Sen. Mark Amodei, R-Carson City, will become the new president of the Nevada Mining Association on Oct. 1, replacing Russ Fields who is retiring after 10 years in the position.Amodei leaves his current position as a partner with the law firm of Kummer, Kaempfer, Bonner, Renshaw and Ferrario at the end of this month."The people at Kummer Kaempfer are as good as it gets," he said. "But I've been practicing law for 24 years now and the opportunity to transition into something different is something I'm interested in."Amodei joined the firm in April 2004 and helped lead efforts to open …