Thursday, August 04, 2011

Flowing water on Mars

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UA planetary scientist Alfred McEwen and his colleagues, using the UA-run HiRISE camera, have found seasonal streaks "like nothing else...

Richard "Dick" Wilson, 1931-2011

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Well known Arizona geologist Richard “Dick” Wilson, a faculty member in the University of Arizona Department of Geosciences from 1962 to 198...
Wednesday, August 03, 2011

Videos from last year's post-fire floods in Flagstaff's Timberline neighborhood

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Coconino County recently posted a montage of videos from the August 2010 flooding in the Timberline neighborhood of Flagstaff, downslope fro...

Giant crack (fissure?) tears up Willcox road

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AZGS geologists are heading to the Willcox area in the morning to investigate giant cracks running down East Van Ness Road near Highway 191 ...
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Foreign investment in Western US resources

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Opponents of the Rosemont copper mine south of Tucson, point to the Canadian home of the company's parent, Augusta Resources, as rationa...
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Evolution of economic geology

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Spence Titley, professor emeritus at University of Arizona, kept the audience enthralled last night at the dinner meeting of the Arizona Geo...
Monday, August 01, 2011

Debris flow predictions in Monument wildfire area

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http://pubs.usgs.gov/of/2011/1181/ Miller and Ash canyons in the Huachuca Mountains have the potential for post-fire debris flows with volum...
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Small quakes near Lake Mead continue

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There was another small, magnitude 2.0 earthquake along Lake Mead this morning, at 7:24 am local time. For several months, we've seen si...
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Sunday, July 31, 2011

Our 'baby' is a star!

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"Tunguska" the AZGS map store's mammoth mascot, was profiled in the Arizona Daily Star today. She's actually a museum-qua...

Ghost towns of Arizona has its own Facebook page

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I'm clearly not spending enough time playing around with other social media besides this blog. Who knew there is a Facebook page on A...

Nuclear waste report calls for new geologic repository

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The report of the blue ribbon commission on nuclear waste is calling for "A new organization dedicated solely to implementing the wast...
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Strain on global food supply pushing demand for potash

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Emerging economies and bad weather are putting strains on global food supplies, pushing farmers to expand their plantings and thus increasin...
Friday, July 29, 2011

State Geothermal Data project earns kudos

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The DOE external Peer Review panel evaluated the first year of the AZGS-managed State Geothermal Data project and rated it ‘excellent’ to ‘o...

ASU is running "most epic big science project in the universe"

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Popular Science magazine has declared the EarthScope [ top right, credit EarthScope ] project to be the most epic big science project in th...
Thursday, July 28, 2011

Grand Canyon mining furor

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The Politico.com Energy Report website says, "Top Democrat appropriator Norm Dicks thinks his party has a “decent shot” to vote down a...
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Mapping the daily spread of the Wallow fire

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The Wallow wildfire is the largest in state history and the Arizona Republic newspaper has compiled a striking set of maps showing the day ...
Wednesday, July 27, 2011

Sandbar experiment downstream of Glen Canyon Dam

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http://pubs.er.usgs.gov/publication/70003971 The USGS has published results of the most recent high flow experiments on the Colorado River t...

Mysteries still cloud Montezuma Well geology and geochemistry

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The USGS has issued a new report on the geology, geochemistry, and groundwater of Montezuma Well, the eponymous center of a national monumen...

Third quake of the day at Lake Mead

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There was a third earthquake this morning, a magnitude 2.2 event possibly under Lake Mead. The USGS lists it as occurring in Nevada but the...
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Second quake this morning near Lake Mead

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There was a second quake near Lake Mead this morning. At 8:48 local time there was a magnitude 2.0 shock just southwest of the magnitude 2...