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The Railroad-Pinion Gold Project is the Company’s flagship project in North Central Nevada.


Project summary and 2016 exploration program

The Railroad-Pinion Gold Project is the Company’s flagship project in North Central Nevada. The 100% owned/controlled project, covers approximately 115 km2 (30.4k acres) (see map below). The property is located within the prolific Carlin Trend, adjacent to Newmont’s Rain and Emigrant mines, and is 47 kilometers southwest of Elko. The Railroad-Pinion project encompasses the entire “Fourth Window” on the Carlin Trend (see map below). It encompasses a unique target-rich district which still remains predominantly untested. Gold Standard continues to explore and discover new gold zones throughout the property. The Company has prioritized four advanced targets for further work this year—the newly discovered North Dark Star/Dark Star, Pinion oxide-gold deposit, the classic Carlin style North Bullion deposit and the Bald Mountain oxide-gold and copper target. The Railroad-Pinion project also covers 14 km of the Bullion Fault Corridor, a major gold-mineralized north south trending structural corridor, which hosts both Pinion and North Bullion deposits. North Bullion occurs near the north end of the structure and the Pinion occurs at southern end, with multiple untested target areas in between. While Dark Star and North Dark Star are both hosted at the north of the 6 km Dark Star Structural Corridor, which is being further tested with this year’s drill program (Please see 2016 exploration program details below).

2016 Exploration Program

USD $13.4 million program will include 43,000 m of reverse-circulation (RC) and core drilling in a total of 100 holes

Dark Star

  • At the North Dark Star discovery, located north of the Dark Star maiden resource, complete about 10,300 m of RC and core drilling in 22 holes to expand areas of known shallow oxide gold mineralization north and south of DS15-13. Gold mineralization is hosted in favorable carbonate rocks—bioclastic limestone, silty limestone and calcareous sandstone within a coarse conglomerate debris flow unit. This Pennsylvanian-Permian unit also hosts the main Dark Star deposit to the south, and represents a new, unconventional host rock on the Carlin Trend.
  • Within the 6 km-long Dark Star Structural Corridor, complete about 10,100 m of RC drilling in 22 holes to test new targets south of the Dark Star maiden resource.   The Dark Star Structural Corridor is a north-trending horst defined by gravity, CSAMT, geologic mapping, and soil sampling. The corridor is largely untested by drilling.
  • As background, the maiden Dark Star NI 43-101 compliant resource estimate was completed last year by APEX Geoscience of Edmonton, Canada and included an Inferred Mineral Resource of 23.11 million tonnes grading 0.51 grams per tonne (g/t) gold (Au), totaling 375,000 ounces of gold using a cut-off of 0.14 g Au/t (see March 3, 2015 news release). This oxide resource is open in multiple directions. The North Dark Star discovery was made in late 2015. Three holes (DS15-10, -11 and -13) completed 515m north of the maiden resource returned multiple, significant oxidized intercepts containing gold values above the cut-off grade of 0.14 g Au/t. Core hole DS15-13 intersected 15.4 meters of 1.85 grams gold per tonne (g Au/t) and 97.0 meters of 1.61 g Au/t (see January 21, 2016 news release). North Dark Star remains open in multiple directions.


  • At Northwest Pinion, complete about 5,700 m of RC drilling to extend known oxide mineralization along the South Fault Corridor, an important control on gold mineralization at Pinion. 
  • At the new Sentinel Breccia target, 12 RC holes (about 3,700 m) will test for bedrock extensions to gold mineralization identified by surface rock samples.   This undrilled target is a hematitic, silicified multi-lithic breccia within the footwall of the north-striking Bullion Fault Zone, located 350m north of Pinion. At a 0.14 g Au/t cutoff, continuous rock chip channel samples returned seven significant weight-averaged, composite intervals that included 27.4m of 0.35 g Au/t and 12.2m of 0.46 g Au/t (see news release dated January 25, 2016).
  • At the new Irene target, 2.4 km northwest of the Pinion resource, complete approximately 1,800 m of RC drilling. Irene is located along the projection of the South Fault Corridor, an important control on gold mineralization at Pinion. At this location, north and northwest-trending gold-in-soil (values ranging from <1 to 325 ppb) and arsenic-in-soil (values ranging from 10 to 2670 ppm) anomalies are coincident with silicified, quartz-and-barite-veined breccias in the Chainman Formation above the favorable breccia host horizon at the top of Devil’s Gate Limestone (see March 25, 2015 news release).
  • At the NW Main Zone, Far Northwest and South Pinion targets, complete about 3,000 m of RC drilling to extend areas of known oxide mineralization outward from the Pinion resource.

North Bullion

  • Drill nine holes (approximately 4,800 m) to extend areas of west-northwest and north-trending, high-grade gold mineralization in the Lower Breccia Zone and test new targets recognized in multiple data sets including grade x thickness contours, structure contours, gravity and CSAMT.

Bald Mountain

  • On the northern flank of the Bullion Stock target, drill up to eight RC holes (about 3,600 m) to test new oxide gold targets developed within a 4 km-long west-northwest-striking dike-filled corridor.   In 2013, core hole RRB13-01 intersected 56.1m of 1.47 g Au/t including 7.3m of 5.66 g Au/t in oxidized, multi-lithic collapse breccia (mlbx) developed along the contact between the Tripon Pass Formation and the underlying Devils Gate Limestone (see news release dated October 2, 2013). The Bald Mountain mineralization occurs in the same stratigraphic position as mlbx hosted gold at Pinion and North Bullion.

Pre-Development Program

  • Gold Standard will also initiate permitting, metallurgical and economic studies to move Pinion and Dark Star toward development.


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