Tags: flyrock

Pennsylvania quarry ordered to stop blasting

Mar 26, 2013

Pennsylvania quarry ordered to stop blasting

Following a March 19 flyrock incident, the M & M Stone/Harleysville Materials quarry has been ordered to cease blasting. “The investigation revealed that a rock(s) were ejected upwards and outwards from the body of the shot which traveled approx. 381 feet ...

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Joints, Humpback Whales and Quarries

Mar 19, 2012

Joints, Humpback Whales and Quarries

Knowledge of geological joints is essential in assuring the economic extraction of crushed stone from quarries, and detailed studies of joints and other planes of weakness should be included in the exploration and quarrying process.   A few years ago, I had ...

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State and Province News February 2012

Feb 16, 2012

To keep up to date with this breakdown of news in the United States and Canada, visit www.AggMan.com for daily updates.   By Therese Dunphy, Editor-in-Chief   Arizona El Mirage City Council members, who allowed an earlier annexation proposal to expire, took the first step ...

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June 2009

Jun 01, 2009

June 2009

Smart Strategies for Better Drilling and Blasting

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