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Tytuł:
Gaz pojawia się i znika, czyli krótka historia szacowania zasobów węglowodorów niekonwencjonalnych w Polsce
Autorzy:
Rutkowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/2075074.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
gaz ziemny
zasoby węglowodorów
łupki
Źródło:
Przegląd Geologiczny; 2013, 61, 6; 331--334
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Litofacje formacji perspektywicznych dla gazu i ropy w łupkach w utworach ordowiku i syluru na obszarze bałtyckim i podlasko-lubelskim
Lithofacies of the Ordovician and Silurian formations prospective for shale gas/oilin the Baltic and Podlasie-Lublin areas
Autorzy:
Feldman-Olszewska, A.
Roszkowska-Remin, J.
Powiązania:
https://bibliotekanauki.pl/articles/2075505.pdf
Data publikacji:
2016
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
litofacje
ordowik
silurian
łupki
lithofacies
Ordovician
Silurian
shales
Opis:
The paper presents a sedimentological analysis of Ordovician (Sandbian–Hirnantian = Caradoc–Ashgill) and Silurian (Landovery–Wenlock, lower Ludlow) claystones and mudstones from the north-eastern (Baltic Basin) and south-eastern (Podlasie-Lublin Basin) parts of the East European Craton. In both basins, formations prospective for shale gas/oil were analyzed: the Sasino Fm., Pasłęk Fm. (including the Jantar Mb.), Pelplin Fm., Udal Fm., Wrotnów Fm. and Terespol Fm. Based on lithological and sedimentological criteria, 34 lithofacies and 11 lithofacies associations have been distinguished. The most promising lithofacies arerepresentedbytheL-1,L-3andL-4associationswhicharecharacterizedbydarkgreycolour, a very low degree or lack of bioturbation, rare sedimentary structures, and common content of small pyrite concretions. They dominate in the Sasino Fm., Pas³êk Fm. (in the Jantar Mb. only) and Pelplin Fm., but are much less common in the Udal Fm., Terespol Fm. and Pas³êk Fm. (excluding the Jantar Mb.).
Źródło:
Przegląd Geologiczny; 2016, 64, 12; 968--975
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Czy CO2 można składować w łupkach gazonośnych i dlaczego? ShaleSeq : projekt finansowany ze środków funduszy norweskich
Can we store CO2 in gas-bearing shales and why? ShaleSeq Project financed by Norwegian funds
Autorzy:
Jarosiński, M.
Powiązania:
https://bibliotekanauki.pl/articles/2075492.pdf
Data publikacji:
2016
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
dwutlenek węgla
przechowywanie
łupki gazonośne
carbon dioxide
storage
gas-bearing shale
Opis:
Properties of carbon dioxide are favourable for its storage in shale both in sorption within organic matter or free within the pore space and open fractures as supercritical fluid.Well fitted are partially depleted shale gas reservoirs, bearing a dense network of tectonic and hydraulically induced fractures, which is necessary for both gas drainage and injection of large volume of CO2. A previous analysis indicated that storage of significant amounts of CO2 in productive shale complexes in the USA is technologically possible, but requires very intense gas exploitation in a vast area of several states. CO2 injection in partially depleted shale gas reservoirs can contribute to the growth of gas production by approx. 5–10%. Given the current state of research and the most recent estimates of shale gas resources in Poland, one may recognoze that the storage of CO2 with stimulation of gas production is not a viable alternative to sequestration in saline aquifers in Poland. Interdisciplinary research, with Polish-Norwegian collaboration within the ShaleSeq Project, undertakes complex problems of physical and chemical interaction of CO2 with gas-bearing shales of Pomerania. In spite of the fate of CO2 storage in shales all over the world, the findings of this Project might also be relevant for conventional storage in reservoirs which are usual sealed with shale cap rock.
Źródło:
Przegląd Geologiczny; 2016, 64, 5; 344--348
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rola geofizyki wiertniczej w określeniu zasobów gazu ziemnego w łupkach
Application of wire log analysis for petrophysical evaluation and determination of shale gas reserves
Autorzy:
Drop, K.
Kozłowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/2074763.pdf
Data publikacji:
2010
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
gaz łupkowy
interpretacja geofizyki wiertniczej
łupki
shale gas
petrophysical interpretation
Silurian Shale
Opis:
The paper presents differences between conventional and shale gas plays (Tab. 1). Shale gas concept comprises a wide range of reservoirs, from the coalbed to tight gas plays. In Europe, where the shale gas rush has just started, shaly rocks were treated so far as unproductive and high quality data sets necessary for evaluating properties of those rocks are usually missing. Therefore, US shale gas plays like Barnett and Haynesville are widely used as valuable reference tools (Jacobi, 2008; Parker, 2009). Coal, where gas is essentially stored entirely by sorption, represents one end of the unconventional gas spectrum and tight gas sands, where gas is essentially stored by compression only - the other end of that spectrum. In turn, shale reservoirs with gas entrapped by sorption and compression, fill the space between the two endpoints. Differentiation of those two components is one of the primary goals of an analysis program. Shale gas reservoirs are formed by a wide variety of rock types which makes it necessary to use most appropriate technologies to characterize both coalbed and tight gas reservoirs. The current paper concentrates on tools for evaluating petrophysical parameters, most suitable for shale gas plays. In the case of old wells with old fashion Soviet logs, the uncompensated neutron gamma tool was commonly used tool. This was the only porosity reading curve in log suite, "neutron porosity curve" which could be overlaid with natural gamma ray (GR) (Fig. 1). Natural gamma ray curve is a good indicator of organic matter, which adsorbed uranium. Other hydrocarbon signatures can be traced on the basis of SP vs GR, GR vs resistivity. Some of hydrocarbon signatures can be related to TOC from core lab measurements. For contemporary good quality wire line log curves the Passey et al. (1990) method has been applied. This method is based on computation of separation between acoustic transit time and resistivity (R) (Fig. 2). The resulting difference is used to calculate TOC taking into consideration maturity of organic matter which is parameter for a bunch of relationships (TOC vs R). Local calibration R to TOC from cores are required. In order to determine reliable relationships between R, gas contents to TOC, the high technology coring service and sensitive laboratory measurements are necessary. The results of petrophysical analyses are important for estimations of gas resources in shales. The formulas for computation of conventional and unconventional gas reserves are generally similar. However, in the case of the unconventional gas reserves, instead of porosity reservoir storage the rock density is applied, and for determinations of hydrocarbon volume-the gas content is applied in place of hydrocarbon saturation. If European unconventional reservoirs turn to be profitable then continent landscape will also change. The big gas fields would require dense networks of rigs that will have some negative environmental impact. This would require a change in industry structure, as well as in public opinion and legal regulations.
Źródło:
Przegląd Geologiczny; 2010, 58, 3; 263-265
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Silurian shales of the East European Platform in Poland : some exploration problems
Autorzy:
Porębski, S.J.
Prugar, W.
Zacharski, J.
