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Hudbay announces $8 million Rosemont Copper drilling program

I reported a couple weeks ago that Hudbay Minerals, new owner of the Rosemont Copper project [right, credit Rosemont Copper], was planning a drilling program to confirm the extent and quality of the ore body. Yesterday they put out a news release described the drilling plans:HudBay Minerals Inc. Show More Summary

New Geologic Map of Black Peak and Bobs Well 7.5" quadrangles released

AZGS has published a new geologic map of the Black Peak and Bobs Well 7.5" quadrangles as a digital map. It is available at our online repository for free viewing and downloading. Most of the map area is covered by sand dunes and related features of Cactus Plain. Show More Summary

Pacific plate shrinking as it cools

The Pacific tectonic plate is not as rigid as scientists believe, according to new calculations by researchers at Rice University and the University of Nevada, Reno.

Flagstaff's Wayne Ranney leading world tour of northern locales

Today's mail brought a slick brochure from Smithsonian Journeys offering a private jet tour next June around the world of northern locales hopping from Seattle to, among others, Mongolia to Siberia to Svalbard, Greenland, and Iceland before returning home 22 days later. Show More Summary

Small quake northeast of Kingman

There was a magnitude 1.7 earthquake just after 3a.m. local time this morning, about 27 miles northeast of Kingman, Arizona. [Right, orange star marks the epicenter. Credit, USGS]An area 40 miles east of Kingman was hit with a cluster of quakes in the magnitude 3+ range two weeks ago.

Latest episode of Arizona Mining Review online

The August episode of Arizona Mining Review, our online video magazine, was broadcast yesterday and is now available on YouTube at http://youtu.be/c8wk-rq15TYI interview Phil Pearthree about the new geologic map of the Phoenix valley,...Show More Summary

Just a Neat Moment in My Day...

I'm back at work this week teaching geology, and after an unexpectedly busy summer organizing trips, I needed the rest! Being back on campus also allowed me to reacquaint myself with the campus "mini-wilderness", a drainage basin that has two or three acres of oak woodland and mature Eucalyptus trees. Show More Summary

Severe drought is causing the western US to rise

The severe drought gripping the western United States in recent years is changing the landscape well beyond localized effects of water restrictions and browning lawns. Scientists at Scripps Institution of Oceanography at UC San Diego have used GPS data to discover that the growing, broad-scale loss of water is causing the entire western US to rise up like an uncoiled spring.

One of Geology's Little Mysteries Solved: The Sliding Stones of Racetrack Playa in Death Valley

Bonnie Claire Playa in Nevada There are side shows that happen in the sciences. There are the big mysteries of the cosmos and earth history that take many years and the work of dozens or hundreds of the greatest minds to solve: atomic theory, quantum physics, plate tectonics, DNA sequencing and so on. Show More Summary

Preliminary Announcement: Basin and Range Province Seismic Hazards Summit III

The Utah Geological Survey and Western States Seismic Policy Council will convene a Basin and Range Province Seismic Hazard Summit III (BRPSHSIII) January 12 - 17, 2015 in Salt Lake City, Utah. The purpose of BRPSHSIII is to bring together...Show More Summary

Northern Convergence: Stories on Trees, the Totems of the Northwestern First Nations

During the flurry of planning for our Northern Convergence journey through Canada and the Pacific Northwest, I was barely keeping up with the geology, and any background information on the anthropology/archaeology of the region fell to my colleague from our anthropology department. Show More Summary

Rhyolite Porphyry from Majuba Hill III

GSN field trip Day 2: We've taken a few Majuba Hill samples out of the bag. We'll now take a look at the farthest right sample, having already seen Rocks #1 & #2 and Rock #3. One side shows a weathered surface, with dark brown iron oxides and the copper carbonates malachite and azurite. Show More Summary

Asteroids named after two ASU professors

Asteroids have been named after two ASU professors, Phil Christensen and Dave Williams. The two planetary geologists, both faculty members in ASU’s School of Earth and Space Exploration.Nikki Cassis at ASU reports that Asteroid (10461) Dawilliams was discovered on December 6, 1978, by E. Show More Summary

Seismogram of Napa 6.0 Magnitude Earthquake from Modesto

One of the nice things about the new Science Community Center at Modesto Junior College is that we have been given some wonderful tools for the teaching of science. We had a modest seismometer at the old facility, but the software ran off Windows 97, and had not been updated since. Show More Summary

Kilometer-long crack opens in Hermosillo - an earth fissure?

A kilometer-long fissure opened up along Mexican Highway 4 between Hermosillo and the Gulf of California coast recently. Hermosillo Desde el Cielo flew a drone along the fissure capturing excellent video of the 8-m deep feature.The local newspaper is reporting that farmers had built levees to collect rainwater. Show More Summary

Magnitude 6.0 Quake in Northern California - Largest Bay Area Quake in 25 Years

Source: http://www.data.scec.org/recenteqs/ Northern California woke up this morning to the largest Bay Area earthquake since the 1989 Loma Prieta Earthquake (magnitude 6.9). The magnitude 6.0 quake, now being called the South Napa Earthquake, was located 6 miles (9 km) SSW of the wine country town of Napa at a depth of 6.6 miles (10.7 km). Show More Summary

Northern Convergence: The Day We Actually Had on Vancouver Island...and Goldstream

A plan is such a wonderful thing! With a plan, one can conduct field trips smoothly, with no delays, no missed stops, no problems. Oh, did I say plan? I meant to say "luck". I've been having fun with my recent posts, talking about the places on Vancouver Island that we intended to visit on our recent field studies course, but which we had to miss. Show More Summary

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