ng20191130_10k.htm,  · UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended November 30, 2019Naviga,  · For the life of mine (LOM) mill feed containing 0.55 g/t gold and 0.21% copper, the average copper and gold recoveries to the concentrate are projected to be 81.6% and 55.3%, respectively. As projected from the testwork, the cyanidation circuit (carbon-in-leach [CIL]) will increase the overall gold recovery to a range of 60% to 79%, depending on gold and copper head grades.United States Environmental Protection Agency | US EPA,  · Copper 544923 Copper Cyanide 191071 Coronene 1319773 Cresol/Cresylic Acid (Mixed Isomers) 14464461 Cristobalite 80159 Cumene Hydroperoxide 57125 Cyanide 144 Cyanide & Compounds 108918 Cyclohexanamine 110827 Cyclohexane 53880050 108941.

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