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Callan Bentley's Snapshots

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  1. Dike?

    Snapshot Title: Dike?
    Taken by: Callan Bentley

    Image: Wyler Aerial Tramway
    Image Owner: Joshua Villalobos



    Description:

    Josh - this looks like a basaltic dike cutting through the Red Bluff Granite. Am I reading that right?



  2. Striations

    Snapshot Title: Striations
    Taken by: Callan Bentley

    Image: Sand from Halls Lake, Ontario, Canada
    Image Owner: Robin Rohrback



    Description:

    Plagioclase!



  3. Abandoned meander

    Snapshot Title: Abandoned meander
    Taken by: Callan Bentley

    Image: LiDAR view of the Northern Fort Valley and Massanutten Mountain
    Image Owner: Callan Bentley



    Description:

    gorgeous



  4. Small meander cutoff

    Snapshot Title: Small meander cutoff
    Taken by: Callan Bentley

    Image: LiDAR view of the Northern Fort Valley and Massanutten Mountain
    Image Owner: Callan Bentley



    Description:

    ?



  5. Levees

    Snapshot Title: Levees
    Taken by: Callan Bentley

    Image: LiDAR view of the Northern Fort Valley and Massanutten Mountain
    Image Owner: Callan Bentley



    Description:

    These stream channels seem to sport a pair of levees on either bank.



  6. Terrace?

    Snapshot Title: Terrace?
    Taken by: Callan Bentley

    Image: LiDAR view of the Northern Fort Valley and Massanutten Mountain
    Image Owner: Callan Bentley



    Description:

    Little mesa-like erosional remnant of former deposit.



  7. Fold hinge

    Snapshot Title: Fold hinge
    Taken by: Callan Bentley

    Image: LiDAR view of the Northern Fort Valley and Massanutten Mountain
    Image Owner: Callan Bentley



    Description:

    Wow - what detail!!



  8. State fish hatchery

    Snapshot Title: State fish hatchery
    Taken by: Callan Bentley

    Image: LiDAR view of the Northern Fort Valley and Massanutten Mountain
    Image Owner: Callan Bentley



    Description:

    Geometric ponds



  9. Braided channels

    Snapshot Title: Braided channels
    Taken by: Callan Bentley

    Image: LiDAR view of the Northern Fort Valley and Massanutten Mountain
    Image Owner: Callan Bentley



    Description:

    Where Passage Creek emerges from the constraints of the Massanutten ridge system.



  10. Helderberg?

    Snapshot Title: Helderberg?
    Taken by: Callan Bentley

    Image: Sediment from Passage Creek, Fort Valley, Virginia
    Image Owner: Callan Bentley



    Description:

    This could be Helderberg limestone, based on the gray color and scratches.



  11. Iron oxide stained Massanutten

    Snapshot Title: Iron oxide stained Massanutten
    Taken by: Callan Bentley

    Image: Sediment from Passage Creek, Fort Valley, Virginia
    Image Owner: Callan Bentley



    Description:

    Some portions of the Massanutten Sandstone are very rusty.



  12. Massanutten Sandstone

    Snapshot Title: Massanutten Sandstone
    Taken by: Callan Bentley

    Image: Sediment from Passage Creek, Fort Valley, Virginia
    Image Owner: Callan Bentley



    Description:

    quartz arenite - source of most of the quartz sand grains in this sample, but here's a lithic fragment.



  13. Bloomsburg

    Snapshot Title: Bloomsburg
    Taken by: Callan Bentley

    Image: Sediment from Passage Creek, Fort Valley, Virginia
    Image Owner: Callan Bentley



    Description:

    Classic red pebble



  14. Snail shell

    Snapshot Title: Snail shell
    Taken by: Callan Bentley

    Image: Sediment from Passage Creek, Fort Valley, Virginia
    Image Owner: Callan Bentley



    Description:

    Local freshwater snail, presumably - not fossil



  15. Angular quartz grain

    Snapshot Title: Angular quartz grain
    Taken by: Callan Bentley

    Image: Sediment from Passage Creek, Fort Valley, Virginia
    Image Owner: Callan Bentley



    Description:

    Quite distinct from the more rounded population of clasts in this sample.



  16. Mahantango
  17. Bloomsburg Formation

    Snapshot Title: Bloomsburg Formation
    Taken by: Callan Bentley

    Image: Sediment from Passage Creek, Fort Valley, Virginia
    Image Owner: Callan Bentley



    Description:

    Outcrop:
    gigapan.com/gigapans/168012Hand sample:
    www.gigapan.com/gigapans/163085



  18. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Sediment from Passage Creek, Fort Valley, Virginia
    Image Owner: Callan Bentley



    Description:

    Petri dish is 9 cm in diameter



  19. Mini bomb?

    Snapshot Title: Mini bomb?
    Taken by: Callan Bentley

    Image: Kilauea surface crevice debris
    Image Owner: Callan Bentley



    Description:

    or a seed?



