hornblende  search
BTsilicates
 .chain silicates
 ..amphibole group
 ...clinoamphibole
 ....hornblende
RTkaersutite
hornblende gneiss  search
SNA valid metamorphic rock term through 1977. Use gneisses and hornblende.
hornblende schist  search
BTmetamorphic rocks
 .schists
 ..hornblende schist
SNTerm reintroduced in 1982. Was valid through 1977. Before 1982, also search hornblende AND schists. Added to Thesaurus in 1982.