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Grey-brown, very dark when wet, and not exactly fitting the standard concept of a tropical beach sand. But, as always, look more closely and its character is revealed – glittering grains in subtle hues of blues, browns, and greens,
The United States Supreme Court did not block a plan to intentionally break a Mississippi River levee near Cairo, Illinois that will flood 130,000 acres of Missouri farmland instead of the town of Cairo, Illinois. Explosives are being loaded into [...]
Major congratulations to two Watershed Hydrogeology Lab graduate students who have finished writing their MS theses and will defend them next week. Ralph McGee and Cameron Moore both started in our MS in Earth Science program in August 2009, and [...]
And it didn’t even cost me one million dollars either. This post is little more than an excuse to show of Tyrannosaurus feet again but it does give me the chance to talk about the hallux a little more. This has had a bit of a mention in the [...]
Since I seem to be writing about saurischian feet a lot at the moment, I might as well continue and bring you this Plateosaurus pes. Obviously we’ve moved some way from derived theropods and down into the ‘prosauropods’. Still, [...]
It’s been a quiet semester in Lake Wobegon… very quiet, as far as this blog goes. My inability to win “Where on (Google) Earth?” challenges has been no small part of the reason for that. There was a time when I could count on [...]
Not as you might think a new archive of dinosaur data, but this, a dinosaur that stores data: One of my students was awesome enough to give me this as a gift for supervising her undergraduate thesis work (which included my little trip to Germany in [...]
By Dave Tucker I will present a slide show and talk about glacial erratics [mostly pictures of big ones] at the Edmonds Ice Age Floods Institute meeting on Monday evening, May 2. I will describe my experiences spotting and interpreting some [...]
The fossils above are about as simple as fossils can be. They are internal molds (sediment-fills) of conical shells that were made of the carbonate mineral aragonite. The aragonite shells dissolved away after death and burial, leaving the cemented [...]
The New York times has an interactive map showing the "safest" places to avoid a disaster. They seem to downgrade the Earthquake and Volcano Risk near the Cascade subduction zone on Washington and Oregon. Harry