Powiązania:
https://bibliotekanauki.pl/articles/2075023.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Silurian
black shale
shale gas
unconventional play
czarne łupki
gaz łupkowy
niekonwencjonalna gra
Opis:
The pericratonic Silurian shale succession in Poland, despite its reasonably well-constrained geological framework, entails a number of contentious issues that need to be resolved before this emerging shale gas play will enter a stage of successful development. The succession is thought to have originated in a Caledonian foredeep encroaching distally onto a pericratonic shelf ramp. However, the geochemical signature of the mudrocks is consistent with a cratonic rather than orogenic sourcing, the proximal part of the foredeep basin-fill is apparently missing, and the shale succession juxtaposes in part across the Teisseyre-Tornquist Zone against suspected terranes with no evidence of Silurian tectonism. Organic-rich Llandovery– Wenlock shales form a NW-SE striking central belt that is increasingly calcareous toward the craton (NE) and more silty toward the inferred orogen (SW), with the TOC content decreasing in both directions perpendicular to the strike. The TOC trend seems consistent with the deep-downlap model of black shale deposition suggested for many Paleozoic foredeep basins, but does not quite agree with the outer neritic to upper bathyal depths assumed for the shale deposition. Preliminary results from three wells drilled by Orlen Upstream in the Lublin Basin indicate that the Llandovery–Wenlock shales were deposited on a distal shelf ramp sheltered from the craton by shelf carbonate shoals and periodically affected by weak storm-generated currents. The impact of storms on water column resulted in intermittent rises of oxygen content in the otherwise anoxic to dysoxic near-bottom conditions. The prospective interval is dominated by calcite-cemented clayey mudstones showing moderate to good reservoir qualities. It is cut locally by ENE- or NE-dipping, steep fractures favourable for fluid transmissibility, and a NE or SWdirection is most advantageous for artificial fracturing. This interval is capped with a Ludlow calcite-cemented, laminated siltstone that forms a regional correlation marker and shows soft-sediment deformations attributable to gravitational collapse on a NE-dipping paleoslope. If correct, this interpretation might imply the encroachment of orogen-fed clinothem system onto the SW-inclined craton-margin shelf ramp.
Źródło:
Przegląd Geologiczny; 2013, 61, 11-1; 630-638
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Łupki sylurskie platformy wschodnioeuropejskiej w Polsce : wybrane problemy poszukiwawcze
Silurian shales of the East European Platform in Poland : some exploration problems
Autorzy:
Porębski, S.J.
Prugar, W.
Zacharski, J.
Powiązania:
https://bibliotekanauki.pl/articles/2075081.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Silurian
black shale
shale gas
unconventional play
sylur
ciemne łupki
gaz łupkowy
niekonwencjonalna gra
Opis:
The pericratonic Silurian shale succession in Poland, despite its reasonably well-constrained geological framework, entails a number of contentious issues that need to be resolved before this emerging shale gas play will enter a stage of successful development. The succession is thought to have originated in a Caledonian foredeep encroaching distally onto a pericratonic shelf ramp. However, the geochemical signature of the mudrocks is consistent with a cratonic rather than orogenic sourcing, the proximal part of the foredeep basin-fill is apparently missing, and the shale succession juxtaposes in part across the Teisseyre-Tornquist Zone against suspected ter- ranes with no evidence of Silurian tectonism. Organic-rich Llandovery-Wenlock shales form a NW-SE striking central belt that is increasingly calcareous toward the craton (NE) and more silty toward the inferred orogen (SW), with the TOC content decreasing in both directions perpendicular to the strike. The TOC trend seems consistent with the deep-downlap model of black shale deposition suggested for many Paleozoic foredeep basins, but does not quite agree with the outer neritic to upper bathyal depths assumed for the shale deposition. Preliminary results from three wells drilled by Orlen Upstream in the Lublin Basin indicate that the Llandovery-Wenlock shales were deposited on a distal shelf ramp sheltered from the craton by shelf carbonate shoals and periodically affected by weak storm-generated currents. The impact of storms on water column resulted in intermittent rises of oxygen content in the otherwise anoxic to dysoxic near-bottom conditions. The prospective interval is dominated by calcite-cemented clayey mudstones showing moderate to good reservoir qualities. It is cut locally by ENE- or NE-dipping, steep fractures favourable for fluid transmissibility, and a NE or SW direction is most advantageous for artificial fracturing. This interval is capped with a Ludlow calcite-cemented, laminated siltstone that forms a regional correlation marker and shows soft-sediment deformations attributable to gravitational collapse on a NE-dippingpaleoslope. If correct, this interpretation might imply the encroachment of orogen-fed clinothem system onto the SW-inclined craton-margin shelf ramp.
Źródło:
Przegląd Geologiczny; 2013, 61, 8; 468--477
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Porównanie sekwencji deformacji fałdowych w północnej i południowej okrywie granitoidów Karkonoszy
Comparison of fold deformation sequences in the northern and southern metamorphic cover of the Karkonosze granitoids
Autorzy:
Gaidzik, K.
Żaba, J.
