Vugs, barite, calcite, fluorite, galena, marcasite, quartz, pyrite, sphalerite
Dolomitic limestones of the Middle Devonian Cedar Valley Formation are exposed at Pint's Quarry. The mineralized vugs contain well developed crystals of barite, calcite, fluorite, galena, marcasite, quartz, pyrite, and sphalerite.
Proceedings of the Iowa Academy of Science
© Copyright 1978 by the Iowa Academy of Science, Inc.
"Minerals in Vugs at Pint's Quarry, Raymond, Iowa,"
Proceedings of the Iowa Academy of Science: Vol. 85:
, Article 9.
Available at: http://scholarworks.uni.edu/pias/vol85/iss1/9