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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: Proterozoic
Oman’s view of the Snowball Earth
Evidence from my field area of extreme climatic fluctuations 700 million years ago – but does it support the notion that the whole planet froze over?
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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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The amazing disappearing asymmetric magnetic reversals
Weird field behaviour in the Neoproterozoic vanishes when you add more data to the mix.
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What do you know about the Snowball Earth?
An informal poll – please respond.
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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

