Clausen, Claus-Dieter; Leuteritz, Klaus (2015): Neptunian dikes and their fillings in carbonates of the Warstein area (northeastern Rhenish massif) [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.854433, Supplement to: Clausen, C-D; Leuteritz, K (1989): Spalten und ihre Füllungen in den Carbonatgesteinen des Warsteiner Raumes (nordöstliches Rheinisches Schiefergebirge). Fortschritte in der Geologie von Rheinland und Westfalen, 35, 309-391, hdl:10013/epic.46073.d004
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Abstract:
Neptunian dikes and cavities as weil as their fillings are described from Middle to Upper Devonian carbonates of the Warstein area.
The genesis of the pre-Upper Carboniferous dikes is due to pre-orogenic synsedimentary tensional movements. Lifting, subsidence and tilting caused joints and cracks, which are enlarged to dikes and cavities on submarine conditions.
The post-Upper Carboniferous dikes are based on the orogenesis during Upper Carboniferous time, causing numerous tectonical divisional planes in the sediments. Along these planes a far-reaching karstification took place since mesozoic time.
According to their size the cavities are subdivided into macro-, mega- and microdikes. With the exception of one macrodike all the others are limited to the massive limestone. Megadikes especially occur in Upper Devonian cephalopod limestone and in the Erdbach limestone, microdikes can be found in all carbonatic rocks. The dikes follow pre-orogenic, tectonical and sedimentary divisional planes and are orientated to ac-, bc- as well as bedding planes and diagonal directions.
The fillings happened down from above either in a solitary event or repeatedly in long-lived dikes during a span of several ten millions of years. More seldom the fillings took place laterally or upside from beneath. The dikes contain - without regard to autochthonous conodont faunas - older and/or younger mixed faunas, too. Occasionally they were used as life district by a trilobite fauna adapted to the dikes.
The dikes represent sedimentary pitfalls and conserve sediments eroded in other places. Therefore, by aid of the fillings, it can be demonstrated, that stratigraphic gaps are not absolutely due to primary interruptions of sedimentation, but were caused by reworking. Some dikes contain the distal offsets of slides and suspension streams.
Relations between condensation and development of dikes could not be derived in the Warstein area. However, an increase of the frequency of dikes towards east to the eastern margin of the Warstein carbonate platform could be pointed out. This margin is a slope, persisting more than 10 millions of years, between a block and a basin. Evidently cracks and dikes, which were caused by settlements, slides and earth quakes, occured there frequently.
The Warstein dikes and cavities, caused by karstification, are filled with terrestrial Lower Cretaceous, marine Upper Cretaceous and terrestrial Pleistocene to Holocene sediments. Tertiary sediments could not be detected.
Related to:
Amirie, Ghullam Hussein Bares; Clausen, Claus-Dieter; Friman, Lars; Korn, Dieter; Leuteritz, Klaus; Rescher, Konrad; Stritzke, Rüdiger; Wilder, Heinz; Ziegler, Willi (1989): Das Oberdevon des Rheinischen Schiefergebirges - Datierung und Grenzziehung als Grundlage für Fazies und Paläogeographie. Fortschritte in der Geologie von Rheinland und Westfalen, 35, 413 pp, hdl:10013/epic.46073.d001
Coverage:
Median Latitude: 51.449735 * Median Longitude: 8.452637 * South-bound Latitude: 51.431270 * West-bound Longitude: 8.410000 * North-bound Latitude: 51.461180 * East-bound Longitude: 8.522950
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Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
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Datasets listed in this publication series
- Clausen, C-D; Leuteritz, K (2015): (Table 3) Distribution and abundance of conodonts at profile Kalvarienberg. https://doi.org/10.1594/PANGAEA.854431
- Clausen, C-D; Leuteritz, K (2015): (Table 4) Distribution and abundance of conodonts at profile Klippen am Kalvarienberg. https://doi.org/10.1594/PANGAEA.854432
- Clausen, C-D; Leuteritz, K (2015): (Table 1) Distribution and abundance of conodonts at profile Steinbruch am Hessenkamp. https://doi.org/10.1594/PANGAEA.854429
- Clausen, C-D; Leuteritz, K (2015): (Table 2) Distribution and abundance of conodonts at profile Steinbruch Weiken Nordwestwand. https://doi.org/10.1594/PANGAEA.854430