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�00 <br /> "TWINING <br /> CONCRETE INSIGHT <br /> Morrison Quarry Rock Petrography Page 26 <br /> 1� <br /> r t <br /> l <br /> � f <br /> (b) <br /> Figure 4.3e. Sample HDR-002 (225.0-225.6). Another transmitted light photomicrograph of thin section <br /> showing detail of rock in (a) plane-polarized and (b) cross-polarized light. Red arrow indicate quartz grains. <br /> Yellow arrow indicates feldspar.Blue arrows indicate foliated biotite grains. <br /> Report No. 227893.d 22 November 2022 <br />