Jan 7 (Reuters) - Metminco Ltd MNC.AX :
* Mollacas court ruling MNC.AX
* Says advises the chilean supreme court has upheld a prior ruling by the court of appeal of region IV, Chile
* Says ruling does not affect mhc's mining concession rights or the existing access rights previously granted
* Refers to ruling that overturned a decision granting access for mining purposes to minera Hampton Chile limitada
* Source text