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“Explosive” Volcanic Wines

“Explosive” Volcanic Wines There is much debate in the world of wine about the impact that soil has on wine. Soil types differ by the size of particles, mineral and nutrient content, amount of decomposed organic material, and water retention capacity. Volcanic soils are different as they can be formed by a variety of events like slow flowing lava, explosively expelled rock, and airborne ash that settles to form a new layer.