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�00 <br /> "TWINING <br /> CONCRETE INSIGHT <br /> Morrison Quarry Rock Petrography Page 64 <br /> ' ' ..�.,`�' '�'- }��•' + � '{;. ♦ 'tit, <br /> Is <br /> e• •tom s r <br /> b i 1," ,� y i•r�� 4 <br /> t r�} <br /> f, <br /> (b) <br /> Figure 4.9c. Sample HDR-005 (191.0-191.8). (a) Photograph showing detail of the polished surface. Scale <br /> shows millimeter increments. (b) Reflected light photomicrograph showing detail for the polished surface. <br /> Red arrows indicate coarse grained quartz.Blue arrows indicate foliated biotite grains. <br /> Report No. 227893.d 22 November 2022 <br />