GEOLOGY: K-T boundary - Sussex site, north of Casper

GEOLOGY: K-T boundary - Sussex site, north of Casper, Wyoming. Collecting a sample of rock at the K-T boundary for museum display. The sample includes Cretaceous rocks under the boundary, the boundary layer, and Tertiary sediments above the boundary. The front and top of the partially excavated bloc are protected by a plaster jacket (behind rock hammer)

Boundary Casper Digs Equipment Excavation Excavations Layers Palaeontology Prehistoric Scientific Strata Study Sussex Wyoming

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