Bits 'n Pieces
Page 175 - Iris Hill Winery - Chalice Vineyards

"The grapes are processed in small lots, keeping the different varieties
and clones separate. Periodic tastings reveal that each block and
clone, even in the same base wine, express minute differences in
character. The winemaker eventually assembles the blend or "cuvee"
of the base wines into a finished wine that possesses the best qualities
of each lot."