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The following video is a dashcam view of the meteor that came down over Arizona just before 4 a.m. local time on June 2. It is posted online at https://gfycat.com/MisguidedMerryAfricanbushviper
It's the most spectacular one I've seen, as it [...]
I am cleaning out my own library in preparation for the AZGS move to the University of Arizona. I had amassed a pretty comprehensive collection of Geological Society of America and American Association of Petroleum Geologists bulletins over the [...]
A ten km contour interval? Well yes, if you are mapping the thickness of the earth's crust!
This map brings out beautifully the distribution of the two distinct types of crust on earth. Crust making up the continents is granitic to andesitic in [...]
Recently I’ve been to the beach. I went down to visit an old friend, the USS Lexington. I had stayed aboard her back when I was in 9th grade, about a couple of decades ago, and hadn’t seen her since. … Continue reading
Once we’d found a basin with bone, we hit the area with a fine tooth comb, spending a week scouring the hillsides for more sites. In total we turned up a few fragmentary theropod bones, a very large upper leg bone in sandstone, some crocodile [...]
Good news! Probably by now everyone’s heard about the European Union’s conclusions on the transition towards an Open Science system. This is progressive and positive, pretty much from start to finish. It’s so good that you should [...]
Los ornitópodos son los dinosaurios herbívoros con mayor diversidad y duración durante el Mesozoico. Presentan un enorme y muy variado registro fósil que ha ayudado a conocerlos mejor en diversos ámbitos de su paleobiología (tallas, [...]
On our last days in New Mexico, we hit another couple of promising basins, with little luck. Most of what we found was alive… So we collected all the materials we could from our surface permits, took in the beautiful views, and packed up and [...]
Greetings from the JR School of Rock 2016 crew!
Our Friday aboard (and off board!) the ship was a healthy mix of climate science, open lab work time and a chance to sail on the sea to observe ocean wildlife and catch the sunset off of Cape Town.
what theropod family is the strongest(at parity)? Is it:
all theropods are represented by the “best” of there group at 32 feet long Abd how ever much they’d weigh at that size
the early tyrannosaurids? these vicious t.rex [...]