Skip to main content
Geosciences LibreTexts

5.6: A1 Amphibolite

  • Page ID
    11139
  • Outcrop and Hand Sample Photos and Videos

    Click on the image to enlarge.

    This is in Galax. Houses were constructed on this site shortly after this field trip. You can see some of the cabins/houses in the background. This is an amphibolite (massive boulders) with some schist on the left side of the first photo. This is on the other side of a hill from A1 B2 Schist (next stop).

    Thumbnail for the embedded element "A1 amphibolite hand sample"

    A YouTube element has been excluded from this version of the text. You can view it online here: pb.libretexts.org/petrology/?p=287

    Thin Section Photos and Videos

    Click on the image to make it larger. 1st = plane polarized light; 2nd = cross-polarized light.

    Garnet surrounded by hornblende and quartz. Look at the inclusions in the garnet porphyroblast.

    Entire thin section scan. 1st = ppl; 2nd = xpl. Click on the image to make it larger.

    • Was this article helpful?