Laserfiche WebLink
Golder Associates Inc. <br />44 Union Boulevard, Suite 300 <br />Lakewood. CO USA 80228 <br />Telephone (303) 980 -0540 <br />Fax (303) 985 -2080 <br />October 15, 1999 <br />Cripple Creek & Victor Gold Mining Company <br />P.O. Box 191 <br />2755 State Highway 67 <br />Victor, Colorado 80860 <br />Attention: Mr. Ron Roberts <br />RE: PERCOLATION - CONSOLIDATION TESTING RESULTS <br />1.0 MATERIAL DESCRIPTION <br />2.0 CONSOLIDATION AND PERCOLATION TESTING <br />U.S. Standard Sieve Size Percent Passing <br />3 -inch 100 <br />1 -1/2 inch 89 <br />3/4 inch 64 <br />3/8 -inch 45 <br />No.4 31 <br />No. 40 11 <br />No. 200 6 <br />Golder <br />Associates <br />Our Ref.: 993- 2075.003 <br />Golder Associates Inc. (GAI) is pleased to present the results of testing conducted in <br />support of Cripple Creek & Victor Gold Mining Company's (CC &V) Valley Leach <br />Facility. This report details the results for gradation and percolation versus consolidation <br />testing performed on a sample of Cresson ore, <br />A sample of Cresson ore was provided by CC &V and used in the percolation - consolidation <br />testing program. The general ore sample gradation and description is provided below and <br />summarized in Table 1: <br />The sample classifies as a fine to coarse gravel with some fine to coarse sand with little <br />fines (Figures 1 and 2). <br />Consolidation and percolation testing was conducted on the Cresson ore sample. The <br />sample was incrementally loaded to a maximum stress of 432 pounds per square inch (psi) <br />consolidation pressure [equivalent to a heap height of 565 feet based on a bulk ore density <br />