The largest independent frack sand distributor in the Marcellus/Utica region, D&I Silica, has just been sold to Houston-based Hi-Crush Partners. Hi-Crush is paying $125 million for D&I: Hi-Crush Partners will spend about $125 million to acquire D&I Silica in a cash-and-stock deal that will broaden its operations in Midwest. Hi-Crush produces premium monocrystalline sand, which