Groove casts at the base of a turbidite. Dish structures in sandstone. Flute casts at the base of a turbidite. Field book for scale. Angular unconformity between Miocene distal alluvial fan sediments and Quaternary alluvium.
Small debris flows in loose sediment at the base of a roadcut.
Sunglasses for scale. Note interdune deposits and vegetation. Fluvial Environments Channelized flow in an ephemeral stream resulting from a summer rainstorm. Dry bed of an ephemeral stream. U.S.G.S. Bedform Sedimentology.