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pETER D. TILLMAN reviewS ags digest 22. ores and orogenesis:Circum-Pacific Tectonics, Geologic Evolution, and Ore Deposits, eds., J.E. Spencer and S.R. Titley, 2008. Read More

 

ENVIRONMENTAL GEOLOGY


SOURCE MATERIALS OF BLACK HILLS EARTHEN DAMS, MARICOPA COUNTY| BRIAN GOOTEE
Earthen dams abound in the U.S. – by one account there may be as many as 80,000. Arizona is home to 228 earthfill and rockfill jurisdictional* dams, one of which, the Black Hills Dam, is owned by the City of Scottsdale...Read More



WHAT DEEP DRILLING REVEALS ABOUT GROUNDWATER SALINITY IN THE PICACHO BASIN | STEVEN L. RAUZI
Lee Allison noted in his Arizona Geology blog of 20 February 2009 that “Companies have been looking at the Picacho basin between Tucson and Phoenix for a number of years as an attractive place to develop giant caverns in underground salt deposits to store..." Read More


SEISMIC NEWS

ARIZONA SEISMICITY SUMMER 2009: An AISN Update| MIMI DIAZ
The Arizona Integrated Seismic Network (AISN) has had a busy few months since its inception, both in terms of logistics and in seismic activity...Read More



ARIZONA ENERGY

OIL AND GAS IN ARIZONA, SUMMER 2009 | STEVEN L. RAUZI
Nine drilling permits were issued and four wells were drilled in Arizona through August 2009. Ridgeway Arizona Oil Corporation drilled one well at its ongoing CO2 project between St Johns and Springerville...Read More


EARTH SCIENCE EDUCATION
THE MULTIPLE ROLES OF COMMUNITY COLLEGE GEOLOGY PROGRAMS | GARY CALDERONE
Community college geology programs offer lower division (Freshman/Sophomore) courses in geology to serve the needs of three principal populations in the community...Read More

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NOW AVAILABLE!
AGS DIGEST 22
Ores and Orogenesis: Circum-Pacific Tectonics, Geologic Evolution,
and Ore Deposits. Jon Spencer and Spencer Titley (eds.)


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