Proceedings of the Estonian Academy of Sciences, Geology |
Common terms and phrases
8I3C values Aeronian Aizpute core allochthonous allochthonous breccias allochthonous suevitic breccias autochthonous breccia Burtnieki carbon isotope cave chalcopyrite chalcopyrite crystals claystone Core K18 Core Kl correlated cracked crystalline deep shelf Devonian Devonian sandstones East Baltic Eesti episode Estonia Estonian Acad facies fracture systems garnet grains Gauja Geol Geology glaciation graptolite graptolite Zone greenish-grey grey hematite Hirnantian Ikla Member impact interval Kaljo Kardla crater Kiipli Kleesment Konsa late Aeronian Latvia lithological Llandovery marlstones MB layers metabentonite micritic limestones minerals negative excursion negative shift occur Ordovician orientation of fractures outcrops parautochthonous Pirrus planetary fracturing positive excursions Pusku pyrite Raikkiila red beds Rhuddanian rim wall Ruhnu Rumba Rumba Formation Russian Saaremaa sample sea level sections sedimentation shock Shul'ts Silurian South Estonia Staicele stratigraphical studied subcrater basement subhedral suevitic surrounding Tallinn Technical University Tartu Telychian unshocked Velise Velise Formation Viki core volcanic West Estonia West Latvia zircon zircon grains