= Global Boundary Stratotype Section and Point
{wiki=Global_Boundary_Stratotype_Section_and_Point}
The Global Boundary Stratotype Section and Point (GSSP) is a specific type of geological marker used to define the boundaries between different geological time intervals, known as stages or epochs, in the geological time scale. The GSSP is a formally recognized reference point that is designated by the International Union of Geological Sciences (IUGS). The concept of GSSP arose from the need for a global standard to facilitate communication and correlation of geological time across different regions and disciplines.
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