1,500 acres land package being explored as a sediment hosted, Carlin-type, structurally controlled epithermal gold system
Located in western Nevada where the southern part of the Walker Lane structure, a major northwest-southeast-trending structural zone that hosts a variety of precious metal and base metal mineral deposits,
Recently collected high-grade samples include 11.21% and 4.24% copper in the area where the sample of 10 g/t gold had previously been collected (2008)
Gold in Esmeralda County, Nevada, USA
The Walker Lane is a major northwest-southeast-trending fault zone that hosts a variety of precious metal and base metal mineral deposits (as well as geothermal activity).
The South Lida project is a gold exploration property located within the Lida Mining District in the south-central part of Esmeralda County, Nevada. The project is comprised of 71 unpatented lode mining claims owned 100% by American Pacific Mining (US) Corp (a subsidiary of American Pacific Mining Corp). The property is 31 miles southwest of Goldfield, Nevada.
There are two types of deposits being explored for:
- Sediment hosted, “Carlin-type” deposits
- Fault controlled, epithermal-type deposits
Sediment hosted, Carlin-type deposits are well known in the Great Basin and generally occur in limey sedimentary rocks. The deposits are typically associated with complex fault settings. Mineralization is often disseminated in specific horizons in the sedimentary rocks and the core of the mineralization is associated with a fault or dike zone that acted as a primary control to mineralization.
Fault controlled epithermal-type deposits are found throughout Nevada and typically are associated with complex fault settings along high-angle faults. The association of low-angle faults often provides additional areas where further discoveries can occur.
No mineral reserves or mineral resources are defined on the South Lida Project; however, through modern technology and with the right team, this geologic setting could show favorable results as it has for gold deposits in the Great Basin region of Nevada.
The mountains comprising the area are arcuate shaped and generally are convex to the south. Two primary structural frameworks are indicated in the geology of the surrounding Magruder and Palmetto Mountains. North of Nevada State Highway 266 the tectono-stratigraphic fabric is probably a part of the Antler Orogenic belt with thrusts and low angle faults emplacing Ordovician age rocks in fault contact with Proterozoic and Cambrian age rocks. South of the Palmetto Mountains at Magruder Mountain and the hills to the south the structural fabric is characterized by steeply dipping faults and open folds.
The South Lida Project sediments generally strike northeast and dip northwest and are intruded by numerous dikes. The historic prospects and surface workings at the South Lida Project primarily explored for gold and silver in the sedimentary and intrusive rocks. The rock is sometimes silicified and/or veined with open space textured quartz veins. Most typically, the goldbearing samples contain moderate to strong iron-oxide and sometimes they can also show copper staining. Argillization is common in a few of the gold-bearing samples.
Previous owners have completed detailed geologic mapping and a detailed surface geophysical-gravity program. Sirius Exploration collected 144 surface rock chip samples and 1295 soil samples.
- The sampling established the central part of the claim block as a gold-bearing area
- Geochemical results established the presence of a focused gold-bearing system
- Samples range from less than detection to 11.45 ppm gold
- 29 of the 97 rock samples in the central part of the claim block have greater than 1 ppm gold. The anomalous geochemistry is strongly correlative with the fault trends and structural fabric of the project geology
The soil geochemical anomalies appear to extend beyond the limits of the mapped, outcropping units suggesting a shallow colluvial cover and leakage along concealed faults. The data indicates that good potential could exist to discover a near surface, structurally controlled, high-grade gold deposit or potentially a large tonnage, open pittable gold deposit.
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