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Saturday, February 21, 2015

Reports of gut contents in herbivorous dinosaurs

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I generally avoid writing "nuts and bolts" posts about dinosaurs, because there's a lot of people already doing that who know ...
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Sunday, February 8, 2015

Historic Twin Cities geologic maps and photos

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I've been a bit busy lately, so no full post, but here are some historical geologic images and maps of the Twin Cities, 1877–1941. Enjoy...
Sunday, February 1, 2015

Hyoliths and Scenella

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One of the aspects of Paleozoic fossils you learn to appreciate is just how many groups had a brief moment in the sun and then disappeared. ...
Sunday, January 25, 2015

Cenozoic geology in the National Parks, part III: nonmarine sedimentary formations

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And now we come to the last part, and the reason I started this in the first place: National Park Service Cenozoic nonmarine sedimentary roc...
Sunday, January 18, 2015

Cenozoic geology in the National Parks, part II: igneous

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Quite a number of NPS units record some form of Cenozoic igneous activity, from the obvious (active volcanoes) to the subtle (rock formation...
Sunday, January 11, 2015

Cenozoic geology in the National Parks, part I

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I thought it might be interesting to briefly highlight some National Park Service units in terms of geology, and started working in the Ceno...
Sunday, January 4, 2015

The Urban Paleontologist

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Winter in the U.S. is not the best time for looking for fossils. It's cold, the days are short, and a significant portion of the ground ...