SUGAR LAND, TX — (Marketwire) — 02/10/12 — Researched by Industrial Info Resources (Sugar Land, Texas) — Leading international group (NYSE:RIO) (London, England) reported record adjusted earnings for 2011, as higher prices and a strong performance by the Iron Ore segment were offset by an $8.9 billion impairment charge in the Aluminum segment that depleted the officially reported net earnings. The company also was affected by high cost inflation, which has impacted the global mining indu