Category Archives: deep time

Old tectonic scars run deep: the magnitude 5.0 earthquake in Ontario

The location of yesterday’s earthquake in Canada was controlled by tectonic processes that operated, and ceased, hundreds of millions of years ago.
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Categories: deep time, earthquakes, geohazards, geology, structures, tectonics

A very British paradigm shift

My admiration for the intellectual integrity of Arthur Holmes, and his patient advocacy of continental drift.
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Categories: deep time, geology

Oman’s view of the Snowball Earth

Evidence from my field area of extreme climatic fluctuations 700 million years ago – but does it support the notion that the whole planet froze over?
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Categories: climate science, deep time, fieldwork, geology, outcrops, palaeomagic, past worlds, Proterozoic

Earth’s forgotten youth – and beyond

A new attempt to map out the events of early earth history.
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Categories: deep time, geology, paper reviews, past worlds

Darwin, Deep Time and Evolution

A geological perspective was necessary to see the true power of natural selection.
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Categories: deep time, general science, geology