hornblende rockn. a green-stone consisting chiefly of hornblende.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > plutonic rocks > greenstone > varieties of
mulatto1816
hornblende rock1821
diorite1826
hypersthene rock1838
hypersthenite1849
norite1853
aphanite1863
hyperite1863
1821 J. MaccullochGeol. Classif. Rocks 298 Wherever hornblende rock occurs, it is only a portion of those beds of which the greater parts present the same characters as hornblende schist.