Category Archives: geology

Castle geology

Being a giant geo-nerd, I tend to pepper my travels with a lot of geologically or hydrologically interesting places. A recent trip brought me to the UK and included a meetup with my coblogger in Edinburgh. Being an American tourist, … Continue reading

Categories: by Anne, geology

Snowball Earth no problem for sponges

Evidence from numerous sources seems to be converging to suggest that sponges – the first animals – emerged much earlier than the beginning of the Cambrian, and apparently sailed through severe climatic events in the Cryogenian without much trouble at all. Continue reading

Categories: fossils, geology, paper reviews, past worlds, Proterozoic

Glacial deposits new and old in the Scottish isles

Islay – one of the birthplaces of the Snowball Earth. And good whisky. Continue reading

Categories: deep time, geology, outcrops, past worlds, photos, Proterozoic, rocks & minerals

Standing up for serpentinite

The presence of serpentinite is like a big red flag telling geologists “interesting tectonic stuff here!”. But in California, that might not be the only red flag that you will be seeing in the future, if the state government have their way. Continue reading

Categories: antiscience, geology, public science, rocks & minerals, science education

Friday focal mechanisms

A brief summary of the week’s large earthquakes and their tectonic context.
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Categories: earthquakes, geology, tectonics