Category Archives: fossils

Oregon’s fossil forests

Today is National Fossil Day, and half way through Earth Science Week. In honor of the occasion, I present a few notes and photos from a trip I took with my botanist mother to the John Day Fossil Beds in … Continue reading

Categories: by Anne, Cenozoic, fossils, outcrops

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

How do we know Gabon’s ‘multicellular’ fossils are 2.1 billion years old?

The fossil record prior to 550 million years ago is so patchy that every discovery is going to cause some fanfare. That is certainly case with these odd looking things, which have been proclaimed in Nature as the oldest mulitcellular … Continue reading

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

Neoproterozoic signs of life

Whilst the the dawn of the Cambrian clearly marked the diversification of mobile, active animals and biomineralisers, the story of their first origins appear to have begun much earlier.
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Categories: fossils, geology, paper reviews, past worlds, Proterozoic

Coal and the fossil record of climate change in the Canadian High Arctic

Spectacular fossilized forests in the Canadian High Arctic provide clues to life on a warmer earth. Unless we mine their coal in order to heat our planet back to the Eocene.
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Categories: by Anne, Cenozoic, climate science, environment, fossils, photos