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5.13: S5 Cranberry Gneiss (Paragneiss)

  • Page ID
    11146
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    Outcrop and Hand Sample Photos and Videos

    This is a quartz-rich paragneiss. Can you see the foliation in the outcrop?

    S5-Cranberry-Paragneiss-scaled-1.jpg
    S5-Cranberry-2-scaled-1.jpg

    Thin Section Photos and Videos

    1st = plane polarized light; 2nd = cross-polarized light.

    Spot 1

    Quartz porphyroclast in fine-grained quartz matrix. What type of quartz textures do you see in the following images?

    S5-Cranberry-4x-ppl-no1-300x225.jpg
    S5-Cranberry-4x-xpl-no1-300x225.jpg

    Spot 2

    S5-Cranberry-4x-ppl-no2-300x225.jpg
    S5-Cranberry-4x-xpl-no2-300x225.jpg

    Entire thin section scan. 1st = ppl; 2nd = xpl. 

    A4-Mylonite-1-ppl-scaled-1.jpg
    S5-Cranberry-xpl-scaled-1.jpg

    This page titled 5.13: S5 Cranberry Gneiss (Paragneiss) 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.