气候变化领域集成服务门户(CCPortal): Depth-to-basement for the East European Craton and Teisseyre-Tornquist Zone in Poland based on potential field data

CCPortal

DOI	10.1007/s00531-018-1668-9
	Depth-to-basement for the East European Craton and Teisseyre-Tornquist Zone in Poland based on potential field data
	Mikołajczak M.; Mazur S.; Gągała Ł.
发表日期	2019
ISSN	14373254
起始页码	547
结束页码	567
卷号	108 期号:2
英文摘要	Results of a depth-to-basement study are presented for the East European Craton and the Teisseyre-Tornquist Zone (TTZ) in Poland. The terrestrial gravity data are inverted for the top of the Paleoproterozoic basement and, independently, for the top of the Ediacaran using seismic horizons from the PolandSPAN™ seismic survey and well tops as input depth measurements. The depth to the Ediacaran modelling was additionally extended to cover the Łysogóry Block and northern Małopolska Block. The results are visualised as isobath maps for the top of the Paleoproterozoic basement and top of the Ediacaran and an isopach map for the Ediacaran, supplemented with qualitative structural interpretation based on gravity and magnetic data. The results of modelling show a smooth crystalline basement slope within the TTZ with the top of the Paleoproterozoic basement uniformly descending south-westwards by 10–14 km. The thickness of the Ediacaran in SE Poland increases in the same direction to more than 10 km within the TTZ. Such a crustal architecture, in combination with the earlier documented Moho elevation of 4–6 km, reveals significant thinning of the Paleoproterozoic crust within the TTZ to form a crustal necking zone due to the Ediacaran rifting. A smooth geometry of the top of basement along with the lack of basement-rooted faults suggests a ductile mode of crustal thinning during rifting of Rodinia. Moreover, the development of the NW–SE-oriented rift, a precursor of the Tornquist Ocean, was associated with rifting in a NE–SW direction parallel to the Orsha-Volyn Rift. © 2018, The Author(s).
英文关键词	Crystalline basement; Ediacaran; Gravity inversion; PolandSPAN survey; Rodinia break-up; Tectonics
语种	英语
scopus关键词	continental breakup; crustal thinning; Ediacaran; Moho; rifting; Rodinia; survey; tectonic setting; Poland [Central Europe]
来源期刊	International Journal of Earth Sciences
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/147872
作者单位	Institute of Geological Sciences, Polish Academy of Sciences, Senacka 1, Kraków, 31-002, Poland; Hellenic Petroleum, Maroussi, Greece
推荐引用方式 GB/T 7714	Mikołajczak M.,Mazur S.,Gągała Ł.. Depth-to-basement for the East European Craton and Teisseyre-Tornquist Zone in Poland based on potential field data[J],2019,108(2).
APA	Mikołajczak M.,Mazur S.,&Gągała Ł..(2019).Depth-to-basement for the East European Craton and Teisseyre-Tornquist Zone in Poland based on potential field data.International Journal of Earth Sciences,108(2).
MLA	Mikołajczak M.,et al."Depth-to-basement for the East European Craton and Teisseyre-Tornquist Zone in Poland based on potential field data".International Journal of Earth Sciences 108.2(2019).