Aug 18 (Reuters) -
* Brazilian iron ore miner Vale SA VALE5.SA said in a filing on Thursday that a federal court dismissed the company's appeal of an injunction filed by federal and Minas Gerais, Espirito Santo state courts against Samarco, BHP and Vale
* Vale says with dismissal of appeal, Samarco concession remains suspended
* Vale says fine of 20.2 bln reais struck in accord between miners and federal and state governments due to Samarco dam break remains valid Further company coverage: