Tags: geology

How much fun can you handle? Quarry Quest 2014 Photos

Sep 25, 2014

How much fun can you handle? Quarry Quest 2014 Photos

With so many entertainment options for children (video games, cartoons, ect.), it's no wonder why aggregates wouldn't be considered a very fun subject. But for at least one day a year, aggregates end up being the highlight of day for ...

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September 2014

Sep 09, 2014

September 2014

Going Underground - Roof Control

May 2013

Sep 23, 2013

May 2013

Deposit Exploration 

See you at the Forum

Jul 01, 2012

A gathering of geologists, planners, aggregate operators, and others sparks interesting dialogue on geology and mining.     I recently attended the 48th Forum on the Geology of Industrial Minerals, hosted by the Arizona Geological Survey. This has always been one of my ...

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Rock Science

Apr 01, 2012

Rock Science

Consider the impact of the physical and chemical properties of the parts when evaluating the whole. By Bill Langer After I retired from the U.S. Geological Survey last November, my wife, Pam, and I moved to Phoenix, Ariz. We currently live with ...

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Lessons from Middle Earth

Aug 01, 2009

by Bill “Bilbo” Langer  "In a hole in the ground there lived a hobbit. Not a nasty, dirty, wet hole, filled with the ends of worms and an oozy smell, nor yet a dry, bare, sandy hole with nothing in it ...

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April 2009

Apr 01, 2009

April 2009

Getting Better Geologic Intelligence

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