Skeptophilia
Fighting Gullibility with Sarcasm, 6 days a week
Showing posts with label
thermochronology
.
Show all posts
Showing posts with label
thermochronology
.
Show all posts
Friday, September 5, 2025
Mind the gap
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In 1869, explorer John Wesley Powell did the first systematic study of the geology of the Grand Canyon. As impressive as it is, the Grand ...
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