Evolution of the Baltic Sea |
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Pleistocene |
Eemian Sea (130,000–115,000 BCE) Ice sheets and seas (115,000–14,000 BCE) |
Holocene |
Baltic Ice Lake (14,000–9,670 BCE) Yoldia Sea (9,670–8,750 BCE) Ancylus Lake (8,750–7,850 BCE) Mastogloia Sea (Initial Littorina Sea} (7,850–6,550 BCE) Littorina Sea (6,550–2,050 BCE) Modern Baltic Sea (2,050 BCE–present) |
Sources. Dates are not BP. |
The Mastogloia Sea (also Early Littorina Sea, Initial Littorina Sea) is one of the prehistoric stages of the Baltic Sea in its development after the last ice age.[1] It is characterised by distinctive deposits of the calciferous shell of species of the diatom Mastogloia that were used for paleoenvironmental reconstructions.[2][3] This transition took place at different times in different parts of the Baltic basin c. 9000 years ago following the Ancylus Lake stage and preceding the full Littorina Sea stage.[a]
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