Highlander Gold and Silver Project

Lease Status: Available

Exploration Target:  The target at Highlander is Carlin-type gold and silver mineralization.

Property Highlights:

    • High-grade gold and silver in jasperoid: up to 4.6 g/t gold in outcrop.
    • Carlin-type gold and silver mineralization hosted in under-explored Cambrian section.
    • Ore grade drill intercept (45 feet @ 0.5 g/t Au) not followed up.
    • Prospective host untested at depth with Long Canyon style targets.

Location: 

The Highlander Prospect is located approximately 10 miles west of Pioche, Nevada. Access is gained by traversing approximately 13 miles of well-maintained secondary highways and gravel roads, then traveling the last 2 miles on backcountry dirt roads.

Geologic Setting:

Auriferous silicified structures and fracture sets criss-cross the property, hosted in massive dolomite of the upper Cambrian section at the surface. The Cambrian section has received new interest in the exploration community as a result of Newmont’s success at Long Canyon. The undifferentiated upper Cambrian section consists of an upper section of massive dolomite with minor interbedded limestone horizons and a lower more favorable host section of soft, reddish, yellowish, silty or cherty fossiliferous shaley to massive limestone. The early drilling established the fact that the permissive limestone section lies at prospective depths beneath the upper dolomite section.    

Project History:

In 1991, Gold Fields conducted a program consisting of rock chip sampling, a soil grid, an Induced Polarization survey and drilled 11 shallow holes. They hit intersected up to 45 feet @ 472 ppb Au including 5 feet @ 2.1 g/t Au.  Most recently Newmont ran an abbreviated program drilling three holes on the east side of the property. These holes failed to test the best and most obvious targets.

Target Concept:

Highlander shows excellent potential to host a large Carlin-type gold/silver deposit. Goldfields collared their angle holes immediately adjacent to silicified structures. At the higher elevations they failed to penetrate below the dolomite. At lower elevations they collared in dolomite in mineralization, drilling angle holes well into the footwall before getting into the more prospective limestone section at the bottom of the holes. Their best intercept hit 145 feet of anomalous gold mineralization beginning at the surface ranging from a few tens of ppb to .061 opt Au. By the time they drilled down into the permissive limestone section they were well into the footwall of the mineralized structure. They also drilled an IP target well away from the mineralized surface exposures that bottomed in 165 feet of anomalous gold mineralization grading up to 442 ppb Au. The most obvious target would be to drill the feeder faults where they penetrate the permissive limestone unit on the west side of property.

 

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