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The Maars of Pinacate, Part Two

The Maars of Pinacate, Part Two By Andrew Hall If lightning can occur in the sky, why not in the ground? A capacitor stores electrical charge up to a point, and then lets go, like a dam breaking. It's called dielectric breakdown, and sparks are the result; sparks are the ...
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Thunderblog -- elegante-blast-cones2

The Maars of Pinacate, Part One

The Maars of Pinacate, Part One By Andrew Hall El Pinacate y Gran Desierto de Altar is a geologic wonderland for volcanologists. It should also be a laboratory for study of the Electric Earth. Pinacate is a monogenic volcanic field in Sonora, Mexico that lies just south of the Arizona ...
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