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14 February 2019
Ahh, Sicily on a Friday morning. Join us to examine a spectacular arch of gypsum from the Messinian evaporite package.
13 November 2014
Silurian aged mud cracks feature small lensoidal features: are they casts of ancient gypsum crystals?
20 June 2014
The Friday fold visits the Permian basin of west Texas. There, the Castile Formation exhibits gorgeous inter- and intra-bed folding.