The Lost World Target

System Type:

Epithermal, high-grade, banded, quartz veining, with scattered breccias and stockwork veining. 

Strike-Length:

Lost World is predominatly a covered target with a thin veneer of colluvium (gravel) however the target is dominated by high-grade float samples which are found along the hillsides above the Gold Springs Wash and are spread over an area of 1,200 x 180 metres. 

Resource: 

None at this time

Location:

The Lost World target lies on the Nevada side of the Gold Springs project and is situated 400 metres east of the Midnight target ecompassing the hillsides and side drainages along the Gold Springs Wash which is a major structrual zone. 

Drilling:

None to date.

Geophysics:

The Lost World target is located along the western edge of a large +5-kilometre-long, north-south trending high resistivity anomaly identified with the airborne ZTEM geophysical survey, which encompasses the Camp Bell, Thor, and North Jennie target areas. Immediately south of the Lost World target is a well-defined ZTEM resistivity high anomaly situated on the same trend. No target has been defined in this area due to complete cover by post-mineral colluvium (gravel).  It is believed that this resistivity high could be an extension of the Lost World target (see map below).

Geology:

The Lost World target is dominantly covered by colluvium with a few outcrop showings. Many high-grade samples have been collected by the Company from float and rare outcroppings consisting of veins, breccia and stockwork.  These gold barring samples range up to 21.38 g/t gold with 64 g/t silver. Shallow prospecting pits are found and contain mixtures of colluvium, stockwork, and breccia rubble returning gold values up to 0.95 g/t. The target is defined by the intersection of east-west faulting, which can be traced from exposures on the Midnight target, with the major north-south Gold Springs fault. This structural configuration is positive for gold deposition and is further supported by concentrations of veins and brecciated andesite float along the east-west structures. The mineralization float, the structural setting, and the target dimensions are compelling for the quality of the Lost World target.

Structural Geology:

The Lost World target is centered on the major Gold Springs wash. This structural corridor can be traced northeast to the North Jumbo resource area. Numerous east-west structures mapped on the Midnight target can be projected into the Gold Springs wash where they intersect that structural zone, and hence the Lost World target (see map above). This creates areas of positive structural preparation for gold deposition. It is believed that the high-grade float samples at Lost World are locally derived and controlled by this structural setting.

Historical Mining:

There are a few small historical prospect pits within the Lost World target area. 

Geochemistry:

Many high-grade samples have been collected by the Company from float and rare outcroppings consisting of veins, breccia and stockwork.  These gold barring samples range up to 21.38 g/t gold with 64 g/t silver and extend over an area of 1,200 x 180 metres. Recent mapping and surface sampling have produced the following results returning values > 0.25 g/t Au. Previous sample results obtained by the Company are also presented below: 

Table: Recent Rock Chip Sampling Results from Lost World:

Sample

Company

Sample Type

Target

Description

Au g/t

Ag g/t

225214

GRC

Float 3x2m area

Lost World

Hydrothermal breccia with silicified andesite clast and banded quartz vein fragments

4.43 18.1
225219

GRC

Float boulder

Lost World

Hydrothermal breccia

0.53

2.6

225221 GRC Float boulder Lost World Hydrothermal breccia with white quartz cement 0.3 1.3
225226 GRC Float boulder Lost World Banded and bladed quartz vein 0.45 7.5
225229 GRC Float boulder Lost World Quartz vein 0.49 17
225230 GRC Float boulder Lost World Banded and bladed quartz vein 2.51 34

A cutoff grade of 0.25 g/t Au was used for GRC’s samples, which is the cutoff grade for the nearby South Jumbo resource

 

Table: Previous Rock Chip Sampling Results from Lost World:

Sample

Company

Sample Type

Target

Description

Au g/t

Ag g/t

6380

GRC

Float

Lost World

Tuff breccia with quartz vein fragments

1.32 65.8
6369

GRC

Float 

Lost World

Silicified rhyolite with stockwork veins and breccia

0.30

6

6355 GRC Outcrop Lost World Breccia and quartz veins 0.95 5.4
6355 GRC Float  Lost World Quartz adularia vein 1.25 15.7
33438 GRC Float  Lost World Quartz adularia vein 0.54 1.9
33442 GRC Float Lost World Quartz adularia vein 2.36 11.2
33443 GRC Float  Lost World Quartz adularia vein with stockwork veining 0.98 2.6
33445 GRC Float Lost World Quartz adularia vein 8.98 78.7
33448 GRC Float Lost World Quartz adularia vein 1.23 13.3
33450 GRC Float Lost World Quartz adularia vein 2.06 12.8
33451 GRC Float Lost World Quartz adularia vein 2.35 13.6
33452 GRC Float Lost World Quartz adularia vein 0.70 30.5
33456 GRC Float Lost World Quartz adularia vein 1.98 10.7
33458 GRC Float Lost World Quartz adularia vein 6.48 27.2
33901 GRC Float Lost World Quartz vein with bladed textures 21.39 64
33902 GRC Float Lost World Quartz calcite vein 0.64 27.6

A cutoff grade of 0.25 g/t Au was used for GRC’s samples, which is the cutoff grade for the nearby South Jumbo resource

 

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