preventing further groundwater flow to the north. Within the southern flank of the basin the groundwaters are used as a local source of drinking water as well as to supply thermal baths in Zakopane. Furthermore, the geothermal energy from the Podhale basin provides a supply of clean, environment-friendly domestic heating.
Źródło:
Geological Quarterly; 2003, 47, 2; 195-210
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
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