SLIDESHOW - Utah

Burgess Shale-type deposits in Utah (0:42)

Mountain hills
DESCRIPTION: Mountain hills

Wheeler and Marjum formations (Middle Cambrian)
Image © Pomona College. Photo: Robert Gaines

Landscape with scrub vegetation
DESCRIPTION: Landscape with scrub vegetation

Typical outcrop of the Wheeler and Marjum Formations
Image © Pomona College. Photo: Robert Gaines

Workers investigate shale outcrop
DESCRIPTION: Workers investigate shale outcrop

Wheeler Outcrop

Fossil
DESCRIPTION: Fossil

Cindarella eucalla
Image © Nanjing Institute of Geology and Paleontology, Chinese Academy of Science.
Photo: Maoyan Zhu

Workers cutting into rocks
DESCRIPTION: Workers cutting into rocks

Excavating the Spence Shale
Image © Pomona College. Photo: Robert Gaines

Fossil
DESCRIPTION: Fossil

Gogia from Utah
Image © Royal Ontario Museum. Photo: Jean-Bernard Caron

Fossil
DESCRIPTION: Fossil

Selkirkia from Utah
Image © Royal Ontario Museum. Photo: Jean-Bernard Caron

Fossil
DESCRIPTION: Fossil

Margaretia from Utah
Image © Royal Ontario Museum. Photo: Jean-Bernard Caron