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Wyświetlanie 1-7 z 7
Tytuł:
Ewaporaty cechsztynu PZ1- PZ3 bloku Gorzowa
Zechstein 1- 3 evaporites of the Gorzów Block (NW Poland)
Autorzy:
Peryt, T. M.
Powiązania:
https://bibliotekanauki.pl/articles/2074802.pdf
Data publikacji:
2010
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
cechsztyn
ewaporaty
stratygrafia sekwencji
Polska Zachodnia
Zechstein
evaporites
sequence stratigraphy
West Poland
Opis:
The Gorzów Block (West Poland) occurs in the transition zone between the PZ1 sulphate platform and the Na2 basin. In contrast to the western part of the Southern Permian Basin where the Z1 halite (Oldest Halite Na1) is normally restricted to the peripheral subbasins located south of the main basin, in Poland it occurs both in the basin centre and in the former basins of the Lower Anhydrite within the marginal sulphate platform complex, where halite sequences are thick and may have originated in a deep-water setting. The Na1 deposits have been considered so far to be LST deposits both in the marginal sulphate platform facies as well as in the basin centre. Brine salinities (and the minerals they precipitate) are controlled by brine residence times in the basin, and these are determined primarily by the absolute and the relative rates of water flow into, and brine flux out of the basin (Kendall, 2010). Thus sea-level rise in the Boreal Sea could have resulted in the increase of the brine residence times in the Zechstein basin and the deposition of more saline evaporites. Consequently, the Oldest Halite in the basin centre in Poland is regarded as the TST deposit.
Źródło:
Przegląd Geologiczny; 2010, 58, 8; 689-694
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sedymentacja ewaporatów badeńskich w zbiorniku przedkarpackim
Deposition of Middle Miocene Badenian evaporites in the Carpathian Foredeep Basin
Autorzy:
Peryt, T.M.
Powiązania:
https://bibliotekanauki.pl/articles/2074460.pdf
Data publikacji:
2006
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
miocen
sedymentacja
ewaporyty
evaporites
Miocene
facies
sedimentation
correlation
Carpathian Foredeep
Opis:
Badenian evaporites of the Carpathian Foredeep Basin represent the lower part of the NN6 zone and are underlain and overlain by deep-water deposits. Halite and associated deposits in the central part of the Badenian evaporite basin show the same facies successions and marker beds can be traced across and between individual basins. Characteristic marker beds made it possible to correlate various facies zones of the marginal Ca-sulfate platform. These marker beds seem to reflect events that may be related to sudden and widespread changes in water chemistry, which in turn imply major changes in basin hydrology. The onset of the evaporitic deposition in the Carpathian Foredeep was clearly diachronous and the evaporites deposited in the basin centre preceded the beginning of evaporite sedimentation in the marginal basin, however, depositional history in the marginal basin and the basin center was the same. Sedimentological and geochemical data indicate recycling of evaporites throughout most of the evaporite deposition.
Źródło:
Przegląd Geologiczny; 2006, 54, 5; 438-444
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Controls on basal Zechstein (Wuchiapingian) evaporite deposition in SW Poland
Autorzy:
Dyjaczyński, K.
Peryt, T. M.
