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- 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... (2 days 20 hours ago)
- Metageologist: Hi Chris, Maybe I could have phrased things better. The subducting slab is recent (100Ma) so... (2 days 23 hours ago)
- Chris: At first nice article but I think there are 2 inaccuracies in your article: 1. “The ultrabasic... (3 days 1 hour ago)
- Metageologist: I’ve replied on the Sci Am site, but some more thoughts here. The arguments for a... (10 days 14 hours ago)
- Torbjörn Larsson, OM: Ah, I meant to say that anoxygenic photosynthesis was consistent with the Isua finds. I... (10 days 16 hours ago)
- Torbjörn Larsson, OM: For some reason I had managed to notice most of the sulfur works, but not the diamond... (10 days 16 hours ago)
- russell: excellent read (13 days 19 hours ago)
- Karyl Halls: Magnificent goods from you, man. I’ve understand your stuff previous to and you’re... (17 days 21 hours ago)
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
Based on a work at all-geo.org.
Category Archives: impacts
Some facets of the Geology of Diamonds
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
Categories: diamonds, geochemistry, impacts, subduction
Earth, moon and Mars: connected by meteorites
The time immediately after earth’s formation is known as the Hadean Eon. It was a time when earth suffered a heavy bombardment from space. Rocks this age on earth are extremely rare, mostly they have been destroyed by later events … Continue reading
Categories: impacts
What came from outer space
I admit it. I’m geocentric. Not in the old-fashioned sense, I’m not that eccentric. I don’t believe the earth is the physical centre of the universe, but it certainly feels that way. The universe, space, the wonders of the solar … Continue reading
Categories: Accretionary Wedge, impacts
Geology and myth
As a word, myth has taken on negative connotations. False modern stories are dismissed as “urban myths”, myths are seen as old superstitions to be ‘busted’ by scientific truth. There are geologists who take a different view. Taking myth in … Continue reading
