Laserfiche WebLink
<br />' The waste rock samples of altered gneiss found within <br />the ore zone and delineated as interburden was considered the <br />t sample most likely to contain high quantities of mineralized <br />constituents and the full suite of geochemical tests were run <br />on these samples. The remaining samples were analyzed for total <br />sulfur and neutralization potential and then a batch test was <br />run on the material. Based on these test results as discussed <br />below, further testing of the remaining samples was not <br />' considered necessary. <br />The XRF test results show that the primar} constituent <br />by weight of the interburden waste rock is silica, representing <br />72 to 77 percent of the material. Aluminum, iron, and potassium <br />are the only other constituents which comprise more than one <br />percent by weight of the rock. <br />The acidification/neutralization potential tests for the <br />interburden showed a slight potential for acid production in <br />t the first sample and minimal potential in the second sample. <br />Results of the batch YestS and humidity cell tests run <br />on the interburden waste rock indicate no sulfide reactivity <br />1 resulting in acid production or appreciable change in any of <br />the constituents monitored over the entire test period. Test <br />results for the int:arburden.are presented in Appendix F. <br />Acidification,ineutralization of the clay zone, pink <br />gneiss and Santa Fe Conglomerate waste rock types snowed levels <br />of sulfur below the detection limits of the test for all <br />' samples tested, no potential for acid production, and a <br />moderate capacity for acid neutralizing. <br />Leachability testing in the Conglomerate produces a <br />slightly alkaline leachate devoid of any trace elements. <br /> <br />D-20 <br />