  20. Plant stuff

    Snapshot Title: Plant stuff
    Taken by: Callan Bentley

    Image: Kilauea surface crevice debris
    Image Owner: Callan Bentley



    Description:

    Organic debris



  21. Pele's hair

    Snapshot Title: Pele's hair
    Taken by: Callan Bentley

    Image: Kilauea surface crevice debris
    Image Owner: Callan Bentley



    Description:

    long strands of glass



  22. Snail shell

    Snapshot Title: Snail shell
    Taken by: Callan Bentley

    Image: Kilauea surface crevice debris
    Image Owner: Callan Bentley



    Description:

    Little gastropod



  23. Obsidian

    Snapshot Title: Obsidian
    Taken by: Callan Bentley

    Image: Kilauea surface crevice debris
    Image Owner: Callan Bentley



    Description:

    glassy sheen



  24. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Kilauea surface crevice debris
    Image Owner: Callan Bentley



    Description:

    Petri dish is 9 cm in diameter



  25. Herkimer diamond?

    Snapshot Title: Herkimer diamond?
    Taken by: Callan Bentley

    Image: Glauconite Sand
    Image Owner: Robin Rohrback



    Description:

    What's this thing?



  26. Greenland Gap

    Snapshot Title: Greenland Gap
    Taken by: Callan Bentley

    Image: Westward Facing Quarry Wall (Wide View), Corridor H
    Image Owner: Marissa Dudek



    Description:

    Quartz-sandstone-rimmed anticline defining the ridge to the east, cut into w/ Greenland Gap.



  27. Fractures = fluid flow

    Snapshot Title: Fractures = fluid flow
    Taken by: Callan Bentley

    Image: Westward Facing Quarry Wall (Wide View), Corridor H
    Image Owner: Marissa Dudek



    Description:

    Clear evidence of alteration of the rock along the sides of fracture surfaces, preferred conduits for fluid flow through the subsurface.



  28. Lungfish burrows

    Snapshot Title: Lungfish burrows
    Taken by: Callan Bentley

    Image: Hampshire Formation, Corridor H, West Virginia
    Image Owner: Marissa Dudek



    Description:

    Four of them (vertical tubes) in this snapshot.



  29. Vertical tube

    Snapshot Title: Vertical tube
    Taken by: Callan Bentley

    Image: Hampshire Formation, Corridor H, West Virginia
    Image Owner: Marissa Dudek



    Description:

    Possible lungfish burrow.



  30. A closer look

    Snapshot Title: A closer look
    Taken by: Callan Bentley

    Image: Hampshire Formation, Corridor H, West Virginia
    Image Owner: Marissa Dudek



    Description:

    Here's a macro look at the contact between the oxidized and reduced zones in this shale. gigapan.com/gigapans/170646



  31. Fold

    Snapshot Title: Fold
    Taken by: Callan Bentley

    Image: Moose Mountain
    Image Owner: Mary Sanseverino



    Description:

    Nice exposure!



  32. A closer look

    Snapshot Title: A closer look
    Taken by: Callan Bentley

    Image: "Diamond in the Rough" outcrop of Hampshire Formation, Corridor H, West Virginia
    Image Owner: Callan Bentley



    Description:

    Here's a sample from this site of the contact between oxidized and reduced muds: gigapan.com/galleries/10019/gigapans/170646



  33. Zoom in here for a closer look

    Snapshot Title: Zoom in here for a closer look
    Taken by: Callan Bentley

    Image: Pennsylvanian Conemaugh Group - cropped
    Image Owner: Alan Pitts



    Description:

    gigapan.com/gigapans/177173



  34. GigaPanner Callan Bentley

    Snapshot Title: GigaPanner Callan Bentley
    Taken by: Callan Bentley

    Image: Pennsylvanian Conemaugh Group - cropped
    Image Owner: Alan Pitts



    Description:

    gigapan.com/profiles/callanbentley



  35. The Dragon's Tongue

    Snapshot Title: The Dragon's Tongue
    Taken by: Callan Bentley

    Image: "Dragon's Tongue" Outcrop, Corridor H, West Virginia
    Image Owner: Jeffrey Rollins



    Description:

    (moniker by Mitch Blake)



  36. Channel

    Snapshot Title: Channel
    Taken by: Callan Bentley

    Image: "Dragon's Tongue" Outcrop, Corridor H, West Virginia
    Image Owner: Jeffrey Rollins



    Description:

    with multiple episodes of infilling???



  37. Another truncated coal

    Snapshot Title: Another truncated coal
    Taken by: Callan Bentley

    Image: "Dragon's Tongue" Outcrop, Corridor H, West Virginia
    Image Owner: Jeffrey Rollins



    Description:

    Orange-stained sandstone above



  38. Truncation

    Snapshot Title: Truncation
    Taken by: Callan Bentley

    Image: "Dragon's Tongue" Outcrop, Corridor H, West Virginia
    Image Owner: Jeffrey Rollins



    Description:

    thin-bedded siltstone truncated by white sandstone



  39. Rockslide

    Snapshot Title: Rockslide
    Taken by: Callan Bentley

    Image: "Dragon's Tongue" Outcrop, Corridor H, West Virginia
    Image Owner: Jeffrey Rollins



    Description:

    These outcrops are already falling apart.



  40. Truncation

    Snapshot Title: Truncation
    Taken by: Callan Bentley

    Image: "Dragon's Tongue" Outcrop, Corridor H, West Virginia
    Image Owner: Jeffrey Rollins



    Description:

    Coal is older than sandstone



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