Temat: maturity modelling - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Ewolucja stopnia uwęglenia utworów górnokarbońskich w obszarze górniczym "Janina" w Libiążu we wschodniej części Górnośląskiego Zagłębia Węglowego (GZW)
Coalification history of the Upper Carboniferous sediments in the mining area "Janina" in Libiąż (eastern part of the Upper Silesian Coal Basin)
Autorzy:: Botor, D.
Powiązania:: https://bibliotekanauki.pl/articles/183421.pdf
Data publikacji:: 2009
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: Górnośląskie Zagłębie Węglowe (GZW)
uwęglenie
modelowanie dojrzałości termicznej
Upper Silesian Coal Basin (USCB)
coalification
maturity modelling
Opis:: Maturity modelling of the Upper Carboniferous sediments has been performed in order to explain the coalification history. Assuming 2000 m eroded overburden of the post-Stephanian sandstones paleoheat flow was 51 mW/m2 in the latest Carboniferous time. The major coalification processes were likely occurred in the latest Carboniferous, and later a Mesozoic overprinting likely due to fluid migration was not significant for the organic matter maturity.
Źródło:: Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie; 2009, 35, 2/1; 105-113
0138-0974
Pojawia się w:: Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
Dostawca treści:: Biblioteka Nauki

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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

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