Diatom Bar-M Vineyard is sourced from the stunning contiguous blocks of clone 76 Chardonnay planted over 20 years ago in the Los Alamos region of Santa Barbara County. Los Alamos is a magnificent and relatively unknown region whose sandy loam soil lends itself to fruit with a bit more flesh and weight – perfectly suited to the diatom model. WINEMAKING Fermentation at very low temperature in small stainless-steel tanks, coupled with inhibited malo-lactic and short hose transit ensure precision and focus.