Tournaisian 40Ar/39Ar age for alkaline basalts from the Lublin Basin (SE Poland)

Pańczyk, Magdalena; Nawrocki, Jerzy

doi:10.7306/gq.1218

Cited by 13 publications

(24 citation statements)

References 9 publications

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“…The mag matic ac tiv ity was par tic u larly pro nounced in the EEP area in clud ing the Lublin re gion where al ka line bas alts up to 230 m thick de vel oped be tween late Tournaisian and mid-Visean times (Pañczyk and Nawrocki, 2015). Al ka line diabase and syenite in truded near the P³ock re gion, while sev eral al kaline plutons are known from NE Po land, in clud ing the gabbro-syenite Pisz, syenite E³k, and syenite-monzogranite Grajewo in tru sions (Fig.…”

Section: Tournaisian To Middle Visean Shelf Sedimentation and Magmatismmentioning

confidence: 95%

“…In par tic u lar, new syn thetic pa pers have been pub lished on the depositional de vel op ment of the £ysogóry Ba sin (Narkiewicz, 2011a), the Lublin Ba sin (Waksmundzka, 2010;Narkiewicz, 2011b) and on the general ge ol ogy of SE Po land S -F G S , t l u a F a n e m a C a g a e n e c e P -F C P , t l e B t s u r h T d n a d l o F n a i s e l i S n a i v a r o M -B T F S M , t l u a F e n o Z t s i u q n r o T e r y e s s i e T -Z T T , e r u t u S r o h T -S T , e n o Z age of ig ne ous pro cesses were ob tained for the cratonic basement in NE Po land (sum ma rized in Krzemiñska et al, 2017), the Lublin re gion (Pañczyk and Nawrocki, 2015), the Holy Cross Mts. (Nawrocki et al, 2013;…”

Section: Introductionmentioning

confidence: 99%

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The Variscan foreland in Poland revisited: new data and new concepts

Narkiewicz

2020

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As so ci ate Ed i tor: Leszek Marks An ear lier con cept of the Variscan fore land in Po land (Narkiewicz, 2007) is re con sid ered in the light of new strati graphic, tectonic and geo phys i cal ev i dence, pro vid ing new data on De vo nian sed i men ta tion, Car bon if er ous magmatism and the deep crustal struc ture of SE Po land. Re gional com par i sons with the tec tonic evo lu tion of Cen tral Eu rope and the Black Sea re gion show that the sub si dence pat tern in the fore land was con trolled by al ter nat ing phases of ac cel er ated con ver gence and tectonic stand still along the south ern mar gin of Euramerica. In par tic u lar, the Bretonian (De vo nian/Car bon if er ous) compressional de for ma tion re sulted from in ten si fied orogenic con ver gence in the West-Cen tral European Variscides lead ing to clo sure of the Saxo-Thuringian Ba sin and East-Sudetic back-arc ba sin. An other turn ing point in the re gional tectonosedimentary de vel op ment around the Mississippian-Pennsylvanian bound ary was prob a bly re lated to the ter mi nation of terrane col li sion in the Black Sea re gion. Late Penn syl va nian ba sin in ver sion was as so ci ated with a roughly N-S tectonic short en ing. This was partly due to dis place ment along pre-ex ist ing base ment dis con ti nu ities com pris ing re ac ti vated Cal edo nian su tures that also pre-de ter mined the Devonian-Carboniferous ba sin bound aries. Con se quently, deeply-rooted tec tonic zones, in clud ing the Kraków-Lubliniec and Holy Cross faults and the Teisseyre-Tornquist Zone, fo cussed max i mum compressional and transpressional de for ma tion and as so ci ated up lift. Such a con cept of ter mi nal Variscan tectonism, termed here the "de coup led model", is dis cussed with ref er ence to the re cently pro posed "cou pled model". The lat ter assumes a wide ex tent of the Variscan Orogen, reach ing as far as the mar ginal Radom-Kraoenik Fold-and-Thrust Belt linked with the Bo he mian Mas sif through a ma jor basal de tach ment. It is con cluded that the "de coup led model" is more con sis tent with the doc u mented seis mic and struc tural ev i dence as well as with the pres ent knowl edge of the heterogeneous pre-De vonian base ment in south ern Po land.

