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The Geology Letter: Dispatches from Deep Time
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Big City Rocks
Central Park was a subduction zone
Apr 22
•
Jim Kling
4
Latest
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A Volcano's Crystalline Interior
A close look at the "growth rings" of crystals tell a story about volcanic eruptions
Apr 2
•
Jim Kling
2
Are River Valley Landslides Predictable?
Maybe. And you can blame a glacier.
Feb 26
•
Jim Kling
Polished Stone and Ancient Tropics
Slickensides used to be a mystery to me
Feb 12
•
Jim Kling
1
Of Lakes and Earthquakes
Two lakebeds in Alaska tell the stories of megathrust subduction earthquakes in the recent past.
Oct 20, 2025
•
Jim Kling
3
1
Mt. Rainier, Mt. St. Helens, and other Volcanics
In September, I spent a couple of days driving the vicinity of Mt.
Sep 24, 2025
•
Jim Kling
1
Footprints in the White Sand
New evidence that humans wandered a New Mexico lakeshore 22,000 years ago.
Aug 20, 2025
•
Jim Kling
1
Coming soon
This is The Geology Letter: Dispatches from Deep Time.
Jul 17, 2025
•
Jim Kling
1
See all
The Geology Letter: Dispatches from Deep Time
The rocks reveal a former world. This Substack tells their stories.
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The Geology Letter: Dispatches from Deep Time
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