Tag Archives: Snowball Earth

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