Gold Exploration

Golden Black Hawk - Dun Glen Gold Project 
Pershing County, Nevada

The Dun Glen Gold Project is located in northern Pershing County, Nevada and lies approximately 25 miles southwest of Winnemucca and 21 miles north of the Florida Canyon Mine. The project area consists of 94 contiguous unpatented lode mining claims covering approximately 1,700 acres within the Sierra Mining District, an area with historic published production of at least 250,000 ounces of gold from both lode and placer sources.

The property encompasses a high-grade gold-bearing structural corridor over 10,000 feet long and is surrounded by extensive historic placer mines and occurrences. Varying levels of gold production occurred at a number of small underground mines that lie within the project area between 1862-1880 and throughout the early 20th century. The most productive mines covered by the existing claims were the Auld Lang Syne, Black Hole, and Monroe, producing between 50,000 - 75,000 ounces of gold. Placer operations produced over 200,000 ounc ...More

Dun Glen Gold Exploration Program 
Black Hawk Exploration has commenced an initial exploration program at the Dun Glen Project that includes detailed geologic mapping and geochemical soil sampling that will delineate specific targets for drill testing later this year. These targets are planned to test extensions of historic high-grade areas and explore for additional higher grade zones along the 10,000 feet of strike length. An important area of focus will be identifying and testing targets beneath the historic surface mine workings.

Dun Glen Gold Project Location 
The Dun Glen Gold Project lies at the intersection of three separate structural trends whose extensions host several major gold deposits. In addition to the Florida Canyon Mine, the property is within 50 miles of numerous well-known gold deposits including Spring Valley, Sleeper, Twin Creeks, Adelaide Crown and the Phoenix Complex. The property sits approximately 8 miles east of Interstate 80 with direct access provided by two highway exits and existing dirt roads.

Dun Glen Previous Gold Exploration 
The first modern exploration at Dun Glen was conducted by Franco-Nevada geologist Ken Snyder, whose discovery of the Midas gold deposit resulted in the mine that was named after him. The initial 157 surface samples taken from the outcrops, dumps and prospects throughout the district returned values up to 2.24 oz/ton gold and 29.8 oz/ton silver.

Following Franco-Nevada’s merger with Newmont, six reverse circulation drill holes were planned at Dun Glen in 2002. Due to equipment-related logistical problems, only five of the holes were drilled with only one hole able to reach the edge of the targeted vein zone. Visible gold was noted by Snyder in the sample interval from this hole, and further drilling was recommended but never conducted.

Sierra District Geology 
The stratigraphy of the Sierra District consists of lower Triassic Koipato and Natchez Pass strata which are cut locally by diabase dikes and sills which are vertical or dip southeastward. Quartz veins often occur in proximity to the intermediate intrusive rocks and usually also dip moderately eastward. At Dun Glen, the Koipato consists of low-grade metamorphic rocks. Mineralization in the area consists of white to orange-brown massive quartz veins which generally have a “mesothermal” appearance.

A characteristic of mesothermal systems is the tendency for homogeneity and down-dip continuity. Historical mining in the district never extended below the water table, which is near surface and less than 250 feet in any given area, so no empirical information on down-dip continuity is available. One of the goals of HuntMountain’s exploration program will be to test the nature and extent of this down-dip continuity.

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