Preview presentation on the Desert Member of the Blackhawk Formation and the Castigate Sandstone in Thompson Canyon for a professional field course titled: THE BOOK CLIFFS: A CASE STUDY IN COASTAL SEQUENCE STRATIGRAPHY, offered annually through W.W. LITTLE GEOLOGICAL CONSULTING (also offered by SCA). See details at: HTTP://LITTLEWW.WORDPRESS.COM.

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Thompson Canyon
Photo by W. W. Little

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Underlying HST (shoreface deposits)
Photo by W. W. Little

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Sequence Boundary (incised valley)
Photo by W. W. Little

4. DSC07579 Photo by W. W. Little

5. LST (fluvial channel deposits)
Photo by W. W. Little

6. DSC06782 Photo by W. W. Little

7. DSC02664DSC06652 Photo by W. W. Little

8. DSC06653 Photo by W. W. Little

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Medium-scale Trough Cross-laminated SS
(lower point bar)
Photo by W. W. Little

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Thinning-upward Trough Cross- and
Horizontally-laminated SS
(upper point bar)
Photo by W. W. Little

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TST (tidally-influenced fluvial splay deposits)
Photo by W. W. Little

12. DSC06695 Photo by W. W. Little

13. DSC06669 Photo by W. W. Little

14. DSC06765 Photo by W. W. Little

15. Possible Analog for Heterolithic Strata

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Flaser-bedded SS
Photo by W. W. Little

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Contorted Bedding
Photo by W. W. Little

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Load Casts
Photo by W. W. Little

19. DSC06659 Photo by W. W. Little

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Transgressive/Maximum Flooding Surface
Photo by W. W. Little

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Early HST (shoreface deposits)
Photo by W. W. Little

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Trough Cross-laminated SS (upper shoreface)
Photo by W. W. Little

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Horizontally-laminated SS (foreshore)
Photo by W. W. Little

24. Low-amplitude Current Ripple Bedding
Photo by W. W. Little

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Lag Surface (flooding surface)
Photo by W. W. Little

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HST (tidally-influenced fluvial splay deposits)
Photo by W. W. Little

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Thinly-bedded silt- and claystone
with variable dip angles
Photo by W. W. Little

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Small-scale Channel-form SS Bodies
(splay/tidal channels)
Photo by W. W. Little

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Shell Bed (storm bed)
Photo by W. W. Little

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HST (tidally-influenced fluvial channel deposits)
Photo by W. W. Little

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Mud-draped Lateral Accretion Surfaces
Photo by W. W. Little

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Large-scale Trough Cross-bedded SS
Photo by W. W. Little

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Smaller-scale Trough Cross-bedded SS
Photo by W. W. Little

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Ripples on LA Surfaces
Photo by W. W. Little

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Weakly Flaser-bedded SS
Photo by W. W. Little

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Mud-clast Molds on LA Surfaces
Photo by W. W. Little

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Teredolites Borings
Photo by W. W. Little

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Dinosaur Bone Fragments
Photo by W. W. Little

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The Complete Sequence
DSC06769 Photo by W. W. Little
Photo by W. W. Little

40. DSC06768 Photo by W. W. Little