Powiązania:
https://bibliotekanauki.pl/articles/2060060.pdf
Data publikacji:
2014
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Zechstein Basin
evaporites
3D seismics
lithofacies
sedimentation
anhydritization
SW Poland
Opis:
The development of basal Zechstein (Wuchiapingian) strata inSW Polandindicates the existence of a diversified relief inherited after the flooding of the pre-existing depression by the transgressing Zechstein sea. The deeper parts of the basin were the place of development of thin basinal Zechstein Limestone showing sedimentary condensation manifested by bored and encrusted grains and thick evaporites (mostly halite), and in shallow parts Zechstein Limestone reefs followed by thinner evaporite sequences (dominated by anhydrite) occur. The analysis of 3D seismic sections showed that instead of three conventionally recognized evaporite units of stratigraphic potential in the PZ1 cycle, five units occur (from the base to the top: Lower Anhydrite, Lower Oldest Halite, Middle Anhydrite, Upper Oldest Halite, Upper Anhydrite). In a particular place their number may vary from two (Lower Anhydrite at the base of the PZ1 cycle and Upper Anhydrite at the top of the PZ1 cycle) to five. There are two complexes of Lower Anhydrite occurring throughout the platform and basinal zones showing deepening-upward (transgressive) trend. The halite sedimentation in the deepest parts of salt basins began shortly after the deposition of the upper Lower Anhydrite complex while in the sulphate platform areas the sulphate deposition lasted still for a long time. The Lower Oldest Halite deposits occur in the depressions. Between the halite basins, anhydrite platforms occur, and the thickness of anhydrite platform deposits is smaller than it is observed in salt basins. The Upper Oldest Halite in turn is recorded above the anhydrite platform. The two halite units represent different phases of development of halite basins. The Lower Oldest Halite basins are related to the pre-Zechstein depressions, although in some cases their syndepositional subsidence was controlled by reactivation, during the deposition of basal Zechstein strata, of former faults. In turn, the Upper Oldest Halite basins used the accommodation space created due to anhydritization of the Lower Anhydrite deposits composed originally of selenitic gypsum. The 3D seismics evidences that the PZ1 evaporites inSW Polandhave been deposited in far more complex and dynamic system than it was assumed before.
Źródło:
Geological Quarterly; 2014, 58, 3; 485--502
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Strontium isotope composition of Badenian (Middle Miocene) Ca-sulphate deposits in West Ukraine: a preliminary study m
Autorzy:
Peryt, T. M.
Hryniv, S.
Anczkiewicz, R.
Powiązania:
https://bibliotekanauki.pl/articles/2059023.pdf
Data publikacji:
2010
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Middle Miocene
evaporites
strontium isotopes
gypsum
Paratethys
Opis:
Strontium isotope compositions have been measured in six primary gypsum samples from the most marginal part of the Badenian evaporite succession in the Ukrainian Carpathian Foredeep Basin (Mamalyha quarry section) and in two anhydrite samples from the basin-centre halite zone of the Ukrainian Carpathian Foredeep, aimed determining the origin of brines from which these sulphates were precipitated. The strontium isotope ratios (87868868761887 6878786
Źródło:
Geological Quarterly; 2010, 54, 4; 465-476
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The relationship of brine chemistry of the Pennsylvanian Paradox Evaporite Basin (southwestern USA) to secular variation in seawater chemistry
Autorzy:
Petrychenko, O. Y.
Williams-Stroud, S.
Peryt, T. M.
Powiązania:
https://bibliotekanauki.pl/articles/2058982.pdf
Data publikacji:
2012
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Pennsylvanian
Paradox Basin
evaporites
fluid inclusions
seawater chemistry
Opis:
To establish the brine chemistry associated with the evaporites in the Pennsylvanian Paradox Basin of southeastern Utah and southwestern Colorado (USA), the composition of primary fluid inclusions was determined for sedimentary halite from two drill cores, one near the central part of the basin (Shafer Dome No. 1) and one from a more marginal location of the basin (Gibson Dome No. 1). Chemical analysis of halite fluid inclusions was done on six samples from three different evaporite cycles of the Paradox Formation; cycle 10 in the Shafer Dome core and cycles 6 and 18 from the Gibson Dome core. The inclusions that range in size from 2 to 80 microns across, were analyzed using the Petrychenko method. Large inclusions (40 to 80 microns across) that were used for the chemical analyses contain one fluid phase with a carnallite or sylvite daughter crystal. Also reported in this study are fluid inclusion homogenization temperatures for sylvite or carnallite from primary halite crystals in the Gibson Dome core and in Shafer Dome. The relationship between K+ and Mg2+ in chloride rich inclusions corresponds to their proportion in MgSO4-depleted marine waters concentrated to the stage of carnallite deposition. A correlative relationship was observed between K+2+4-rich to MgSO4-poor compositions that have been proposed by other workers. A transition from MgSO4-rich to MgSO4-poor seawater composition may have occurred between Pennsylvanian and Permian times. This paper presents a possible alternate explanation to those already proposed in the literature, that the Paradox Formation mineralogy resulted from an intermediate seawater composition that records the global transition from MgSO4-rich to MgSO4-poor seawater.
