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Location: 180 km NW from Anchorage, Alaska, United States
Whiskey Bravo Airstrip Matanuska-Susitna Borough1150 S Colony Way Suite 3-440PalmerAlaska, United States99645
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Nova Mineral is primarily exploring for Intrusion Related Gold System (IRGS) type deposit within the Estelle Gold Project.Estelle Project includes 3 deposits - Korbel Main, RPM North, and RPM South. RPM North and RPM South deposits are within 800m of each other and are located 27km south of the Korbel Main deposit. The Korbel Main pit is located in a valley between two mountain ridges. The topography is somewhat steep. The overburden consists of a thin layer of moraine. The RPM North pit is located partially on the side of a mountain ridge and partially in a valley. There is some overburden on parts of the deposit in the valley consisting of moraines, other parts on the ridgeline consist of bedrock outcrops. The RPM South pit is located on a mountain ridge, with mineralization outcropping on the surface with little to no overburden. DimensionsThe Main zone domain extends over around 2.6 km of strike at an average width of around 370 m. Modelled estimates extend from near surface to around 820 m depth with around 80% from depths of less than 500 m. The two steeply west dipping West and East mineralised domains interpreted for Cathedral are interpreted over around 780 and 420 m of strike respectively with average horizontal widths of around 340 m and 110 m. Estimates extend from surface to around 500 m depth with around 90% from less than 380 m depth. The combined mineralised domains strike east-west over around 740 m and average around 155 m wide. Resource estimates extend from surface to around 360 m depth with around 90% from vertical depths of less than 280 m.Mineralization on the Estelle property is hosted within veins within the plutonic suite and occasionally within the hornfelsed sedimentary rocks immediately adjacent to intrusive bodies. The sedimentary sequence hosting the plutons is generally barren. Mineralized veins in the intrusive body commonly contain quartz, tourmaline, chalcopyrite, arsenopyrite, pyrrhotite, molybdenite, stibnite, and pyrite. Gold bearing veins are most associated with arsenopyrite but, the presence of unidentified tellurides or other sulfosalts cannot be ruled out. Tellurium and bismuth are strongly associated with gold and mineralized intervals often contain consistent ratios of Bi/Au or Te/Au. A statistical review shows that the highest correlation coefficients with gold are tellurium (0.92), bismuth (0.86), arsenic (0.085) and silver (0.66). Gold mineralization does not appear to be affected by the different intrusive phases of the plutons with mineralized veins occurring in most igneous rock types to varying degrees across the property. The veins themselves crosscut the igneous body suggesting the host rock (granodiorite) was cool enough to deform brittlely at the time of mineralization. Two styles of hydrothermal alteration are recognized: 1) argillic/phyllic; and 2) propylitic. The regional alteration covers elongate zones within the granitic phases of the Mount Estelle pluton.
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