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  1. en.wikipedia.org › wiki › List_of_Global_Boundary_StratotypeList of Global Boundary Stratotype Sections and Points

    16 ore fa · Since 1977, Global Boundary Stratotype Sections and Points (abbreviated GSSPs) are internationally agreed upon reference points on stratigraphic sections of rock which define the lower boundaries of stages on the geologic time scale. They are selected by the International Commission on Stratigraphy based on multiple factors, but their ...

  1. Ricerche correlate a "Luisa Mattioli"

    roger moore