Gabrodiorite, Plutonic, Lanark, Ontario Rocks on the mineralogical boundary between gabbro and diorite. Dark-gray to black, fine- to medium-grained, e

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Gabrodiorite, Plutonic, Lanark, Ontario Rocks on the mineralogical boundary between gabbro and diorite. Dark-gray to black, fine- to medium-grained, equigranular, faintly Dark-gray to black, fine- to medium-grained, equigranular, faintly foliated rock, composed of plagioclase, clinopyroxene, hornblende, biotite, and accessory sphene, apatite, and opaque minerals., composed of plagioclase, clinopyroxene, hornblende, biotite, and accessory sphene, apatite, and opaque minerals.

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Size: 5525px × 4692px
Photo credit: © Phil Degginger / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: biotite, clinopyroxene, diorite, equigranular, foliated, gabbro, gabbro-diorite, gabbro/diorite, gabrodiorite, hornblende, lanark, ontario, plagioclase, plutonic, rock