Regional Geologic Context
The Bull Creek exploration property is located in a region of long-lived tectonic, magmatic, and hydrothermal activity. The distribution and characteristics of tectonism, magmatism, volcanism, structure, alteration and mineralization at a regional scale show that mineralization at Bull Creek will likely be: (1) associated with the beginning of normal Basin and Range extension; (2) spatially related to 17.0 to 15.5Ma and perhaps 4.0Ma bimodal basalt-rhyolite volcanic centers; and (3) oriented along deep-seated, N-S regional magnetic trends paralleling the West, Central and Eastern Northern Nevada Rift Zones. At a district scale, undiscovered mineralization will likely be related to poorly-exposed Tertiary volcanic centers, located off-board the exposed mountain ranges and covered by post-mineral volcanic rocks and alluvium.
Geologic mapping of exposed range fronts adjacent to the Bull Creek property has identified altered, brecciated, and silicified quartz-feldspar porphyry rhyolite that reported enrichment in gold, arsenic, and potassium indicative of a Sleeper-style hydrothermal system. The small range front exposure provides direct evidence that potential Sleeper-style host rock, alteration and mineralization may be located a short distance to the east beneath the cover of sand and gravel on the Bull Creek property.
Adjacent Properties:
- 40 km (25 miles) southwest of the Sleeper mining district being explored and developed by Paramount Gold and Silver Corp (NYSE:PZG) (combined past production and resource: 3,400,000 oz Au & 14,300,000 oz Ag)
- 32 km (20 miles) west-northwest of the Sandman Deposit, which is under active exploration by Newmont (NYSE:NEM) through an agreement with Fronteer Gold Inc. (TSX:FRG) (310,000 oz Au resource)
- 40 km (25 miles) northeast of the Hycroft mining district, which is actively being mined by Allied Nevada Gold Corp. (TSX:ANV) (combined past production and resource: 14,500,000 oz Au & 432,000,000 oz Ag)
- 43 km (27 miles) north-northeast of the Rosebud mining district, which is under active exploration by Harvest Gold Corp. (TSX-V:HVG) (combined past production and resource: 640,000 oz Au & 4,430,000 oz Ag)
- 64 km (40 miles) north-northwest of the Florida Canyon mining district, which is actively being mined by Jipangu (past production: 2,000,000 oz Au)
