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Where is the Global Boundary Stratotype Section and Point for the Oligocene-Miocene boundary?
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Tertiary Period
Gypsum cones, which resulted from the evaporation of the Mediterranean Sea during the Messinian Salinity Crisis, in the Sorbas basin, Spain.
The Global Boundary Stratotype Section and Point (GSSP) for the Oligocene-Miocene boundary, which also marks the transition between the Paleogene Period and the Neogene Period, is located in Carrosio, Italy. This boundary is estimated to be approximately 23 million years old.1