SAO PAULO, Sept 11 (Reuters) - Brazilian miner Vale

expects to reach a final agreement with authorities

in October regarding reparations related to the collapse of a

dam in the city of Mariana, it said on Wednesday in a securities

filing.

Last week, Reuters reported that Vale, BHP and

their joint venture Samarco could soon reach such an

agreement to pay around 100 billion reais ($17.6 billion), with

the final terms of the deal expected to come in October.

($1 = 5.6688 reais)