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�00 <br /> "TWINING <br /> CONCRETE INSIGHT <br /> Morrison Quarry Rock Petrography Page 24 <br /> { <br /> .ti <br /> L <br /> (a) <br /> Fx� <br /> (b) <br /> Figure 4.3c. Sample HDR-002 (225.0-225.6). (a) Photograph showing detail of the polished surface. Scale <br /> shows millimeter increments. (b)Reflected light photomicrograph showing detail of the polished surface.Blue <br /> arrows indicate foliated biotite grains.Yellow arrows indicate feldspar and/or quartz grains. <br /> Report No. 227893.d 22 November 2022 <br />