Tectonics, Sedimentary Basins, and Provenance: A Celebration of the Career of William R. Dickinson (IMAGE)

Geological Society of America

Tectonics, Sedimentary Basins, and Provenance: A Celebration of the Career of William R. Dickinson

Caption

Paleoproterozoic vein-quartz-clast conglomerate in Chino Valley, central Arizona. These alluvial-fan and proximal braided-stream sediments were deposited in an extreme weathering environment in which all feldspar and mafic minerals except hematite were destroyed before deposition. William R. Dickinson for scale.

Credit

Cover photo by Jon Spencer, 2015

Usage Restrictions

Cover photo by Jon Spencer, 2015.

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