Provenance of Cretaceous clastics in the Subhercynian Basin: constraints to exhumation of the Harz Mountains and timing of inversion tectonics in Central Europe

2007 ◽  
Vol 97 (6) ◽  
pp. 1315-1330 ◽  
Author(s):  
Hilmar von Eynatten ◽  
Thomas Voigt ◽  
Angela Meier ◽  
Hans-Joachim Franzke ◽  
Reinhard Gaupp
2021 ◽  
Author(s):  
Hilmar von Eynatten ◽  
Jonas Kley ◽  
István Dunkl

<p>Large parts of Central Europe have experienced exhumation in Late Cretaceous to Paleogene time. Previous studies mainly focused on thrusted basement uplifts to unravel magnitude, processes and timing of exhumation. In this study we present a comprehensive thermochronological dataset from mostly Permo-Triassic strata exposed adjacent to and between the major basement uplifts in central Germany, comprising an area of at least some 250-300 km across. Results of apatite fission track and (U-Th)/He analyses from >100 new samples reveal that (i) km-scale exhumation affected the entire region, suggesting long-wavelength domal uplift, (ii) thrusting of basement blocks like the Harz Mountains and the Thuringian Forest focused in the Late Cretaceous (about 90-70 Ma) while superimposed domal uplift of central Germany appears slightly younger (about 75-55 Ma), and (iii) large parts of the domal uplift experienced removal of 3 to 4 km of Mesozoic strata. Using spatial extent, magnitude and timing as constraints we find that thrusting and crustal thickening alone can account for no more than half of the domal uplift. Most likely, dynamic topography caused by upwelling asthenosphere has contributed significantly to the observed pattern of exhumation in central Germany.</p>


2019 ◽  
Vol 30 (4) ◽  
pp. 765-775 ◽  
Author(s):  
Vincent Hoeber ◽  
Tizian Weichgrebe ◽  
Gerhard Zotz

Solid Earth ◽  
2021 ◽  
Vol 12 (4) ◽  
pp. 935-958
Author(s):  
Hilmar von Eynatten ◽  
Jonas Kley ◽  
István Dunkl ◽  
Veit-Enno Hoffmann ◽  
Annemarie Simon

Abstract. Large parts of central Europe experienced exhumation in Late Cretaceous to Paleogene time. Previous studies mainly focused on thrusted basement uplifts to unravel the magnitude, processes and timing of exhumation. This study provides, for the first time, a comprehensive thermochronological dataset from mostly Permo-Triassic strata exposed adjacent to and between the basement uplifts in central Germany, comprising an area of at least some 250–300 km across. Results of apatite fission-track and (U–Th) / He analyses on > 100 new samples reveal that (i) kilometre-scale exhumation affected the entire region, (ii) thrusting of basement blocks like the Harz Mountains and the Thuringian Forest focused in the Late Cretaceous (about 90–70 Ma), while superimposed domal uplift of central Germany is slightly younger (about 75–55 Ma), and (iii) large parts of the domal uplift experienced removal of 3 to 4 km of Mesozoic strata. Using spatial extent, magnitude and timing as constraints suggests that thrusting and crustal thickening alone can account for no more than half of the domal uplift. Most likely, dynamic topography caused by upwelling asthenosphere significantly contributed to the observed pattern of exhumation in central Germany.


2020 ◽  
Author(s):  
Hilmar von Eynatten ◽  
Jonas Kley ◽  
István Dunkl ◽  
Veit-Enno Hoffmann ◽  
Annemarie Simon

Abstract. Large parts of Central Europe have experienced exhumation in Late Cretaceous to Paleogene time. Previous studies mainly focused on thrusted basement uplifts to unravel magnitude, processes and timing of exhumation. This study provides, for the first time, a comprehensive thermochronological dataset from mostly Permo-Triassic strata exposed adjacent to and between the basement uplifts in central Germany, comprising an area of at least some 250–300 km across. Results of apatite fission track and (U-Th)/He analyses on > 100 new samples reveal that (i) km-scale exhumation affected the entire region, (ii) thrusting of basement blocks like the Harz Mountains and the Thuringian Forest focused in the Late Cretaceous (about 90–70 Ma) while superimposed domal uplift of central Germany is slightly younger (about 75–55 Ma), and (iii) large parts of the domal uplift experienced removal of 3 to 4 km of Mesozoic strata. Using spatial extent, magnitude and timing as constraints suggests that thrusting and crustal thickening alone can account for no more than half of the domal uplift. Most likely, dynamic topography caused by upwelling asthenosphere has contributed significantly to the observed pattern of exhumation in central Germany.


2020 ◽  
Vol 21 (3) ◽  
pp. 577-587
Author(s):  
Sarah Ashley Mueller ◽  
Tobias Erik Reiners ◽  
Tomma Lilli Middelhoff ◽  
Ole Anders ◽  
Anna Kasperkiewicz ◽  
...  

1992 ◽  
Vol 11 (2) ◽  
pp. 229-231
Author(s):  
Gerhard Becker ◽  
Horst Blumenstengel

Abstract. A third Kirkbyites species, K. hercynicus sp. nov., is described from the early Upper Devonian (early Famennian) of the Harz Mountains (Central Europe) to join the other two known species of the genus Kirkbyites upsoni Johnson, the Upper Carboniferous type species from Nebraska (U.S.A.), and the late Upper Devonian Kullmannissites? solus Becker from N Spain (W Europe). Its biotype indicative carapace features, characteristic of marine low-energy palaeo-environments, place Kirkbyites Johnson, 1936 (Ostracoda, Palaeocopida, Kirkbyacea, Amphissitidae) into Becker’s “Thuringian” ecotype.


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