June 2 (Reuters) - Cerro Grande Mining Corp CEG.CD :
* Cerro Grande Mining Corporation announced that its wholly owned subsidiary, Compañia Minera Pimenton, has filed for voluntary bankruptcy under the laws of Chile.
* Management of Compania Minera Pimenton, co's board, taken decision to place Compañia Minera Pimenton into voluntary bankruptcy Source text for Eikon: Further company coverage: CEG.CD