Richard Gibson
@richardgibson.bsky.social
Geologist (gravity & magnetics, tectonics), mineral collector, old cycler in Butte, Montana USA. Author "What Things Are Made Of," "History of Earth Perpetual Calendar." ⚒️ #geology posts: https://richardigibson.substack.com . Equality for all, no MAGA.
The gastropod here is obviously not in the feeding position, but I always liked to think it was just rotated for some reason. Maybe the whole relationship was just fortuitous... Token is about 40 mm.
November 23, 2025 at 3:34 AM
The gastropod here is obviously not in the feeding position, but I always liked to think it was just rotated for some reason. Maybe the whole relationship was just fortuitous... Token is about 40 mm.
The Soviet Union may have issued stamps every year for Geologists Day (first sunday in April)
November 15, 2025 at 1:24 AM
The Soviet Union may have issued stamps every year for Geologists Day (first sunday in April)
There's actually a lot, especially if you want to include mining.
November 15, 2025 at 1:19 AM
There's actually a lot, especially if you want to include mining.
South Africa - www.paleophilatelie.eu/description/...
Paleophilatelie.eu - South Africa 2016, South African Geology
Detail description of stamp set South Africa 2016 - South African Geology
www.paleophilatelie.eu
November 15, 2025 at 1:18 AM
South Africa - www.paleophilatelie.eu/description/...
That's great. I had an MRI of my head once and the report was "The brain is unremarkable." I was pleased but also a bit miffed.
November 12, 2025 at 3:04 PM
That's great. I had an MRI of my head once and the report was "The brain is unremarkable." I was pleased but also a bit miffed.
For sure, that's amazingly cool. Thanks!
November 10, 2025 at 3:41 PM
For sure, that's amazingly cool. Thanks!
Perhaps... this one is really complex and I don't pretend to have the full story, but I'm working on a substack post about it... 🙂
November 3, 2025 at 11:05 PM
Perhaps... this one is really complex and I don't pretend to have the full story, but I'm working on a substack post about it... 🙂
I don't think there are enough chemicals to eradicate the smell.
October 18, 2025 at 12:29 AM
I don't think there are enough chemicals to eradicate the smell.
Next time you're in Montana, go to the clay pit in the Greyson Shale (Belt) north of Cardwell. It's where Clays in Calico in Cardwell got their materials.
October 11, 2025 at 4:16 PM
Next time you're in Montana, go to the clay pit in the Greyson Shale (Belt) north of Cardwell. It's where Clays in Calico in Cardwell got their materials.
More information here: richardigibson.substack.com/p/oil-on-cal...
Oil on calcite
Rensselaer, Indiana
richardigibson.substack.com
September 29, 2025 at 3:10 PM
More information here: richardigibson.substack.com/p/oil-on-cal...