Brussels, 04/08/2000 (Agence Europe) - The European Commission has approved the operation by which the Anglo-Australian group Rio Tinto is to take over another Australian mining group, North Ltd. The two entities produce and market metals and minerals, including uranium, zinc, copper, gold and iron ore, but their accumulated market share will remain below 15% on ll these markets except for iron ore. In that sector, the operation will give rise to the world's second largest iron ore supplier,...