The Older Peron was the name for a period identified in 1961 as an episode of a global sea-level (i.e. eustatic) high-stand during the

Holocene Epoch The Holocene () is the current geological epoch, beginning approximately 11,700 years ago. It follows the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene together form the Qu ...

. Modern understanding of the various factors involved in quantifying eustatic sea level, particularly processes relating to ocean siphoning and glacio-hydro-isostatic adjustment, claim that such previous instances of purported high-stands were not globally coherent, and do not constitute episodes of eustatic sea level higher than present.

References

Sea level Holocene Historical eras {{Climate-stub