Fracking drives annual US sand output to 29.9m tonnes
Published: Wednesday, 22 February 2012
New USGS report says 41% of sand sold in 2010 was used by petroleum industry
industrial sand and gravel production in the US rose 22% year
on year in 2010, from 24.6m tonnes to 29.9m, driven largely by
hydraulic fracturing (fracking), according to the US Geological
In a new report 2010 Minerals Yearbook:...