Polly Rosenbaum Bldg. Phoenix From May 2011 through Aug. 2016, assets of the AMMM were managed by the Arizona Historical Society. The collection’s ~ 22,000 mineral specimens will remain in storage at the Historical Society’s Heritage Center in Tempe until the University of Arizona is ready to receive them. Show More Summary
You may be utterly surprised by this, but I was kind of a strange kid. I loved the outdoors of course, and was absolutely fascinated by geography, and when I learned about topographic maps in the scouts, I had found my calling. I liked...Show More Summary
After an earthquake, some aftershocks go on for an astonishingly long time. -- Read more on ScientificAmerican.com
It's funny how the same thoughts can move through one's head during an event, even when the events are separated by years. My mind wandered just a little bit during our graduation ceremony tonight, because that can happen while 700-800 names are read off and people march across a stage. Show More Summary
With some careful selective editing one can make it look like the superbloom is continuing in the Red Hills Area of Critical Environmental Concern, but alas the bloom is beginning to fade. We drove up there today and I was standing in this field of Monkeyflowers when a car pulled up, looking for the Red Hills. Show More Summary
NEHRP Logo Each year, earthquake experts from ~ 30 U.S. States meet for three days to commiserate – and brainstorm - on the challenges of mitigating the impacts from earthquakes on people and property. FEMA (Fed. Emergency Management Agency) hosts the meeting as a part of the National Earthquake Hazard Reduction Program (NEHRP). Show More Summary
According to locals, Valparaiso's 6.9 isn't worthy of being called an earthquake. -- Read more on ScientificAmerican.com
Every time I drive Highway 6 between Idaho Springs and Golden, Colorado—and I almost always take that route when heading east, rather than the section of I-70 between Idaho Springs and the hogbacks—I try to get a few photos of the great gneiss forming the canyon walls. Show More Summary
A bank robber can make a lot of arguments about why he or she should be allowed to rob a bank. "The money in the bank is just sitting there, it's not aiding the economy by being circulated", or "By taking this money and spending it, I'll be creating jobs", or "But I'll give some of the money to charities". Show More Summary
I showed up late and at the wrong address for the party. There have been so many reports of the "superbloom" of wildflowers around Southern California this winter and spring that I was anxious to do some traveling and see the sights....Show More Summary
Saturday was Earth Day, an occasion that usually leaves me lukewarm at best. But this year it was also the day of the worldwide March for Science. A few news stories have quoted environmentalists who resented that the march happened on “their” day. But from my viewpoint, that’s the best day of the year for […]
The March for Science is over, but the fight for science is just getting started. -- Read more on ScientificAmerican.com
I defer to those who know more about such things, so are these Kelvin-Helmoltz clouds I saw today over the Sierra Nevada east of Madera? We were driving home on Highway 99 in the Great Valley when we saw these clouds forming on the eastern horizon in the Sierra between Kings Canyon and Yosemite National Parks. Show More Summary
Sen. McCain aide (l) reading letter thanking Mary Poulton (r). At today's Arizona Mining Alliance luncheon, Dr. Mary Poulton, Professor, University of Arizona, was honored for her long service to America's mining industry and to her students and colleagues at the University of Arizona. Show More Summary
Interested in the fate of the Colorado River in a period of overallocation, drought and climate change? Come join the discussion next Thursday, 27 April at 4:00 p.m. on the campus of the Univ. of Arizona: Environment and Natural Resources 2, Room S107, Tucson, AZ.
Let us count the ways. -- Read more on ScientificAmerican.com
Today, the Arizona House Rules Committee passed SB1415. SB1415 transfers the Polly Rosenbaum Building and the former mineral and mining artifact collections to the Univ. of Arizona. I gather this was a pro forma meeting before the Rules Committee as it ended less than 10 minutes after it began. Show More Summary
Our look at those fossils that commonly bought rather than collected has so far looked at the fossil remains of animals, whether shells, teeth or whatever. But this time we’re looking at a trace fossil; […]...
Blue John stone is the name given to banded fluorite found in the Castleton area of Derbyshire in England (Ollernshaw, 1964). It has been prized for centuries. Chemically, it is a calcium fluoride (CaF2) and […]...
The Carboniferous Period is a fascinating time in earth history. It spanned 60myrs (359.2 to 299.0mya), towards the end of the Palaeozoic era, falling between the Devonian and Permian. During the Carboniferous, the supercontinent Pangaea […]