Quartz diorite, thin section. Light micrograph taken with polarised light. This is a coarse-grained, holocrystalline igneous rock dominated by altered

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Quartz diorite, thin section. Light micrograph taken with polarised light. This is a coarse-grained, holocrystalline igneous rock dominated by altered plagioclase (40 vol%), hornblende (50%) and quartz (10%), with minor zircon, sericite (white mica) and chlorite. Horizontal object size: mm.

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Size: 5472px × 3648px
Photo credit: © ALFRED PASIEKA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: coarse-grained, diorite, geology, holocrystalline, hornblende, igneous, light, light., mica, micrograph, mineral, plagioclase, polarised, quartz, rock, section, thin