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rockshop's Snapshots

  1. Polish Drag Marks

    Snapshot Title: Polish Drag Marks
    Taken by: rockshop

    Image: Arizona Petrified Wood Polished Slab
    Image Owner: rockshop



    Description:

    Grinding using multi-step silicon carbide grit results in trapped grit pieces in hollows which emerge during finer grit grinding and polishing stages. Many of these are invisible to the eye unless ex...



  2. Dust

    Snapshot Title: Dust
    Taken by: rockshop

    Image: Arizona Petrified Wood Polished Slab
    Image Owner: rockshop



    Description:

    Clean, clean, clean. It is very difficult to remove all the dust as it falls during the shot. More postprocessing in PS needed.



  3. Fortifications

    Snapshot Title: Fortifications
    Taken by: rockshop

    Image: Arizona Petrified Wood Polished Slab
    Image Owner: rockshop



    Description:

    Hollows infilled with silica material.



  4. Pith

    Snapshot Title: Pith
    Taken by: rockshop

    Image: Arizona Petrified Wood Polished Slab
    Image Owner: rockshop



    Description:

    The center of this particular tree. Most likely the tree dried causing cracks that extended from the center that later were fortified by silica. The drying pattern here is similar to what you'd see ...



  5. Cell Structure

    Snapshot Title: Cell Structure
    Taken by: rockshop

    Image: Arizona Petrified Wood Polished Slab
    Image Owner: rockshop



    Description:

    Much of the Arizona Petrified Wood shows no cell structure. Looking carefully at this piece you can see cell replacement by the silica plus areas where the silica just appeared to fill in voids.



  6. Fern

    Snapshot Title: Fern
    Taken by: rockshop

    Image: Fossil Fern
    Image Owner: rockshop



    Description:

    .