Evidence · Younger Dryas impact hypothesis

The GISP2 spike has Pt/Ir ratios above all known terrestrial and chondritic materials and very high Pt/Al…

The GISP2 spike has Pt/Ir ratios above all known terrestrial and chondritic materials and very high Pt/Al ratios.

Supported0

What it bears on 1 answer

A small or differentiated extraterrestrial body (such as an iridium-poor iron meteorite) left the Greenland…

Still possible

FOR

Cite it

Mysteries Department. (2026). The GISP2 spike has Pt/Ir ratios above all known terrestrial and chondritic materials and very high Pt/Al… [Evidence EVD0D51XCZ0731Q]. https://mysteriesdept.com/r/EVD0D51XCZ0731Q

@misc{mysteriesdept_evd0d51xcz0731q,
  title     = {The GISP2 spike has Pt/Ir ratios above all known terrestrial and chondritic materials and very high Pt/Al…},
  author    = {{Mysteries Department}},
  year      = {2026},
  note      = {Evidence, catalog key EVD0D51XCZ0731Q},
  url       = {https://mysteriesdept.com/r/EVD0D51XCZ0731Q}
}