Thread: O/T Silica used in frackiing and comment from FoE spokesman.
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Andy Burns[_9_] Andy Burns[_9_] is offline
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Default O/T Silica used in frackiing and comment from FoE spokesman.
David Paste wrote:

1. Am I missing something about silica - is it infact dangerous?

Not really, sand is mainly silica

2. What is silica used for in fracking?

To hold the tiny cracks in the rock open, so the gas can get out.


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