Soave, Italy Garganega grapes, planted on the band of ancient volcanic soils in this region, produce weightier, richer whites loaded with mineral sensations. Bottle to try: 2015 Suavia Soave Classico Monte Carbonare ($25) is a salty, lemony white from a single vineyard; it boasts laser-like acidity and a long mineral finish.
Lake County, California Mount Konocti, which last erupted 11,000 years ago, littered soils with obsidian and basalt in this area north of Mendocino. Bottle to try: 2014 Obsidian Ridge Estate Cabernet Sauvignon ($30) is a dark and brooding red, with plenty of tannin and a striking minerality, epitomizing the firm character of wines from the Red Hills appellation.
This article was provided by Bloomberg News.