Ancient Ice Reveals Scores of Gigantic Volcanic Eruptions

Ice cores drilled in Antarctica and Greenland have revealed gigantic volcanic eruptions during the last ice age. Sixty-nine of these were larger than any eruption in modern history. According to…

A fiery past sheds new light on the future of global climate change

Many of today’s climate models rely on past levels of greenhouse gasses and aerosols to validate their predictions for the future. But there’s a problem: While pre-industrial levels of greenhouse…

Common Martian Mineral Found in Antarctic Ice Core

Guest “geologizing” by David Middleton Geology rocks! Substance found in Antarctic ice may solve a martian mysteryBy Tess Joosse Jan. 26, 2021 Researchers have discovered a common martian mineral deep…

Ancient Air Challenges Prominent Explanation For A Shift In Glacial Cycles

From Nature An analysis of air up to 2 million years old, trapped in Antarctic ice, shows that a major shift in the periodicity of glacial cycles was probably not…

The epic search for oldest ice in Antarctica is starting

Università Ca’ Foscari Venezia Volume 90% Click here for project video. On 1st June 2019 the European Beyond EPICA Oldest Ice Core project started with the aim of drilling for…

An Instant Global Ocean Thermometer from Antarctic Ice Cores

Guest post by David Middleton Why bother with Argo floats and ocean heat content?  Now the average temperature of the oceans can be instantly calculated by the ratio of noble…

The Warmer The Icier Part II

Guest Post by Willis Eschenbach In the first part of this disquisition, I discussed the oddity that the warmer it gets around Antarctica, the more ice accumulates on the Antarctic…

Cosmic Rays, Sunspots, and Beryllium

Guest Post by Willis Eschenbach In investigations of the past history of cosmic rays, the deposition rates (flux rates) of the beryllium isotope 10Be are often used as a proxy…