Search this blog
- Kent State University’s Water and Land Symposium
- A cross-section through the Earth
- Happy 100th Birthday, National Park Service!
- Flash flooding in Maryland: freak event? climate change symptom? urban runoff problem? Or all of the above?
- A week in the life of a scientist – Anne’s first week of summer
- Environmental Earth Science in the News – Spring semester 2016 compilation
- Snapshots of the Middle Cuyahoga River on World Water Day
- A year of Anne’s reading – looking back
- On A year of Anne’s reading – looking back:
- Tor B: I copied your review of ‘insidious data disasters’ to the Arctic Sea Ice Forum. Thanks for... Read
- Anne Jefferson: You are right! But I know it was when I read it. It must have been a limited time offer... Read
- HD: Great post. The article you linked at the end is not OA, unfortunately… Looks like a good one, though. Read
- Lockwood: Supposedly, there’s a similar hole at Fish Lake, but as I said, the most recent visit was so hot... Read
- Lockwood: Definitely a nearby site I want to look at further. Dana didn’t make it down this summer, and... Read
- Christina Pikas: I really enjoyed The Signature of All Things… had not really thought much about mosses. Read
- Lockwood: My great-great grandfather and namesake, Charles Brown Lockwood, wrote in his short autobiography... Read
Category Archives: Proterozoic
What geology tells us about the evolution of the Earth’s atmosphere.
I tempered the other week’s repost on some rather impressive 1.5 billion year-old black smoker chimneys, and the fossilised microbes found within them, with some words of caution about the ‘clues to the origin of life’ spin that the discovery … Continue reading
Some of the more massive limestone beds in the Nama group are chock full of stromatolites, the remnants of sizeable Precambrian algal reefs. Technically, stromatolites are not true fossils, because the mineralised layers are not directly precipitated by the photosynthetic … Continue reading