5.8: A3 Amphibolite
- Page ID
- 11141
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Outcrop and Hand Sample Photos and Videos
Click on the image to enlarge.
This is a massive amphibolite. The field stop seems to have been used as a rock quarry and dump for road construction. Note the jointing in the rocks (especially in 2nd photo).
Thin Section Photos and Videos
1st = plane polarized light; 2nd = cross-polarized light.
Interlocking clusters of hornblende (amphibole, green in ppl) and quartz.
Entire thin section scan. 1st = ppl; 2nd = xpl.
