the giant oyu tolgoi porphyry copper deposit : discovery history and ...

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High grade mineralization: OTD344 First “<strong>porphyry</strong>-style”, quartz-chalcopyrite, bornite stockwork in Far North 0.43 5.43 >90% quartz with chalcopyrite-bornite: 5.43% <strong>copper</strong>, 0.43g/t gold
116m @ 0.57g/t Au, 4.95% Cu 236m @ 0.80g/t Au, 4.03% Cu 526m @ 1.00g/t Au, 2.79% Cu OTD 514B
Page 1 and 2: THE GIANT OYU TOLGOI PORPHYRY COPPE
Page 3 and 4: ACKNOWLEDGEMENTS Magma BHP Ivanhoe
Page 5 and 6: Location Map of Oyu Tolgoi
Page 7 and 8: The Mongol Conquests
Page 9 and 10: Andrews Central Asiatic Expedition
Page 11: Hanbogd town Oyu Shivee Exploration
Page 14 and 15: Erdenet-BHP Meeting in Beijing, May
Page 17 and 18: BHP Oyu Tolgoi Camp, May 1997
Page 19 and 20: Hugo Dummett and D. Jargalsaikhan v
Page 21 and 22: Display of Oyu Tolgoi drill core at
Page 23 and 24: Ivanhoe’s History in Mongolia Iva
Page 25 and 26: Oyu Tolgoi site visit in July 1999
Page 27 and 28: Reasons for the positive assessment
Page 29: Magma BHP - Diamond Drill Hole Loca
Page 32 and 33: Drill Section Illustrating OTD-159
Page 34 and 35: Hugo Dummett OTD270 North Oyu Centr
Page 36 and 37: Far North OTD270: Chalcocite
Page 38 and 39: Oyu Tolgoi Team Proof that Geophysi
Page 42 and 43: High grade mineralization: OTD514 Q
Page 44 and 45: SOUTH & SOUTHWEST OYU CENTRAL OYU H
Page 46 and 47: Southwest Oyu • Hole 150 - Southw
Page 48 and 49: Oyu Tolgoi Deposit Tonnage (tonnes)
Page 50: Thanks, you’ve found us what we w

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