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- What I do to make money and make the wet places good for animals and people (using only the ten hundred most used words)
- In large earthquakes, the Earth moves for almost everyone
- And the ScienceSeeker Award for best physics, astronomy, or earth science post goes to…
- Weekend procrastination for geonerds
- The dimensions of natural disasters
- After the dam came out: The Cuyahoga River in Kent
- My class visits the Geology Department – by Geokid
- The intrusion of nature
Latest Comments
- On And the ScienceSeeker Award for best physics, astronomy, or earth science post goes to…:
- Silver Fox: Very nice! Read
- Carol Jefferson: Most excellent, Chris. Read
- Chenjian: Cool! Congratulations! Read
- Eric Bilderback: As noted in other comments, the three axis plot is a graphical representation of some of the... Read
- Damian Grant: This is exactly the representation of risk used in the risk literature, where Vulnerability is... Read
- Gaythia Weis: I agree that vulnerability is key. This could be quite useful in such things as future development... Read
- Anne Jefferson: The Pennsylvania and Ohio canal was constructed around 1840 and went out of use in ~1857. A... Read
- Lab Lemming: How long since the locks were navigated? They look early 1800′s from the channel size. Read
Geotweetage
Category Archives: fossils
A new podclast for your listening pleasure
Volcanoes and dinosaurs and 50′s sci-fi, oh my!
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Single-celled trace fossils?
Remember those controversional macro- and trace fossils from the 2 billion year-old Stirling formation? They seemed to offer the intriguing possibility that multicellular life may have popped into being far earlier in Earth history than is generally supposed. However, this … Continue reading
Telling a dinosaur footprint from a hole in the ground
How do palaeontologists know?
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The Stirling fauna: big critters from the dawn of time?
I really wasn’t intending to leave Geopuzzle 14 hanging out unanswered on the interweb for as long as it has – and not just because my delay has apparently put my beer stash in jeopardy. The answer is actually both … Continue reading
Geopuzzle #14
This authors of the paper the figure below comes from claim that it’s a fossil of some kind: Do you agree? What do you think it is, and how old do you think it is?
