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%*SO <br /> "TWINING <br /> Morrison Quarry Phase II Rock Petrography Page 7 <br /> Ox <br /> y � � <br /> r, Gr <br /> rv. .. ..t A <br /> u <br /> u �4 <br /> (a) M, <br /> `� <br /> Aw <br /> . 1 <br /> +B <br /> .tom• <>t <br /> a <br /> 111 <br /> (b) <br /> Figure 4.1d. Sample 1. (a) Reflected light photomicrograph showing detail of the polished surface. <br /> (b) Another reflected light photomicrograph showing detail of the polished surface. Red arrows indicate <br /> quartz. Blue arrows indicate biotite grains. Green arrows in (b) indicate clay minerals and fine grained <br /> carbonate material lining fractures in the body of the rock sample. <br /> Report No. 237923.d 20 February 2023 <br />