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<![endif]-->Dr. Jon Spencer, Chief Geologist at AZGS, and head of the geological mapping program, retired on Friday after 33 years with the Survey. We had an informal luncheon honoring Jon, with a [...]
Ryan Taylor captured on video a rock and ice avalanche event on the flanks of Mount Cook in New
I've been leading geology field studies trips to lots of places in the American West for 27 years and started to take digital pictures in 2001. I sometimes struggle to find new things to photograph when I visit a place for the 27th time, but [...]
If you spent several years at a large university with foreign students, or more than a few nights outside of North America (riding a tour bus with friends and neighbors does not count), then chances are the last couple of weeks have been very [...]
This brachiopod fossil is known as Burmirhynchia (Hopkinsirhynchia) elegantula (Deslongschamps). It was found in Quarry de L'Echo, Thin-le-Moutier, Ardennes, France. It dates to the Middle Jurassic Period (Upper Bathonien).
Thanks to Clive [...]
In the last few days an interesting landslide has developed in Vasquez Canyon in California, destroying a
When Tina Petway, Associate Curator of Malacology, retired as a schoolteacher in 1999, she finally embarked on fulfilling her dream since she was 12 years old. Growing up, Petway was frustrated by the lack of resources for young women interested [...]
The “flowers” in this bedraggled bouquet are from a plant that was blooming in my yard just a few weeks ago ... in early November at 7000 feet elevation in Laramie, Wyoming! That’s how unusually-mild this fall has been. I cut the [...]
Comment étudier l'histoire de la mousson et sa relation trouble avec l'Himalaya?
We published a new study dealing with paleoseismological work on the Milesi Fault near Athens, Greece. A slip rate was estimated based on GIS work, mapping, and trenching. Four surface-rupturing earthquakes in the last 4-6 ka were found, and we [...]