High demand for frac sand
· "Frac sand started out as a highmargin resource where you could make a higher margin per ton in that industry mineral than any other mineral. The profit margin got everybody's attention from 201214." With foreign oil prices through the roof, domestic frac sand production doubled from 2010 to 2011 – 12 million tons to 24 million tons. Domestic frac sand production increased to 31 ...