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- Additional gossanous breccia and jasperoidal alteration trends identified
- Widespread jasperoidal, gossan and breccia development underscores scale of hydrothermal activity
- Further 310 rock chip samples collected across Bald Peaks
- Mapping, rock chip and soil sampling now commenced at Ruby Lake
Bison Resources (ASX: BSR) has identified early potential in its maiden field exploration program across its portfolio of four projects in Elko County, northeast Nevada, USA.
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“The Bison team are increasingly encouraged by the scale of the system emerging at Bald Peaks,” CEO, Tim Mackellar, said.
“Widespread alteration and brecciation, together with the previously identified geochemical anomalism, provide multiple indicators consistent with the Carlin-type system we are targeting.
“With assays and geophysical interpretation now progressing, the next step is to integrate the datasets and rank targets for maiden drilling.”
The Nevada projects – Ruby Lake, Cherry Springs, Bald Peaks and Medicine Range – collectively comprise 312 unpatented lode mining claims covering approximately 26.1 sq. km, situated approximately 80km southeast of the city of Elko within the prolific Carlin Trend.
The Carlin Trend is a world-class gold district and the company is targeting carbonate-hosted precious metal deposits sharing similar geology and structural settings to major gold-silver deposits in the region.
Bald Peaks is located directly adjacent to Torex Gold Resources’ high-grade Medicine Springs silver project, and proximal to Sun Silver’s (ASX: SS1) 539 million ounces silver equivalent Maverick project.
The company believes that Bald Peaks is a similar geological and structural setting to the Maverick silver project.
Bison is undertaking maiden field campaigns across all four projects, including geological mapping, rock chip sampling, soil sampling and geophysical surveys to delineate key targets for future drill testing. No known previous exploration has been undertaken across the projects, despite the tier-one location within the Carlin Trend.
As part of the initial reconnaissance, the field team visited key spectral anomalies to collect rock chip samples to determine the alteration style associated with each of the spectral anomalies. Results of this work defined a strong >1.5km anomalous arsenic-antimony surface geochemical anomaly with coincident mercury and sulphur at the centre of the project, indicative of the Carlin-type mineral system that is being targeted.
Follow-up mapping, rock chip and soil sampling has now been completed, spanning the entire project area, with an additional 310 rock chip samples and 590 soil samples collected.
Processing of newly acquired magnetic survey data is underway, with inversion modelling and litho‐structural interpretation scheduled to refine understanding of the depth and geometry of emerging anomalies.
Outputs from this work are expected in early September and will be integrated with surface geochemical and mapping datasets to advance the geological model. Bison will then undertake target ranking to define drillhole locations ahead of maiden drilling.
BSR was steady at 38.0¢ with a Mkt cap of $25.17M prior to markets opening.
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