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- Hope Jahren, isotope detective
- Scenic Saturday: Upper Mississippi Islands
- Stuff we linked to on Twitter last week
- Friday Focal Mechanism: M 7.4, Oaxaca, Mexico
- Geological maps: still interesting even when there’s only one rock type
- Stuff we linked to on Twitter last week
- Scenic Saturday: from desert to verdant grassland in 10 miles (and 1000 m)
- The humbling legacy of the Tohoku earthquake
Latest Comments
- On Hope Jahren, isotope detective :
- Lab Lemming: Translating the inside baseball isotope talk above: http://lablemminglounge.blo... (8 days 19 hours ago)
- Hope Jahren: Picarro, but if I had to do it over again I’d go Los Gatos. Long story. (9 days 7 hours ago)
- Lab Lemming: Los Gatos or Picarro? (9 days 7 hours ago)
- Matt Herod: The map of Hawaii looks like a mineral grain in thin section. Very cool. (20 days 11 hours ago)
- The Bobs: The colors on Io’s surface are primarily caused by allotropes of sulfur. Do geologists know... (55 days 10 hours ago)
- Peter Council: I won’t stand for disruptive behaviour, but I’m not that good at dealing with it, simply... (44 days 0 hours ago)
- Pam: As a non-geologist, I am hoping you have something posted about the Wisconsin booms which are being... (53 days 16 hours ago)
- terry: This didn’t fill in the Guerrero Gap. (54 days 9 hours ago)
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Category Archives: deep time
More thoughts on illustrating geological time
What is the best way to plot the timescale? Mine, obviously…
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Timescales for all
So I’ve been playing around a bit with my mini timescale, and it is now available in two flavours, the original, but improved, right to left orientation: Download EPS version and the all-new left to right version, which I have … Continue reading
When the hell are we?
Whenever you’re trying to talk about science to a broader audience, one of the major challenges is cutting out the jargon. Sometimes, though, the real difficulty is not so much in translating the jargon, as identifying it in the first … Continue reading
2700 million years in one outcrop
Now this is what I call continental stablity…
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The slow death of a sedimentary basin
Time catches up with us all – even rocks…
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Pangaea Day, geology-style
A brief geographic trip into the late Triassic.
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Uniformitarianism in action (sort of)
Most of you correctly identified the sedimentary structures in Friday’s mystery photo: two sets of ripple marks can be seen on the left, and a lower bed on the right has what look like dessication/mud cracks, formed by the drying … Continue reading
Do we need a new geological epoch?
Anthropocene! Naming a new geological time period after ourselves certainly has a nice dramatic ring to it, even if it smacks of the hubris that got us into our current climatic mess in the first place. But can our species, … Continue reading
19th century geologists slandered again
Are folks at the University of Bristol intentionally trying to annoy me? In the very same week that I write about the abundant signs of old age in the rock record, they put out a press release which states: By … Continue reading
Sorry creationists: rocks just aren’t that coy about their age
and they’re not embarrassed about being a few billion.
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