(EnergyAsia, August 23 2010, Monday) — Australia’s Riversdale Mining has launched an exercise to raise A$337 million at a fixed offer price of A$9.40 per share to pay for the accelerated development of Stages 2 and 3 of its Benga coal project in Mozambique. (US$1=A$1.1). The exercise comprises a A$102 million fully-underwritten institutional placement and…