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  • Micrograph of rock microstructure with polarising filters
    Rights: Virginia Toy, University of Otago Published 29 February 2012 Size: 100 KB Referencing Hub media

    Alpine Fault mylonitic rock sample with polarising filters. Different minerals show up as different colours under polarised light. The quartz grains (seen in red) would appear as a continuous clear band without the filter.

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