ES2 Metamorphic Rocks - Metamorphic Microstructures #8
Dimensional preferred orientation.
The coarse band in the centre of the field of view is made up almost entirely of calcite. The fabric in this band, which runs WNW-ESE, is defined by the elongation of the calcite grains.

Crossed polars. Field of view is 2.5 mm across.

Sample ZD31, Zanskar Himalaya

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DJW - August 1997