Źródło:
Geological Quarterly; 2012, 56, 1; 25--40
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Inkluzje fluidalne w halicie oraz bituminy w solach ewaporatów mioceńskich ukraińskiego Przedkarpacia jako wskaźnik występowania nagromadzeń węglowodorów w niżej leżących utworach
Fluid inclusions in halite and bitumens in rock salt from Miocene evaporites in the Ukrainian Fore-Carpathian region: as indicators of hydrocarbon accumulations in the underlying strata
Autorzy:
Więcław, D.
Lytvyniuk, S. F.
Kovalevych, V. M.
Peryt, T.M.
Powiązania:
https://bibliotekanauki.pl/articles/2074593.pdf
Data publikacji:
2008
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
inkluzje fluidalne
bituminy
trwałe izotopy węgla
miocen
zapadlisko przedkarpackie
ewaporaty
fluid inclusions
bitumens
stable carbon isotopes
biomarkers
Miocene
Carpathian Foredeep
evaporites
Opis:
Fluid inclusions in halite from Miocene rock salt of the Ukrainian Carpathian Foredeep Basin in locations where evaporites overlie oil and gas reservoir rocks are characterized by their high methane content and the presence of oil droplets in some of them. They are thus similar to fluid inclusions reported from geochemical aureoles around oil and gas accumulations in the Zechstein (Upper Permian) of western Poland (Kovalevych et al., 2008). Geochemical analyses of bitumen in bulk samples of rock salt (including content and distribution of n-alkanes and isoprenoids, carbon isotope ratios) suggest a varied origin: hydrocarbon extracted from halite from boreholes located in proximity (proved or assumed) of oil and gas deposits (Lopushna-7, Grynivka-525) are probably related to organic material dispersed within the rock salt itself, and those from the barren areas (Verkhniy Strutyn-29) are most probably cogenetic with oil accumulated in the deposits of the Boryslav-Pokuttya Nappe.
Źródło:
Przegląd Geologiczny; 2008, 56, 9; 837-841
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The sulphur and oxygen isotopic composition of Lower Cambrian anhydrites in East Siberia
Autorzy:
Peryt, T. M.
Hałas, S.
Kovalevych, V. M.
Petrychenko, O. Y.
Dzhinoridze, N. M.
Powiązania:
https://bibliotekanauki.pl/articles/2058955.pdf
Data publikacji:
2005
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Siberia
Lower Cambrian
evaporites
sulphur isotopes
oxygen isotopes
Opis:
Published sulphur and oxygen isotope age curves for the late Neoproterozoic-Early Cambrian time interval have been based on studies of sulphate intervals of the East Siberian salt giant. We report here on sulphur and oxygen measurements for sulphate dispersed in, or forming laminae in, the rock salt deposits in all Lower Cambrian basins of East Siberia. Sulphur isotope data for 26 samples of Lower Cambrian anhydrites from East Siberia range from +22.6 to +34.5‰. No difference was observed between different suites and between samples taken from anhydrite intercalations in rock salt and from water-insoluble residue in rock salt. Oxygen isotope data for 25 anhydrite samples range from +12.4 to +17.8‰, and thus δ18 O values have a smaller range of variation (5.5‰) than δ34 S (11.8‰) over the entire set of Lower Cambrian anhydrites. The great δ34 S variability observed in the Lower Cambrian of Siberia seems to reflect mixing of sulphates coming from the ocean and due to the riverine input. The lowest δ18 O values may indicate the input values from both the sources, whilst the highest value may result from isotope exchange between SO4 2- and water. Our results combined with data provided by previous workers could indicate a clear stratigraphic trend in δ34 S values, with a remarkable fall of ca. 9‰ in δ34 S value during the earliest Cambrian and then a slight rise in δ34 S values in the younger part of Early Cambrian. However, if only the highest values are taken, the measured values are compatible with seawater δ34 S 3 30‰ during the entire Early Cambrian. Sulphur isotopic composition of sulphate minerals did not be come heavier from the sulphate stage to ward the chloride stage.
Źródło:
Geological Quarterly; 2005, 49, 2; 235--242
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-7 z 7

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