The GISP2 ice core: picture

PhotographPublic domainPlatinum spike at the Younger Dryas onset reported 2013Copy of The GISP2 ice core

The record that dates the onset and carries the platinum anomaly; Green and colleagues (2025) argue the spike is volcanic.

NOAA, 2013. Public domain

Copies 1

PictureNOAA · commons.wikimedia.org · Public domain (US government work)1 step from the original

Where it's published

Where it was made

GISP2 drill site, Summit, Greenland · Ice-core drill site

Sources 1

Large Pt anomaly in the Greenland ice core points to a cataclysm at the onset of Younger DryasSRC

Cite it

Mysteries Department. (2026). The GISP2 ice core: picture [Copy CPY0D51XXT24102]. https://mysteriesdept.com/r/CPY0D51XXT24102

@misc{mysteriesdept_art0d51xxae2580,
  title     = {The GISP2 ice core: picture},
  author    = {{Mysteries Department}},
  year      = {2026},
  note      = {Artifact, catalog key CPY0D51XXT24102},
  url       = {https://mysteriesdept.com/r/CPY0D51XXT24102}
}