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Making up Watsonville’s bedrock: Graniterock a mainstay for 114 years

Posted: Friday, Jan 24th, 2014


A dynamite charge knocks loose 50,000 tons of granite Tuesday at the A.R. Wilson Quarry in Aromas as part of Graniterock's aggregate processing line. (Photos by Tarmo Hannula/Register-Pajaronian)


AROMAS — The siren warning that a blast was imminent at Graniterock’s A.R. Wilson Quarry Tuesday came two minutes before 25,000 pounds of explosive would hammer loose a landslide of rocks and boulders.

When the time came, electronic timers ignited 74 explosive charges, sending a massive cloud of stone and dirt into the air. This was followed by the roar and rumble as the rock tumbled into the quarry.

Far from the dramatic explosions for which Hollywood is famous, this controlled blast put more than 50,000 tons of quality granite precisely where the company’s engineers wanted it.



For the complete article see the 01-25-2014 issue.

Click here to purchase an electronic version of the 01-25-2014 paper.


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