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.
This assemblage was observed in hornblende schists and garnet amphibolites with the Grt+Hbl+Ep+Pl+Qtz association (sample Arq54; Figure 1; Table 2), whereas the amphibole is represented in the Arquia Group rocks by hornblende.
This is manifested by transitional changes from greenschists to hornblende schists and subsequently to amphibolites.
Hornblende schists Hbl (29-48%) + Czo (2-11%) + Zo (5-13%) + Ep (2-8%) [+ or -] Grt (0-16%) + Qtz (3-29%) + Ab (5- 32%) + Chi (5-11%) + Act (1-8%).