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- On A harder look at the geology of diamonds:
- Metageologist: I’ve replied on the Sci Am site, but some more thoughts here. The arguments for a... (7 days 1 hour ago)
- Torbjörn Larsson, OM: Ah, I meant to say that anoxygenic photosynthesis was consistent with the Isua finds. I... (7 days 3 hours ago)
- Torbjörn Larsson, OM: For some reason I had managed to notice most of the sulfur works, but not the diamond... (7 days 3 hours ago)
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Based on a work at all-geo.org.
Category Archives: tectonics
The face of the earth is ever changing. Plate tectonics is slowly but surely rearranging the locations and inter-connections of continents. However knowing this in the abstract doesn’t prepare you for the awed surprise of discovering that a section of … Continue reading
Cratons are pieces of continents that have been stable for a over a billion years. As earth’s plates drift along, mountains periodically rise and fall, plate boundaries appear and disappear. But cratons are like great-grandmothers at family gatherings, while younger … Continue reading