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The Authors
For lot's more videos on soil moisture topics, see Drs Selker and Or's text-book support videos https://www.youtube.com/channel/UCoMb5YOZuaGtn8pZyQMSLuQ/playlists
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Category Archives: deep time
Golden spike or no golden spike – we are living in the Anthropocene
This is not going to go well. After 15 years of discussion and exploration…Twelve members of the International Subcommission on Quaternary Stratigraphy (SQS) voted against the proposal to create an Anthropocene epoch, while only four voted for it. To be … Continue reading
Has Earth’s mantle always worked like it does today?
This seems to be the latest round in the eternal battle between the geophysics data which strongly suggests whole mantle convection (and for quite some time, if ideas about the origin of all the weird junk at the core-mantle boundary … Continue reading
How the UK’s tectonic past is key to its seismic present
Today I learnt something very interesting that I didn’t know before – that intraplate earthquakes in the UK mostly occur in western England and Scotland, not Ireland, eastern Scotland or southeast England (where I grew up). The cause of this … Continue reading
A new recipe for Large Igneous Provinces: just add BIF, then wait a couple of hundred million years
Here’s a new paper that proposes the biggest of big ideas: a 240 million year causal chain that runs from the Earth’s surface, to the core mantle boundary, and back again! Here’s how it supposedly goes: 1. Banded iron deposits … Continue reading
Remagnetisation spoils the paleomagnetic party again
Did the Earth have a magnetic field before 3.5 billion years ago? Previous paleomagnetic studies of the world’s oldest mineral grains – the Jack Hills zircons, which have maximum ages of 4.4 billion years – claimed that tiny inclusions of … Continue reading
Nice plan for content warnings on Mastodon and the Fediverse. Now you need a Mastodon/Fediverse button on this blog.