Tag Archives: impact

From the Journal of Younger Dryas Impact Hypothesis Studies

Posted on 28/07/2015 by richard telford

The Journal of Younger Dryas Impact Hypothesis Studies (formerly the prestigious journal known as the Proceedings of the National Academy of Sciences; PNAS) has just published Kennett et al, yet another paper promoting the hypothesis that the Younger Dryas, mass extinction … Continue reading →

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PNAS is a high impact journal

Posted on 03/09/2013 by richard telford

Another month, another paper enthusiastically discussing the thin evidence for a extra-terrestrial impact at the start of the Younger Dryas is published in PNAS. Wu et al (2013) report osmium isotope ratios from putative Younger Dryas boundary layers at various … Continue reading →

Posted in climate, Peer reviewed literature | Tagged , , , , | 3 Comments

Platinum spikes extra-terrestrial impact as initiator of Younger Dryas

Posted on 24/07/2013 by richard telford

Decades passed between the first suggestion that the mass extinction at the Cretaceous-Palaeogene boundary was caused by an extra-terrestrial impact, and this hypothesis becoming accepted by most geologists as evidence — the global iridium anomaly, shocked quartz grains and tektite … Continue reading →

Posted in climate, Peer reviewed literature | Tagged , , , | 2 Comments