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Callan Bentley's Snapshots

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  1. Dropstones

    Dropstones by Callan Bentley from the GigaPan Konnarock Formation as Cautionary Tale 2 by Robin Rohrback-Schiavone

    Iceberg-rafted dropstones.

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  2. Ball & pillow

    Ball & pillow by Callan Bentley from the GigaPan Monocline in Hampshire Formation by Alan Pitts

    Looks like some soft sediment deformation to me.

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  3. Compare & contrast

    Compare & contrast by Callan Bentley from the GigaPan Konnarock Formation: a GIGAmacro Cautionary Tale by Robin Rohrback-Schiavone

    Properly stacked (left) and improperly (right)

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  4. And, yet,

    And, yet, by Callan Bentley from the GigaPan Konnarock Formation: a GIGAmacro Cautionary Tale by Robin Rohrback-Schiavone

    ...some areas look just fine upon zooming in. What gives?

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  5. Seeing double

    Seeing double by Callan Bentley from the GigaPan Konnarock Formation: a GIGAmacro Cautionary Tale by Robin Rohrback-Schiavone

    Focal stacking chooses two different "base" images?

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  6. The dreaded 'starburst' effect

    The dreaded 'starburst' effect by Callan Bentley from the GigaPan Konnarock Formation: a GIGAmacro Cautionary Tale by Robin Rohrback-Schiavone

    Why, oh why?

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  7. Focal stacking 'edge' artifact

    Focal stacking 'edge' artifact by Callan Bentley from the GigaPan Konnarock Formation: a GIGAmacro Cautionary Tale by Robin Rohrback-Schiavone

    Aaaarrrrgggghhh.

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  8. Cross-beds

    Cross-beds by Callan Bentley from the GigaPan Ferron Sandstone by Mark Barton

    Sweet - "textbook" example.

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  9. Weird lumps

    Weird lumps by Callan Bentley from the GigaPan Flute Casts in Brallier Formation Shale by Robin Rohrback-Schiavone

    Not sure how to interpret this blob, the biggest protrusion from the bottom of the bed. (Burrow infill?)

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  10. Interesting way these...

    Interesting way these... by Callan Bentley from the GigaPan Flute Casts in Brallier Formation Shale by Robin Rohrback-Schiavone

    ...joints (veins) tip out with respect to one another.

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  11. Tool marks

    Tool marks by Callan Bentley from the GigaPan Flute Casts in Brallier Formation Shale by Robin Rohrback-Schiavone

    These straight grooves (angled from lower left towards upper right) may be tool marks (gouges in the sediment when a stick or shell or something -- a "tool" -- is dragged in a current over the sediment.

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  12. Interesting fracture/vein relationship

    Interesting fracture/vein relationship by Callan Bentley from the GigaPan Flute Casts in Brallier Formation Shale by Robin Rohrback-Schiavone

    They're the same, but then the split, and re-merge?

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  13. More sweet flutes

    More sweet flutes by Callan Bentley from the GigaPan Flute Casts in Brallier Formation Shale by Robin Rohrback-Schiavone

    pointed at upstream end, flaring out wider on the downstream end.

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  14. Two flute casts

    Two flute casts by Callan Bentley from the GigaPan Flute Casts in Brallier Formation Shale by Robin Rohrback-Schiavone

    Current direction was left-to-right in this image. You're looking at the bottom of the bedding plane.

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  15. Neat to see

    Neat to see by Callan Bentley from the GigaPan Brallier shale NEW new Route 55 WV (version 1) by Alan Pitts

    how the location of the seeps (marked by ice) are controlled by the change in dip of the beds (trough of an open, upright syncline).

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  16. Karst signature

    Karst signature by Callan Bentley from the GigaPan Syncline in Helderburg Group by Alan Pitts

    Is this breakdown from a collapsed cave system?

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  17. Hinge 2

    Hinge 2 by Callan Bentley from the GigaPan Syncline in Helderburg Group by Alan Pitts

    Not as well defined up here...

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  18. Hinge

    Hinge by Callan Bentley from the GigaPan Syncline in Helderburg Group by Alan Pitts

    Nice and crisp, straight limbs, apparently at close to a right angle to one another.

