The authorSimon Wellings
- A deeper look at the geology of diamonds
- Some facets of the Geology of Diamonds
- A harder look at the geology of diamonds
- Structural Geology by the Deformation numbers
- Cornwall: tin, pasties and the world
- The Grampian / Taconic orogeny in Ireland – when arcs attack
- Scandinavian crust now in Alaska!
- When continents rotate
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- On A deeper look at the geology of diamonds:
- Chris: Hi Simon thank you for your fast reply, maybe the point is that you mean here “This portion of... (19 hours 10 minutes ago)
- Metageologist: Hi Chris, Maybe I could have phrased things better. The subducting slab is recent (100Ma) so... (21 hours 39 minutes ago)
- Chris: At first nice article but I think there are 2 inaccuracies in your article: 1. “The ultrabasic... (23 hours 27 minutes ago)
- Metageologist: I’ve replied on the Sci Am site, but some more thoughts here. The arguments for a... (8 days 12 hours ago)
- Torbjörn Larsson, OM: Ah, I meant to say that anoxygenic photosynthesis was consistent with the Isua finds. I... (8 days 14 hours ago)
- Torbjörn Larsson, OM: For some reason I had managed to notice most of the sulfur works, but not the diamond... (8 days 14 hours ago)
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Based on a work at all-geo.org.
Category Archives: geochemistry
The geology of diamonds is fascinating in itself, but they also give insights into wider geological processes and history. Up until 1725, diamonds were only known from India. That all changed when Brazilians panning river sediments for gold, instead found diamonds. Recent … Continue reading
Originally published on the Scientific American guest blog. Geoscientists can’t say if diamonds are forever, but they can say that some are already billions of years old. They form in a place we’ll never reach: the deep earth, hundreds of … Continue reading
The county of Cornwall is like England’s foot, stretching out languorously into the warm waters of the Gulf Stream. Now a relatively poor area, best known for fishing and tourism, it has a proud industrial past based on mining, notably of tin. … Continue reading