MANILA, May 13 (Reuters) - Gold miner OceanaGold

Philippines Inc's shares opened at 13.34 pesos

($0.2314)in their market debut on Monday, slightly above their

initial public offer price of 13.33 pesos.

Toronto-listed miner OceanaGold Corp ( OCANF ) sold 20% in

subsidiary OceanaGold Philippines via an 6.078 billion pesos

initial public offering, the first listing in the Southeast

Asian nation this year and the country's first public debut for

a mining firm since 2012.

($1 = 57.6400 Philippine pesos)