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The Hasbrouck/Three Hills project is
located in the historic Tonopah mining district five miles
southwest of Tonopah in Esmeralda County, Nevada. The
project encompasses 1,501 acres.
Gold occurs as hot-springs-style
mineralization hosted in volcanics of the Siebert Formation.
A third-party technical study was
completed for Vista Gold by Mine Development Associates of
Reno, Nevada on August 29, 2003. The Hasbrouck study was
developed using data from 54,339 feet of drilling,
principally comprised of 105 reverse-circulation holes
totaling 44,400 feet and 22 rotary drill holes totaling
8,980 feet. The drilling database was compiled from work
performed by FMC Gold Co., Cordex Syndicate and Franco
Nevada Inc. between 1974 and 1988. Based on this study,
mineralized material above a cut-off of 0.010 ounces of gold
per-ton is 20.3 million tons with an average grade of 0.023
ounces of gold per-ton and 0.32 ounces of silver per-ton.
The Three Hills study included data from
62,874 feet of drilling, comprised of 183 reverse-
circulation holes totaling 54,657 feet, 45 air-track and
rotary holes totaling 6,320 feet and 9 diamond drill holes
totaling 1,897 feet. The drilling was completed by Echo Bay
Mines Ltd., Eastfield Resources, Saga Exploration and Cordex
Syndicate between 1974 and 1996. Based on this study, gold
mineralized material above a cut-off of 0.01 ounces of gold
per-ton was 5.7 million tons with an average grade of 0.023
ounces of gold per-ton. On August 14, 2006, MDA of Reno,
Nevada issued a technical report describing technical work
performed by them.
|
Measured
and Indicated Resource |
Short Tons
(1,000s) |
Fire Assay
Gold Grade
(opt) |
Contained
Gold Ounces |
|
Hycroft |
52,700 |
0.019 |
1,001,000 |
|
Maverick Springs |
69,630 |
0.010 |
696,000 |
|
Mountain View |
23,219 |
0.013 |
301,850 |
|
Hasbrouck/Three Hills |
26,000 |
0.023 |
598,000 |
|
Wildcat |
38,108 |
0.018 |
685,940 |
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