Hornblende schist

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(Geol.) a hornblende rock of schistose structure.

See also: Hornblende

References in periodicals archive ?
If it helps - it didn't help me - the most musical rocks are Gneiss and Hornblende Schist.
The lithology of the area consists of greenschists, mica schists, quartzites, hornblende schists, amphibolites, garnet-amphibolites, serpentinites and porphyritic hypabyssal rocks with andesitic to dacitic composition (Figure 1).
At the western section of the greenschists, these are in transitional contact with hornblende schists.
At their western part, the hornblende schists are in contact with serpentinites (Figure 1).