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"TWINING <br /> CONCRETE INSIGHT <br /> Morrison Quarry Phase II Rock Petrography Page 16 <br /> t• <br /> 111 <br /> (c) <br /> F. <br /> 111 <br /> (d) <br /> Figure 4.2d (cont'd). Sample 3. (c) Reflected light photomicrograph showing detail of the polished surface. <br /> (d) Another reflected light photomicrograph showing detail of the polished surface. Red arrows indicate <br /> quartz.Blue arrow indicates biotite and muscovite grains.Pink arrows indicate off-white to pale yellow-green <br /> and reddish-brown soft material consistent with kaolinite and/or talc. <br /> Report No. 237923.d 20 February 2023 <br />