Polarised LM of thin section of grain diorite rock

Polarised LM of thin section of grain diorite rock

E417/0142

Rights Managed

Caption

Grain diorite. Polarised light micrograph (PLM) of a thin section through grain diorite rock. Diorite is an intrusive igneous rock, found on the margins of granite batholiths. It contains plagioclase anorthite and hornblende, often with accessory inclusions of magnetite, ilmenite or quartz. The rock is medium to coarse grained and appears dark grey to the unaided eye. It is used as a building stone. Magnification: x6 at 6x7cm size. Magnification; x11 at 4x5" size.

Release details

Model release not required. Property release not required.

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