| Patagonian geology from the air - Mon, 06 Feb 2012 01:34:55 +0000 |
I’m now down in Chilean Patagonia and will be for the next five weeks doing some geological field work. I’m going to try and post a bunch while down here — wi-fi willing — so be forewarned that these posts will be short and probably contain typos and sloppy errors. It’s either that or no [...] |
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| Friday Field Photo #166: Thin-Bedded Turbidites - Fri, 03 Feb 2012 12:49:43 +0000 |
This week’s Friday Field Photo is from the Cretaceous Dorotea Formation in southern Chile. This particular outcrop includes a thick succession of thin-bedded sandstones we interpret to be sediment gravity flow deposits in a delta front environment. Check out our 2009 paper in Journal of Sedimentary Research for the details. Measuring section (or logging core) [...] |
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| Pyroclastic density currents - Tue, 31 Jan 2012 15:06:03 +0000 |
Pete Rowley of the blog lithics has a great post about research he’s done on young pyroclastic density current deposits on Mount Ngauruhoe in New Zealand, a volcano used as a ‘stand in’ for Mount Doom in the Lord of the Rings series. Go read it, he’s got some great photos of the deposits and [...] |
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