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Bidahochi Formation exposed at Roberts Mesa

Bidahochi Formation exposed at Roberts Mesa

Panoramic picture of Roberts Mesa on the Hopi Reservation of northern Arizona. The contact between the lower/upper Bidahochi is demarcated by the red/green boundary. Notice variation in bedding of upper Bidahochi, which is dominated by fluvial cross-bedded and planar tabular bedding of well-sorted fine to medium sand with abundant carbonate cement.

Photographer: Brian Gootee

Photo Date: March 2018