LGC field course in the Book Cliffs, UT: Presentation 3 of 14 (Gentile Wash - Panther Tongue)

William W. Little

Gentile Wash: Panther Tongue (FSST - River-dominated delta)

© 2015 by W.W. Little Geological Consulting, LLCDSC06990 Photo by W. W. Little

River-dominated Deltaic Facies Model

From SEPM Strata (sepmstrata.org) From SEPM Strata (sepmstrata.org)

Photo by W. W. Little

Panther Tongue Member

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Thinly Interbedded SS & MS Facies Association (delta front)

Photo by W. W. Little

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Bouma Sequence (delta-front turbidites)

Erosive base (flute & load casts) -> structureless ss -> horizontially-laminated ss -> ripple (often climing)-laminated ss -> horizontally-laminated ms. Burowing common through ss. Photo by W. W. Little

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Flute Casts

Photo by W. W. Little

Tool Marks

Photo by W. W. Little

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Load Casts

Photo by W. W. Little

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Structureless ss and Contorted Bedding

Photo by W. W. Little

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Climbing Ripples

Photo by W. W. Little

Ophiomorpha

Photos by W. W. Little

Medium- to thickly-bedded SS Facies Association (distributary-mouths)

Photo by W. W. Little

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Horizontally-laminated SS

Photo by W. W. Little

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Trough Cross-laminated SS

Photo by W. W. Little

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Lag Deposit (flooding surface)

Photo by W. W. Little

Basinward-dipping Clinoforms

Photo by W. W. Little

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