Powiązania:
https://bibliotekanauki.pl/articles/2075681.pdf
Data publikacji:
2017
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
sekwencja
odkształcenie
łupki łyszczykowe
strefa kontaktu
Karkonosze
folds
deformation
mica schist
contact zone
Karkonosze Massif
Opis:
We applied the detailed structural analysis to 394 outcrops in the southern and northern metamorphic cover of the Karkonosze Intrusion. We recognised five generations of fold structures: F1 -poorly preserved tight intrafoliation folds; F2 - the most common generation, with the whole variety of fold geometries, W-E and WSW-ENE-oriented fold axes in the northern contact zone, and W-E and WNW-ESE-oriented fold axes in the southern contact zone; F3 - chevron folds; F4 - kinkfolds observed only in the Stara Kamienica schist belt; and F5 - wide open folds, locally transformed into monoclinal kinkfolds, probably formed during the Variscan intrusion of the Karkonosze pluton. Similarity observed in the structural style in the northern and southern contact zones prove that these lithostratigraphic units had formed a single unit - the Izera-Kowary Unit - and had undergone the same deformational stages before the Karkonosze granitoid intrusion took place.
Źródło:
Przegląd Geologiczny; 2017, 65, 12; 1548--1554
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fenomen kambryjskich łupków z Burgess w Górach Skalistych (Kanada) : przegląd fauny, środowiska sedymentacji i zjawisk tafonomicznych
The Cambrian Burgess Shale phenomenon of the Rocky Mountains (Canada) : an overview of the fauna, sedimentary and taphonomic conditions
Autorzy:
Śliwiński, M. G.
Żylińska, A.
Powiązania:
https://bibliotekanauki.pl/articles/2075033.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Cambrian
Burgess Shale
Rocky Mountains
Lagerstätten
redox
kambr
łupki z Burgess
Góry Skaliste
natlenienie wód
Opis:
The Burgess Shale of the Canadian Rocky Mts is one of the most well-known occurrences of Cambrian strata exhibiting exceptional preservation of a soft-bodied fauna. While Lagerstätten of the Burgess Shale-type fauna have been recognized in almost all parts of the world and in all Cambrian series, the circumstances and mechanisms allowing for such a unique mode of preservation have remained enigmatic. Of particular debate has been the reconstruction of prevailing redox conditions. This brief contribution overviews the fauna and recent advances towards understanding the sedimentary and taphonomic conditions prevailing during deposition.
Źródło:
Przegląd Geologiczny; 2013, 61, 12; 746--754
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Graptolites – stratigraphic tool in the exploration of zones prospective for the occurrence of unconventional hydrocarbon deposits
Autorzy:
Podhalańska, T.
Powiązania:
https://bibliotekanauki.pl/articles/2075025.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
graptolites
black shale
stratigraphy
Ordovician
Silurian
East European Craton
graptolity
czarne łupki
stratygrafia
ordowik
Kraton wschodnioeuropejski
Opis:
In connection with the exploration of zones prospective for the occurrence of unconventional hydrocarbon deposits, numerous studies of source rocks have been conducted in Poland. Stratigraphic examinations are among the basic elements. The main group of fossils occurring in shale successions, being a potential source of hydrocarbons, is graptolites. This paper describes the assemblages of graptolites from Ordovician and Silurian deposits and shows their importance for the stratigraphy of shale complexes. Due to their abundance and rapid evolution, graptolites are an excellent tool for biostratigraphic dating, regional correlations and biozonation of rock successions in terms of the high-resolution sequence stratigraphy. The paper presents the significance of taphonomic research of graptolites to identify zones of increased accumulation of hydrocarbons in rocks. It has been found that graptolites are an equally important instrument, in addition to elevated TOC values or increased gamma ray radiation on well logs, that allows identification of potential source rocks for hydrocarbons, including shale gas.
