Laserfiche WebLink
Recently enacted research on revegetating haul road <br /> slopes made of Open Pit waste material indicates such material can <br /> be revegetated with the Climax seed mixture , fertilizer and mulch. <br /> Chemical analysis also indicates it to be suitable plant growth <br /> medium if properly amended . Research plots have been established <br /> to determine pyrite-oxidation rates and efficient depths of the <br /> material when placed over tailing for revegetation purposes. <br /> Present plans are to place three feet of the material over the <br /> tailing until more information is obtained . Different rates of <br /> fertilizer , mulch and seeds are being tested, as are seeds and <br /> plants of different species and varieties upon the waste material . <br /> Naturally, Climax can watch the Urad tailing stabilization and <br /> revegetation project for guidance. <br /> This research includes plots with application to <br /> revegetating directly upon waste rock of McNulty Dump and the <br /> waste rock used as base for the Low Grade Ore Stockpile and will <br /> include the use of alpine vegetation within the alpine zone. <br /> Additional research plots have or will be established ? <br /> for the use of topsoil placed over tailing and waste rock material <br /> for revegetating. Only minimum amounts of topsoil will be <br /> available to aid the reclamation of Mayflower Tailing Pond , <br /> McNulty Dump and the base of the Low Grade Ore Stockpile. <br /> Research plots will be used to determine 1 ) sufficient depths of <br /> topsoil over variable depths of rock waste covering tailing, which <br /> would promote a self-sustaining vegetation; 2 ) uses and rates of <br /> soil amendments; 3 ) the best species seeds and plants to be used <br /> above and below timberline; and 4 ) special methods, procedures and <br /> precautions during preparation, planting and maintenance phases of <br /> reclamation. <br /> 10 .11 OPEN PIT AREA ( 1) <br /> Open Pit ( 1) mining is expected to cease near the year <br /> 2008; however , the mining plan is to remove waste and ore to final <br /> pit limits on upper portions during Phase II and Phase III . <br /> Very little or no reclamation activity will be applicable to pit <br /> walls and very steep rocky slopes. Reclamation will necessarily <br /> 10-9 <br />