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Geosciences LibreTexts

4.1: BC/Bu 3 (Critical Zone)

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  • Page ID
    11129

    • HAND SAMPLE IMAGES AND VIDEOS

    Click on the image for a larger, downloadable version.

    Thumbnail for the embedded element "Bu 3"

    A YouTube element has been excluded from this version of the text. You can view it online here: pb.libretexts.org/petrology/?p=237

    THIN SECTION IMAGES AND VIDEOS

    Images were obtained using a 4x objective (40x total magnification). 1st image = PPL. 2nd image = XPL. Click on image to download full-sized image file.

    Please note: this thin section is a bit thick. Plagioclase has first-order yellow colors in some images.

    Spot 1

    Thumbnail for the embedded element "Bc3 1 video"

    A YouTube element has been excluded from this version of the text. You can view it online here: pb.libretexts.org/petrology/?p=237

    Spot 2

    Thumbnail for the embedded element "Bc3 2 video"

    A YouTube element has been excluded from this version of the text. You can view it online here: pb.libretexts.org/petrology/?p=237

    THIN SECTION SCANS

    Click on the image for a larger, downloadable version. Top image = plane polarized light. Second image = cross polarized light. Third image = juxtaposition of ppl and xpl. Thin section is 2.54 cm wide (distance from top to bottom of image).

    The original version of this chapter contained H5P content. You may want to remove or replace this element.