Źródło:
Przegląd Geologiczny; 2013, 61, 11-1; 621--629
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Charakterystyka petrograficzna rozproszonej materii organicznej z warstw menilitowych
Petrographic characterization of dispersed organic matter from the Menilite Beds
Autorzy:
Ziemianin, Konrad
Powiązania:
https://bibliotekanauki.pl/articles/2075976.pdf
Data publikacji:
2019
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
łupki menilitowe
refleksyjność witrynitu
macerały
piroliza Rock-Eval
Menilite shales
vitrinite reflectance
macerals
Rock-Eval pyrolysis
Opis:
Dispersed organic matter from the Menilite Beds of the Skole, Silesian and Dukla units was investigated using optical microscopy and Rock-Eval pyrolysis. In the composition of organic matter fragments, macerals of vitrinite, liptinite and inertinite groups are present. Macerals of the liptinite group dominate (alginite, bituminite and liptodetrinite) whereas macerals of vitrinite (collotelinite, vitrodetrinite) and inertinite (fusinite, semifusinite, inertodetrinite) groups are less common. In most outcrops examined the organic matter is immature as evidenced by vitrinite reflectance Ro <0.5% and Tmax <435°C. Only the areas of Fore-Duklazone and the Świątkowa tectonic window have a higher degree of organic matter transformation (oil window phase). Types II and III of kerogen are most common in the samples investigated.
Źródło:
Przegląd Geologiczny; 2019, 67; 204--206
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wstępna charakterystyka mineralogiczna czarnych łupków antrakozjowych z obszaru synklinorium śródsudeckiego
Preliminary mineralogical characteristics of the Anthracosia Shales from the Intra-Sudetic Synclinorium
Autorzy:
Wójcik-Tabol, Patrycja
Dąbek, Jolanta
Nowak, Grzegorz J.
Powiązania:
https://bibliotekanauki.pl/articles/2076184.pdf
Data publikacji:
2021
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
węgiel
synklinorium śródsudeckie
czarne łupki jeziorne
syderyt
kaolinit
carbon
Intra-Sudetic Synclinorium
lacustrine black shales
siderite
kaolinite
Opis:
Anthracosia Shales within the Pennsylvanian-Lower Permian continental succession from the Intra-Sudetic Synclinorium are lacustrine sediments, represented by black shales intercalated with sandstones/mudstones. Mineral composition of each lithology consists of quartz, feldspar, mica, clay minerals (including kaolinite, the content of which decreases upward the section), and carbonates (calcite and siderite). The section is a continuous record of reduction and rise in terrigenous input. Mineral detritus is least weathered in the uppermost part of the Anthracosia Shales. The sedimentation occurred under dysoxic conditions that were ventilated by bottom currents.
Źródło:
Przegląd Geologiczny; 2021, 69, 6; 389--392
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Graptolity : narzędzie stratygraficzne w rozpoznaniu stref perspektywicznych dla występowania niekonwencjonalnych złóż węglowodorów
Graptolites : stratigraphic tool in the exploration of zones prospective for the occurrence of unconventional hydrocarbon deposits
Autorzy:
Podhalańska, T.
Powiązania:
https://bibliotekanauki.pl/articles/2075084.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
graptolites
black shale
stratigraphy
Ordovician
Silurian
East European Craton
graptolity
ciemne łupki
stratygrafia
ordowik
sylur
platforma wschodnioeuropejska
Opis:
In connection with the exploration of zones prospective for the occurrence of unconventional hydrocarbon deposits, numerous studies of source rocks have been conducted in Poland. Stratigraphic examinations are among the basic elements. The main group of fossils occurring in shale successions, being a potential source of hydrocarbons, is graptolites. This paper describes the assemblages of graptolites from Ordovician and Silurian deposits and shows their importance for the stratigraphy of shale complexes. Due to their abundance and rapid evolution, graptolites are an excellent tool for biostratigraphic dating, regional correlations and biozonation of rock successions in terms of the high-resolution sequence stratigraphy. The paper presents the significance of taphonomic research of graptolites to identify zones of increased accumulation of hydrocarbons in rocks. It has been found that graptolites are an equally important instrument, in addition to elevated TOC values or increased gamma ray radiation on well logs, that allows identification of potential source rocks for hydrocarbons, including shale gas.
