P169: Trachyte, Mt. Dore, Auvergne, France

Item

Title
P169: Trachyte, Mt. Dore, Auvergne, France
Description
Grey, porous rock, with phenocrysts of sanadine, black, shiny plates of mica and dark-green crystals and grains of augite
Source
"The Krantz Collection"
Contributor
CollinOwen
Identifier
P169
Mediator
Tamara Carley (carleyt@lafayette.edu)
Rights Holder
Lafayette College Department of Geology and Environmental Geosciences

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