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  19. Lens cap for scale

    Lens cap for scale by Callan Bentley from the GigaPan Genoa Fault Closeup, Carson Valley, Nevada by ahochstaedter

    Pentax

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  20. Mr. E. coli

    Mr. E. coli by Callan Bentley from the GigaPan Thoroughfare Gap Weverton Formation, upper section by Alan Pitts

    looks downtrodden and mopey...

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  21. Ponies!

    Ponies! by Callan Bentley from the GigaPan White Rocks Overlook Bull Run Mountain, Virginia by Alan Pitts

    A whole herd of them!

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  22. Mr. E. coli

    Mr. E. coli by Callan Bentley from the GigaPan White Rocks Overlook Bull Run Mountain, Virginia by Alan Pitts

    is out of focus, and I'm sure he's okay with that.

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  23. House

    House by Callan Bentley from the GigaPan White Rocks Overlook Bull Run Mountain, Virginia by Alan Pitts

    Nice looking little shack.

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  24. Bedding with foliation overprint

    Bedding with foliation overprint by Callan Bentley from the GigaPan Limy slate by Callan Bentley

    This sample is metasedimentary: the horizontal bedding is original layers of sediment, while the diagonal planes are a later addition: metamorphic foliation.

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  25. garnet porphyroblast

    garnet porphyroblast by Callan Bentley from the GigaPan Garnet Schist by Callan Bentley

    .

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  26. Feldspar

    Feldspar by Callan Bentley from the GigaPan Beartooth Andesite by Callan Bentley

    with cleavage and zonation

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  27. Nice warm day?

    Nice warm day? by Callan Bentley from the GigaPan Railroad Cut Linden, VA by Alan Pitts

    :)

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  28. Lots of dendrites nucleate on the edge

    Lots of dendrites nucleate on the edge by Callan Bentley from the GigaPan Pyrolusite dendrites on a limestone joint surface by Callan Bentley

    of the sample.

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  29. Lovely branching dendrites

    Lovely branching dendrites by Callan Bentley from the GigaPan Pyrolusite dendrites on a limestone joint surface by Callan Bentley

    .

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  30. Dendrite fan with red lint thread!

    Dendrite fan with red lint thread! by Callan Bentley from the GigaPan Pyrolusite dendrites on a limestone joint surface by Callan Bentley

    .

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  31. Dendrite fan

    Dendrite fan by Callan Bentley from the GigaPan Pyrolusite dendrites on a limestone joint surface by Callan Bentley

    Awesome!

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  32. Conchoidal fracture in quartz

    Conchoidal fracture in quartz by Callan Bentley from the GigaPan Test Gigamacro #2 by Callan Bentley

    little "clamshell" ribs

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  33. People at the pass

    People at the pass by Callan Bentley from the GigaPan Volcan Xinantecatl by Pino Carrola

    Peregrineros crossing the saddle?

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  34. Stromatolite!

    Stromatolite! by Callan Bentley from the GigaPan SharkBay1 by Ariel Anbar

    Awesome. So jealous you are there in person!

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  35. Gull Island

    Gull Island by Callan Bentley from the GigaPan Homer Spit by Alan Sharp

    breeding site for seabirds of several species.

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  36. Center for Alaskan Coastal Studies

    Center for Alaskan Coastal Studies by Callan Bentley from the GigaPan Homer Spit by Alan Sharp

    headquarters building.

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  37. Mandibles

    Mandibles by Callan Bentley from the GigaPan Cerambycidae 4 by NCSU Insect Museum ncsuinsectmuseum

    Yikes

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  38. Student for scale

    Student for scale by Callan Bentley from the GigaPan Anticline / syncline pair, new New Route 55, west of Moorfield, West Virginia by Callan Bentley

    Running over to get into place.

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  39. Nonconformity

    Nonconformity by Callan Bentley from the GigaPan Painted Wall, Black Canyon of the Gunnison National Park, Colorado by Ron Schott

    Overlying the Precambrian crystalline "basement" rocks, Early Jurassic Entrada Sandstone lies, with lots of time missing between the two rock units.

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  40. Pied crow

    Pied crow by Callan Bentley from the GigaPan The Blue Mosque, Istanbul, Turkey by Tom Nelson

    in flight

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