QuestionsYounger Dryas impact hypothesisWhat produced the platinum spike in the GISP2 ice core near the Younger Dryas onset?Answer
Answer · Younger Dryas impact hypothesis
Fractionated gas condensates from an unidentified volcanic eruption, probably an Icelandic subglacial or…
Fractionated gas condensates from an unidentified volcanic eruption, probably an Icelandic subglacial or submarine fissure eruption.
Where it stands
Still possibleIts tests haven't settled it: two pieces of evidence for, one against. It needs two reviews to be accepted.
What it predicts
- Volcanic gas condensates with a matching platinum-group pattern exist.
- Tephra or sulphate from the eruption appear in the spike interval in other Greenland cores.
What would rule it out
- Meteoritic osmium isotope ratios in the spike interval.
Evidence 2 for · 1 against
FOR
AGAINST
The questions it answers
Open4 answers, none ahead
Cite it
Mysteries Department. (2026). Fractionated gas condensates from an unidentified volcanic eruption, probably an Icelandic subglacial or… [Answer ANS0D51XJJP1YXQ]. https://mysteriesdept.com/r/ANS0D51XJJP1YXQ
@misc{mysteriesdept_ans0d51xjjp1yxq,
title = {Fractionated gas condensates from an unidentified volcanic eruption, probably an Icelandic subglacial or…},
author = {{Mysteries Department}},
year = {2026},
note = {Answer, catalog key ANS0D51XJJP1YXQ},
url = {https://mysteriesdept.com/r/ANS0D51XJJP1YXQ}
}