Lower Wenlock black shales in the northern Holy Cross Mountains, Poland; sedimentary and geochemical controls on the Ireviken event in a deep-marine setting

The stratigraphic variability and geochemistry of Llandovery/Wenlock (L/W) Series boundary sediments in Poland reveals that hemipelagic sedimentation under an anoxic/euxinic water column was interrupted by low-density bottom currents or detached diluted turbid layers that resulted in intermittent se...

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Veröffentlicht in:	Geological magazine 2017-03, Vol.154 (2), p.247-264
Hauptverfasser:	Smolarek, Justyna, Trela, Wieslaw, Bond, David P. G, Marynowski, Leszek
Format:	Artikel
Sprache:	eng
Schlagworte:	actinides anaerobic environment Anoxic conditions basin analysis black shale Boreholes Bottom currents Central Europe chemical composition chemical ratios Chemocline clastic rocks Deep water deep-sea environment depositional environment Europe Fluctuations framboidal texture Geochemistry hemipelagic environment Ireviken event lithostratigraphy Lower Silurian marine environment Marine geology metals Mountains Ocean floor Organic carbon organic compounds Oxygenation paleoenvironment Paleozoic Poland Pyrite rock, sediment, soil sed rocks, sediments sedimentary petrology sedimentary rocks Sedimentation Sedimentation & deposition sedimentology Shales Silurian Stratigraphy sulfides sulfur Swiety Krzyz Mountains textures thorium total organic carbon trace elements uranium vanadium Water column Wenlock Wilkow Poland
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