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- 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
- Echoes of Wenchuan: magnitude 6.6 earthquake shakes Sichuan province in west China.
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: rocks & minerals
Scenic Saturday: a pilgrimage back to the grand granitic tors of Dartmoor
The high and rugged scenery of Dartmoor is as wild and untamed a landscape as you’re likely to find in the United Kingdom, and would seem to have more in common with the Scottish Highlands than the prim and proper … Continue reading
New at Erratics: the mysterious iron ore of Bell Island, Conception Bay, Newfoundland
We’re pleased to welcome our latest contributer to Earth Science Erratics: Tim Sherry, a graduate student at McGill University. His first entry (cross-posted from Tim’s newly created geoblog, Up-Section), gives an account of a memorable stop on a recent field … Continue reading
New at Erratics: Chalk is weird
The theme for the upcoming Accretionary Wedge is ‘weird geology’. In his contribution, Simon Wellings takes a look at what might superficially appear to be an unlikely subject: the chalk that forms the rolling hills of southern England: No texture, … Continue reading
New at Erratics: more adventures in copper mineralisation
Nina Fitzgerald, our latest Earth Science Erratics contributor, continues and concludes her run of guest posts with two more articles on copper mineralisation. In the first, she explains the role of hydrothermal sulphide mineralisation in forming copper ore: Still wondering … Continue reading

