Publication Date:
2023-08-28
Description:
Baltic sediments have been studied by Behrens, Munthe, Küppers, Spethmann, Apstein, Sjöstedt, Pratje and the writer. The following types of sediments have been observed: varved and non-varved late-glacial clays, gray and black, post-glacial muds, and sands. The organic content of late-glacial clays ordinarily is less than 1.3 per cent, and of post-glacial muds more than 3 per cent. Sediments containing intermediate quantities are scarce. This can be explained as a result of the changed balance between organic and inorganic sedimentation when the glacial period ended; the abundance of fresh detritus then suddenly ceased and inorganic sedimentation became very much slower than before; consequently, the relative amount of organic detritus increased. As most of the material was not subjected to biological analysis, it has not been possible to distinguish different ages among post-glacial sediments.
Keywords:
Baltic Sea; Date/Time of event; Deposit type; DEPTH, sediment/rock; Description; Dredge; DRG; Elevation of event; Event label; GRIP-F12; GRIP-F23; GRIP-F29A; GRIP-F30A; GRIP-F31; GRIP-F37; GRIP-F38; GRIP-F38B; GRIP-F43; GRIP-F48; GRIP-F55; GRIP-F57; GRIP-F6; GRIP-F7; GRIP-F74; GRIP-F9; GRIP-Hundoren; GRIP-Kobba_Klintar; GRIP-Porkkala; GRIP-Villingin; Latitude of event; Longitude of event; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Page(s); Position; Quantity of deposit; Sample ID; Sediment type; Shape; Size; Substrate type
Type:
Dataset
Format:
text/tab-separated-values, 182 data points
