Tag Archives: rhyolitic tuff

New Napa AVA

As reported in the Napa Valley Register, the the U.S. Department of Treasury’s Alcohol and Tobacco Tax and Trade Bureau has approved a 16th AVA in Napa Valley, Coombsville.

One reason for the effort to designate Coombsville as a separate appellation is that its soils, geography and climate differ distinctly from nearby regions, according to a news release from the group. It noted that the Coombsville soils are dominated by the volcanic rhyolitic tuff — sedimentary rock and lava flows — of the Vaca Range on the eastern side of the Napa Valley.

Sounds good.

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