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Sand Mining Takes Toll WiscAs Fracking Escalates Nationwide

2014-08-04 22:56:00| Climate Ark Climate Change & Global Warming Newsfeed

EcoWatch: How is mining related to fracking? Well, the process of hydraulic fracturing forces fluid into the rock at extremely high pressure. This pries open natural pre-existing cracks (fractures) in the bedrock, and also causes new cracks (induced fractures) to form. This network of enhanced and induced fractures is what allows gas and oil to flow out of the rock and into the well. To keep these fractures from snapping shut when the fracking operation is completed and the pressure is eased, you need to...

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