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Tytuł artykułu
Wybrane pełne teksty z tego czasopisma
Identyfikatory
Warianty tytułu
Konferencja
Carpathian-Balkan Geological Association XVI Congres, Vienna, Austria, 30.08. - 2.09. 1998
Języki publikacji
Abstrakty
Geochemical studies on the organic matter from the autochthonous Miocene strata of the Carpathian Foredeep demonstrated the presence of gas-prone type 111 kerogen in both the Upper Badenian and Lower Sarmatian sediments with rare admixtures of algal type II kerogen. The TOC contents vary from 0.02 to 3.22 wt. %. Down to the depth 3,200 meters the organic matter is immature. Its transformation degree corresponds to the vitrinite reflectance R,,from 0.25 to 0.6% and to the Rock Eval Tmax temperatures from 415 to 438" C. Insignificant variability in spatial and depth distribution of geochemical parameters and indices (TOC, TE/TOC, Tmax, HI, R<>, CPI, etc.) suggest that deposition conditions of the organic matter were generally homogenous within the full thickness of Miocene sequence down to the recent depth about 3,200 meters. Such conditions resulted in the lack of diversity of the TOC, the genetic type and the transformation degree of the studied kerogen. The Miocene terrestrial OM is immature and generated almost exclusively the microbial methane. The low-temperature thermogenic processes have been active beneath the depth about 3,200 meters i.e., mainly under the Carpathian overthrust.
Czasopismo
Rocznik
Tom
Strony
742--750
Opis fizyczny
bibliogr. 23 poz., tab., wykr.
Twórcy
autor
autor
autor
autor
autor
- University of Mining and Metallurgy, Department of Fossil Fuels, al. Mickiewicza 30, 30-059 Kraków, Poland
Bibliografia
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUS2-0017-0006