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I’ll Drink to That: Geologist Brenna Quigley

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Episode 463 of I’ll Drink to That! was released recently, and it features Brenna Quigley, a geologist who works as a consultant in the wine industry.

Brenna Quigley is a geologist focused on “hard rocks”, a specialization that seems slippery at first (aren’t all rocks hard?) but listening to Brenna explain the different family groups of rocks and how they may interact with grape vines provides a quick and informed primer into why this sort of distinction is important. She gives a tour through France’s rock formations in this interview, and explains what wine regions correspond to which rock types. She also breaks down (“breaks down” is an inside joke, as it turns out) the origins of soil, and what different types of soil there are out there. Confused as to why some limestone is Jurassic and some other limestone isn’t? Brenna explains the answer to this as well as other questions that may have crossed your mind, like just what the difference is between limestone and chalk, and what that difference may mean for vines. Also, what’s the deal with clay? If you’d like to broaden your geology and wine knowledge, Brenna is a good guide to what you should know.

Listen to the stream above, or check it out on Apple Podcasts, YouTube or Spotify.

I’ll Drink to That is the world’s most listened-to wine podcast, hosted by Levi Dalton. Levi has had a long career working as a sommelier in some of the most distinguished and acclaimed dining rooms in America. He has served wine to guests of Restaurant Daniel, Masa, and Alto, all in Manhattan. Levi has also contributed articles on wine themes to publications such as The Art of Eating, Wine & Spirits magazine, Bon Appetit online, and Eater NY. Check out his pictures on Instagram and follow him on Twitter: @leviopenswine