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4.3: BC/Bu 19 (Critical Zone)

  • Page ID
    11133
  • \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} } \) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)

    HAND SAMPLE IMAGES AND VIDEOS

    Bu25-3-scaled-1.jpg Bu19-1-scaled-1.jpg

    THIN SECTION IMAGES AND VIDEOS

    Images were obtained using a 4x objective (40x total magnification). 1st image = PPL. 2nd image = XPL. 

    Spot 1

    Bu19-1-ppl-4x-300x225.jpg
    Bu19-1-xpl-4x-300x225.jpg

    Spot 2

    Bu19-2-ppl-4x-300x225.jpg
    Bu19-2-xpl-4x-300x225.jpg

    THIN SECTION SCANS

    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).

    Bu19-ppl-5x7-1200dpi-scaled-1.jpg
    Bu19-xpl-5x7-1200dpi-scaled-1.jpg

    Query \(\PageIndex{1}\)


    This page titled 4.3: BC/Bu 19 (Critical Zone) is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by Elizabeth Johnson and Juhong Christie Liu (Virtual Library of Virginia) via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request.