The Geologic Column
by Richard I Gibson
#249
in 🔬 Science
in 🔬 Science
The Geologic Column
About the Substack
Geology newsletter by Richard I. Gibson. Anything about geology, with a focus on minerals and tectonics.
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About Richard I Gibson
I'm a geologist and historian living in Butte, Montana USA. Author of the History of the Earth Perpetual Calendar, What Things Are Made Of, and Butte Rocks.
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