The role of the Leba Ridge–Riga–Pskov Fault Zone in the tectonic evolution of the deep-facies Livonian Tongue within the Baltic Ordovician–Silurian sedimentary basin: a review
Abstract:Located in the interior of the East European Craton (EEC), the Baltic Ordovician-Silurian Basin hosts an elongated tonguelike deepmarine depression, the Livonian Tongue (LT), which extends from Sweden across Latvia and separates the Estonian and Lithuanian shallowmarine shelves. The tectonic origin of the LT has been suggested already since its discovery in the early 1960s. However, the nature of tectonic forces and mechanisms behind the evolution of this narrow intracratonic subsidence zone in the Ordovician-… Show more
“…This sequence reaches a thickness of over 1 km in the deeper areas of the BAB, while pinching out in the southeast and north (Poprawa et al 1999;Lukševičs et al 2012). The Ordovician and Silurian sedimentary rocks have been considerably faulted, especially along the Liepāja-Pskov fault zone in the central part of the BAB (Brangulis & Kanevs 2002;Tuuling & Põldsaar 2021). Faults are an important factor for aquifer connectivity, as they may block the water flow or act as vertical aquifers, connecting otherwise disconnected aquifers (Virbulis et al 2013).…”
We review our current understanding of groundwater flow history in the northern part of the Baltic Artesian Basin (BAB) from the end of the Late Pleistocene to current conditions based on the hydrogeological studies carried out in 2012-2020 by the
“…This sequence reaches a thickness of over 1 km in the deeper areas of the BAB, while pinching out in the southeast and north (Poprawa et al 1999;Lukševičs et al 2012). The Ordovician and Silurian sedimentary rocks have been considerably faulted, especially along the Liepāja-Pskov fault zone in the central part of the BAB (Brangulis & Kanevs 2002;Tuuling & Põldsaar 2021). Faults are an important factor for aquifer connectivity, as they may block the water flow or act as vertical aquifers, connecting otherwise disconnected aquifers (Virbulis et al 2013).…”
We review our current understanding of groundwater flow history in the northern part of the Baltic Artesian Basin (BAB) from the end of the Late Pleistocene to current conditions based on the hydrogeological studies carried out in 2012-2020 by the
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