ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Mica schist folds. Polarised light micrograph of folds in a micaceous (mica-containing) schist. Mica schists are common metamorphic rocks that can be recognised by their schistosity (fine planar alignment of minerals) and the presence of micas. This example shows strong folding of alternating bands of quartz and muscovite. Horizontal object size of this section: 3.0mm.
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