Temat: subrosion - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Współczesne ruchy wysadu solnego Inowrocławia w świetle badań geodezyjnych
Contemporary movements of the Inowrocław Salt Dome in the light of geodetic surveys
Autorzy:: Szczerbowski, Zbigniew
Gawałkiewicz, Rafał
Powiązania:: https://bibliotekanauki.pl/articles/2076109.pdf
Data publikacji:: 2020
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: wysad solny
ruchy wysadu
niwelacja
odkształcenia górnicze
subrozja
salt dome
diapir movements
levelling
mining deformations
subrosion
Opis:: The paper presents results of long-standing geodetic measurements including the most recent results of levelling measurements carried out by the authors. Based on the results, a model of ground surface movements was created, which roughly reflects contemporary tectonic activity of the Inowrocław salt structure. The performance of vertical displacements of benchmarks of the research network for the last quarter-century shows its significant mobility. The results of measurements were discussed in the context of the state of art of tectonic mobility of the area and the geological structure of the dome. Unusual agreement in rates of geological processes (salt diapir uplift) determined by geodetic measurements and estimated by geological methods for a long time interval confirms trueness of previous ideas about contemporary diapir movements of the Inowrocław Salt Dome. Repeated levelling evaluated for two last time intervals provided similar regions and rates of uplifts, giving additional control of reliability of the measurements.
Źródło:: Przegląd Geologiczny; 2020, 68, 3; 195--203
0033-2151
Pojawia się w:: Przegląd Geologiczny
Dostawca treści:: Biblioteka Nauki

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Tytuł:: Rola halokinezy w powstawaniu trzeciorzędowych złóż węgla brunatnego na Niżu Polskim
Halokinetic impact on origin of the Tertiary lignite deposits on the Polish Lowlands
Autorzy:: Kasiński, J. R.
Czapowski, G.
Piwocki, M.
Powiązania:: https://bibliotekanauki.pl/articles/2074651.pdf
Data publikacji:: 2009
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: halotektonika
halokinezy
subrozja
słupy solne
fitogeniczna akumulacja
trzeciorzęd
węgiel brunatny
halotectonics
halokinetics
subrosion
salt domes
phytogenic accumulation
Tertiary
lignite
Opis:: Large concentrations of lignite, creating economic lignite deposits, occur frequently in a close vicinity or directly above salt domes. Those lignite accumulations, common in the northern and central parts of Szczecin-Łódź-Miechów Synclinorium (Polish Lowlands), were partially produced by halotectonic processes active during Tertiary. Generally, differentiated activity of halotectonics did not secure proper conditions controlling extensive accumulation of phytogenic matter and even destroyed the uplifted lignite seams. However, conditions convenient for phytogenic matter accumulation were rather common locally. The following processes: 1) salt subrosion of a dome upper part, 2) halokinetic salt outflow along opened fault surfaces, 3) formation of secondary peripherial sinks nearby the domes and 4) development of extensional depressions on the top of disrupted antyclines formed within a salt-dome overburden during the uplift, all were responsible for generating of salt-related sinks. In a regional scale, development of the primary peripherial sinks between salt structures (mostly salt crests, walls and pillows) could be also related to the halokinetics. Detailed analysis of geological setting in vicinities of some major salt domes on the Polish Lowlands evidenced that more than 80% of lignite resources are directly or indirectly related to these structures. Those lignite resources are most profitable due to an advantagenous overburden ratio. Application of complex research methods (including high-resolution seismic profilling) enables a model construction of those areas and precise defining the relations between stages of salt structure development and a rate of phytogenic accumulation, offering/bringing significant data for lignite prospection.
Źródło:: Przegląd Geologiczny; 2009, 57, 11; 964-975
0033-2151
Pojawia się w:: Przegląd Geologiczny
Dostawca treści:: Biblioteka Nauki

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