Origin of hornblende schist
Examples from the Web for hornblende schist
Many outcrops of similar rocks have been traced in the northern zones of the Alps, often with serpentine and hornblende-schist.
This killas is converted into hornblende-schist near the contact with the veins.A Manual of Elementary Geology|Charles Lyell.
The term is to some extent synonymous with “amphibolite” and “hornblende-schist.”