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Table 2.7-3. Particle size distribution Data, Pre and Post Artificial weathering from selected core samples from Drill Holes CR213 through CR224. <br />For Trapper Mine, 1974. (1) <br />Drill <br />Screen Product, Weight % <br />Hole <br />Sample <br />Type of Material. <br />No. <br />No.(1) <br />and Depth <br />mm <br />+ 1.19 <br />mm - + M <br />+ 0.053 <br />mm mm <br />213 <br />Sandstone <br />W-39 <br />70'9"-95'10" <br />8.2 <br />6.8 <br />16.4 <br />45.0 <br />23.6 <br />214 <br />Shale <br />W-49 <br />150'1"-202'8" <br />12.3 <br />15.5 <br />19.7 <br />9.0 <br />43.5 <br />215 <br />Shale <br />W-33 <br />4214"-5912" <br />9.5 <br />13.6 <br />13.2 <br />15.4 <br />48.3 <br />216 <br />Sandstone and Siltstone <br />W-22 <br />96'7"-133'8" <br />20.8 <br />14.4 <br />13.5 <br />31.4 <br />19.9 <br />216 <br />Shale <br />W-25 <br />166'0"-190'5" <br />15.2 <br />12.9 <br />21.2 <br />10.3 <br />40.4 <br />i <br />217 <br />Sandstone <br />W-28 <br />20'7"-85'5" <br />9.7 <br />4.5 <br />12.1 <br />56.1 <br />17.6 <br />217 <br />Shale <br />W-30 <br />116'6"-146'6" <br />11.6 <br />11.7 <br />11.5 <br />15.6 <br />49.6 <br />218 <br />Sandstone and Siltstone <br />W-11 <br />167'3"-208'3" <br />23.2 <br />12.9 <br />18.5 <br />27.0 <br />18.4 <br />218 <br />Shale <br />W-13 <br />226110"-24013" <br />29.1 <br />23.1 <br />9.7 <br />12.7 <br />25.4 <br />218 <br />Sandstone and Siltstone <br />W-15 <br />263'3"-286'6" <br />36.8 <br />17.7 <br />6.7 <br />11.2 <br />27.6 <br />219 <br />Shale <br />W-66 <br />74'10'-119'5" <br />15.7 <br />22.2 <br />22.4 <br />8.2 <br />31.5 <br />Cont'd. <br />next page. <br />(1) 'W' indicates artificially weathered. <br />