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Section: Tournaisian To Middle Visean Shelf Sedimentation and Magmatismmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

The Variscan foreland in Poland revisited: new data and new concepts

Narkiewicz

2020

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“…A common tectonic characteristic of all these faults is a dextral strike-slip component of their Carboniferous-Permian kinematics. Besides, next to the Kock fault, Upper Tournaisian to Visean alkaline basalts occur (Pańczyk and Nawrocki, 2015), which points to an intraplate magmatism in the EEC/TESZ lithosphere at that time. On the SE side of the TESZ, magmatic rocks were identified at the KFLZ and DFZ and these are dealt with in this paper.…”

Section: Tectonic Frameworkmentioning

confidence: 98%

“…1), alkaline basalt was found in boreholes. It yielded Late Tournaisian to Visean Ar-Ar extrusion ages between 348 Ma and 338 Ma (Pańczyk and Nawrocki, 2015) and contributed to a bunch of evidence of magmatic activity across the TESZ in Carboniferous/Permian times. In the Lublin region, Lower Palaeozoic platform sediments overlie the 2.0-1.8 Ga crystalline basement of the SW-ward sloping margin of the East European Craton.…”

Section: The Lublin Regionmentioning

confidence: 99%

Late Carboniferous–early Permian events in the Trans-European Suture Zone: Tectonic and acid magmatic evidence from Poland

et al. 2016

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“…The on set of the Car bon if er ous sed i men ta tion was as so ciated with ba saltic vol ca nism (¯elichowski, 1972, 1984Depciuch, 1974;¯elichowski and Koz³owski, 1983;Grocholski and Ryka, 1995;Pañczyk and Nawrocki, 2015). Ba salt caps and sills ap pear se lec tively in the vi cin ity of deep-rooted fault zones, of the Kock Fault in par tic u lar (¯elichowski and Koz³owski, 1983;¯elichowski, 1984).…”

Section: Early Variscan Stagementioning

confidence: 99%

The Kock Fault Zone as an indicator of tectonic stress regime changes at the margin of the East European Craton (Poland)

Tomaszczyk¹,

Jarosiński²

2017

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2 Pol ish Geo log i cal In sti tute -Na tional Re search In sti tute, Rakowiecka 4, 00-975 Warszawa, Po land Tomaszczyk, M., Jarosiñski, M., 2017. The Kock Fault Zone as an in di ca tor of tec tonic stress re gime changes at the mar gin of the East Eu ro pean Craton (Po land). Geo log i cal Quar terly, 61 (4): 908-925, doi: 10.7306/gq.1380 In te grated tec tonic in ter pre ta tion of seis mic data and core sam ples from bore holes in the vi cin ity of the Kock Fault Zone (KFZ) al lowed us to iden tify sev eral tec tonic de for ma tion events that were re spon si ble for cre at ing its com plex struc ture. The KFZ is an ex am ple of a me chan i cally weak re gional-scale tec tonic struc ture that ac cu mu lated de for ma tion over hun dreds of mil lions of years and there fore is a good in di ca tor of stress re gime changes in a broader area. The KFZ is here re garded as a com bi na tion and su per po si tion of two ge net i cally and tem po rally dif fer ent faults: the older Kock Fault, which is an in verted nor mal fault, and the youn ger, low-an gle Kock Thrust. The first, Si lu rian stage of KFZ evo lu tion oc curred in a ten sional stress re gime that gave rise to the ac ti va tion of a deeply rooted nor mal-slip pre cur sor to the Kock Fault. Sub se quently, this fault under went in ver sion dur ing the Late Famennian com pres sive/transpressive event. In the Early Car bon if er ous, the tec tonic stress re gime changed into ten sion/transtension, lead ing to ex tru sion of ba salt magma and abun dant mineralisation in the vicin ity of the in verted Kock Fault, fol lowed by tec toni cally re laxed sed i men ta tion of Car bon if er ous strata. The de po si tion was ter mi nated by a compressional event at the end of the Westphalian. Con trac tion re sulted in the for ma tion of the low-an gle Kock Thrust de coup led in Si lu rian shale that cut across the up per part of the Kock Fault and dis placed it to wards the NE, over the East Eu ro pean Craton fore land.

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Tournaisian 40Ar/39Ar age for alkaline basalts from the Lublin Basin (SE Poland)

Cited by 13 publications

References 9 publications

The Variscan foreland in Poland revisited: new data and new concepts

The Variscan foreland in Poland revisited: new data and new concepts

Late Carboniferous–early Permian events in the Trans-European Suture Zone: Tectonic and acid magmatic evidence from Poland

The Kock Fault Zone as an indicator of tectonic stress regime changes at the margin of the East European Craton (Poland)

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