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The Khuvyn Khar copper-silver project is located on the Zuun Mod property, approximately 2.2 km northwest of the Zuun Mod molybdenum-copper porphyry deposit. Exploration work at Khuvyn Khar has included geological mapping, vein density mapping, geochemical sampling, geophysical surveys, and wide spaced drilling. Previous drilling completed by Erdene to test a geophysical target intersected 34 m of 1.3% copper and 9.24 g/t silver from 308 m to 342 m (hole ZMD-121). Additional drilling on the Khuvyn Khar prospect has defined a very large copper mineralized zone trending over 900 m with multiple zones in three drill holes returning assays in excess of 0.2% copper over significant widths (12 m to 42 m).
Recent exploration work carried out at Khuvyn Khar included a property-wide gravity survey, an expansion of the mobile-metal-ion (“MMI”) geochemical survey, re-logging of all drill holes and alteration mapping, including spectral analysis of drill core. This program resulted in the identification and prioritization of seven porphyry copper drill targets, three of which are considered high-priority with strong probability of intersecting copper porphyry mineralization at relatively shallow depths.
In 2015, Erdene granted a period of exclusivity to Tian Poh Resources Limited (“Tian Poh”) to exercise an option to acquire an interest in the Zuun Mod mining license (“Zuun Mod”). Under the terms of the agreement, Tian Poh agreed it would complete a 1,000 m drill program to test one of the copper targets at Khuvyn Khar. Tian Poh completed a two-hole, 1,000 m drill program. Hole ZMD-129 reached a depth of 450 m and intersected hydrothermal intrusive breccias and several porphyry intrusions, and included 242 m of 0.08% copper, including 8 m of 0.13% copper. Hole ZMD-130 was drilled to a depth of 550 m and intersected andesite with cross-cutting porphyry dykes, returning 192 m of 0.10% copper, including 4 m of 0.25% copper. The drilling also encountered elevated gold, up to 0.12 g/t. Tian Poh elected to not exercise its option to acquire an interest in the Zuun Mod mining license. Erdene continues to investigate options to advance the Zuun Mod and Khuvyn Khar projects.