Proceedings of the Estonian Academy of Sciences, Geology |
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allothigenic anatase aquifer aquitard Baltic basinwide model bedrock biostratigraphy black shale calibration Cambrian-Vendian aquifer system clastic dikes clasts clayey silt cm thick conodont Cordylodus sp crystalline basement Devonian Devonian sandstones diagenesis Dictyonema Shale Estonia Estonia Raukas Estonian Acad Estonian Academy Publishers Estonian Commission fine-grained flabelliformis fraction fracture fillings Gauja Formation Geol goethite grains graptolites groundwater flow hydraulic conductivity ilmenite Institute of Geology Kaljo Kallavere Formation kaolinite Karl Orviku Kivimagi Kleesment Kurvits lithology lithostratigraphy material Nicoll non-opaque minerals North Estonia occur open fractures Orasoja Member Orasoja section Ordovician overlying Pi7a Pirrus Piusa quarry Proc Puura quartz quartzose Quaternary deposits Rannu Member recharge Resources of Estonia Rhabdinopora Russian Saka-II section sample 14 sandstone sandstone clasts sedimentary sediments shale interbeds siltstone silty specimens Stratigraphy study area surface Tabina Tabina quarry Table Tallinn tectonic Teedumae Tremadocian University of Tartu upper Vaher Vallner Viira Visual MODFLOW wall