Źródło:
Przegląd Geologiczny; 2013, 61, 8; 460--467
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Identyfikacja i możliwość przystosowania łupków powęglowych z pirytem do stosowania w budownictwie drogowy
Identification and adaptation of coaly shales with pyrite for use in road construction
Autorzy:
Duszyński, Andrzej
Jasiński, Wiktor
Jórdeczka, Łukasz
Pryga-Szulc, Aneta
Powiązania:
https://bibliotekanauki.pl/articles/2076068.pdf
Data publikacji:
2020
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
łupki węglowe
piryt
agregat
adaptacja materiału
wał przeciwpowodziowy
wybudowana droga
coaly shale
pyrite
aggregate
material adaptation
embankment
built-way
Opis:
Coaly shale is a full-fledged aggregate for road construction, which can be obtained through proper control and processing, meeting the performance characteristics for the application in the construction of embankments. In Poland, from current pro¬duction and resources at landfills, coaly shale with a pyrite content above 1% is a great potential for road construction. It requires adaptation, including on eliminating the possibility of bacteria decomposing this pyrite or its neutralization using limestone materials. At the same time, taking into account the weaknesses of coaly shale landfills (in terms of self-ignition and decomposition), the type of coaly shale and pyrite raw material can be identified as ways of using aggregates from these raw materials for the construction of embankments in the appropriate construction technology.
Źródło:
Przegląd Geologiczny; 2020, 68, 9; 716--721
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Litostratygrafia dolnego syluru w odsłonięciu Bardo Stawy (południowa część Gór Świętokrzyskich) - związek ze zmianami poziomu morza i cyrkulacją oceaniczną
Lithostratigraphy of the Lower Silurian in Bardo Stawy (southern Holy Cross Mountains): relation to sea-level changes and oceanographic circulation
Autorzy:
Trela, W.
Salwa, S.
Powiązania:
https://bibliotekanauki.pl/articles/2074516.pdf
Data publikacji:
2007
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
landower dolny
łupki
poziom morza
wypływanie wód
Góry Świętokrzyskie
Llandovery
radiolarian cherts
shales
sea-level
upwelling
Holy Cross Mountains
Opis:
The lower Llandovery black radiolarian cherts and shales of the Bardo Formation are interpreted as transgressive to highstand deposits produced by the marine flooding initiated in latest Ordovician time (persculptus graptolite zone). This formation was divided into the Rembów radiolarian chert Member and Zbrza shale Member. The sedimentary record of the Rembów Member was folded due to the late Caledonian tectonic activity. The accumulation of the radiolarian cherts was influenced by an upwelling system generated by the SE trade winds, which were active along the southern margin of the southern Holy Cross Mountains.
Źródło:
Przegląd Geologiczny; 2007, 55, 11; 971-978
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Materia organiczna rozproszona w ciemnych turbidytach górnego eocenu płaszczowiny śląskiej (Karpaty zewnętrzne, Polska)
Organic matter dispersed in the Upper Eocene dark turbidities of the Silesian Nappe (Outer Carpathians, Poland)
Autorzy:
Waliczek, Marta
Waśkowska, Anna
Machowski, Grzegorz
Powiązania:
https://bibliotekanauki.pl/articles/2076201.pdf
Data publikacji:
2021
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
materia organiczna
refleksyjność witrynitu
ciemne łupki
płaszczowina śląska
Karpaty Zewnętrzne
organic matter
vitrinite reflectance
dark shales
Silesian Nappe
Outer Carpathians
Opis:
In this study, weapply microscopic analysis to evaluate thematurity of organic matter and characterise the macerals dispersed in the Upper Eocene shale samples from the Hieroglyphic Formation (Silesian Nappe, Outer Carpathians). The mean vitrinite reflectance values indicate the presence of organic matter immature to hydrocarbon generation (Ro≈0.43%).The main organic component dispersed in analysed samples is vitrinite, characteristic of kerogen type III.
Źródło:
Przegląd Geologiczny; 2021, 69, 7; 458--462
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 18

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