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Zonation of Lithuanian Silurian graptolites and other faunal groups
2020
Geologija Geografija
The Baltic Silurian Basin, Lithuanian Depression and other structures are shown in the map, with marked by isopachs (contour lines of equal thickness) of the Silurian beds with graptolites and fauna of other groups. The Silurian facies vary greatly in the Depression – from clayey open-sea deep shelf to carbonaceous ones of shallow shelf, and low-energy lagoon facies. The history of investigations on East Baltic area graptolites begins from 1953–1958, when 15 graptolite zones were singled out,
doi:10.6001/geol-geogr.v5i2.4131
fatcat:vmaxtebyejdghge7s6gt2a6ueu