Ten wineries, eight of them local, will provide tastings Friday at the Miners Foundry Cultural Center's inaugural Wine Showcase benefit.The local wineries are Double Oak Vineyards & Winery, Indian Springs Winery, Iron Mountain Vineyard, Lucchesi Vineyards & Winery, Nevada City Winery, Nevada County Wine Guild, Sierra Knolls Vineyard & Winery, and Smith Vineyards & Winery. The other two are Crystal Valley Cellars from Cosentino Signature Wineries in Napa Valley, and Woodbridge by Robert Mondavi in Lodi.From 7 to 10 p.m., the Wine Showcase will also include hors d'oeuvres and desserts donated by restaurants and caterers, and a silent auction on …