North Bay Resources Makes Significant Gold Shipment Progress
Overview of North Bay Resources' Recent Shipment
Bishop, California — North Bay Resources, Inc. (the “Company” or “North Bay”) (OTC: NBRI) has successfully completed a test shipment of gold concentrate weighing 327 lbs., with a noteworthy grade of 14.2 ounces per ton. This shipment was made to Just Refiners in Reno, NV and represents a significant milestone for the Company, stemming from their efforts to optimize the Bishop Gold Mill. In recent ore runs from the Fran Gold Property, the Company estimated recovery of about 2.44 troy ounces from approximately 10 tons of ore, reflecting a recovered grade of 0.24 ounces per ton for the processed material. An additional 0.1 ounce of gold remains at the Mill, awaiting processing.
Gold Recovery Progress and Optimizations
As part of its continuous improvement program, North Bay Resources has made significant strides in optimizing its gold recovery processes:
- The centrifuge grade has seen improvements, rising from an initial 0.5 ounces per ton to an impressive 19 ounces per ton, averaging at 13 ounces per ton.
- A double pass centrifuge grade has achieved an outstanding 45 ounces per ton.
- Optimization efforts in the gravity circuit have proven successful, particularly in adjusting grind size and classification—factors like residence time in the ball mill and water flow play a crucial role in achieving targeted results. It is anticipated that these efforts will enhance overall recovery by up to 17%.
- The current implementation of the flotation circuit aims to capture very fine gold (-200 mesh) and additional gold present in quartz that previous methods failed to recover. This addition is projected to raise overall recovery by up to 30%.
- Notably, the scavenger recovery at the Diester Table has jumped from 0.2 ounces per ton to 5.2 ounces per ton, showcasing the effectiveness of the Company’s upgrading processes.
Cumulative Shipment Data
The shipments from the Bishop Gold Mill have yielded promising assay results. Sampling results aggregated from different methods reflect a detailed analysis as follows:
Composite Shipment Assays:
| DESCRIPTION | Au oz / ton | lbs. | Au oz |
|---|---|---|---|
| Centrifuge #2 | 10.45 | 56 | 0.29 |
| Centrifuge #3 | 18.78 | 34 | 0.32 |
| Table #3 | 5.23 | 87 | 0.23 |
| Centrifuge #1 - 2x Upgrade | 45.67 | 65 | 1.48 |
| Table #1 w/Centrifuge Upgrade | 2.63 | 85 | 0.11 |
| Total | 327 | 2.44 |
Insights on the Fran Gold Project
The Fran Gold Property encompasses 34,360 acres of potential mineral wealth, located conveniently near significant mining operations. Over 50,000 feet of diamond drilling across 104 holes has identified a considerable gold deposit, measuring 3,700 feet in length and containing well-defined gold veins that could yield impressive grades of up to 2.6 troy ounces of gold per ton.
Surface trenching has indicated that gold-bearing veins are present at near-surface levels, indicating promising accessibility. Sampling tests have also revealed copper content as high as 1.68% and silver up to 5.1 troy ounces per ton, revealing the potential for multi-metal recovery opportunities on the property.
With shipping costs targeted to reduce substantially due to a new railway siding set to open soon, the Company anticipates that these changes will improve logistics and reduce costs significantly. At present, an estimated 5,000 tons of surface material is available for export.
In conclusion, the advancements in processing technology, combined with the promising data from the Fran Gold Property, paint a positive picture for North Bay Resources as they move forward in their mining endeavors.
On behalf of the Board of Directors of North Bay Resources Inc.,
Jared Lazerson
CEO
Frequently Asked Questions
What recent developments has North Bay Resources reported?
North Bay Resources announced a successful shipment of gold concentrate, indicating advancements in their processing capabilities.
What is the significance of the gold concentrate shipment?
The shipment reflects improvements in the recovery processes at the Bishop Gold Mill, showcasing the potential for increased gold recovery rates.
How does the Fran Gold Project factor into North Bay's operations?
The Fran Gold Project, with its substantial acreage and promising drilling results, represents a key asset for potential mineral extraction.
What recovery rates for gold have been achieved by the Company?
Current recovery estimates range around 50%, with projections for significant increases through ongoing optimizations.
How will shipping processes change in the near future?
The introduction of a new railway siding is expected to decrease shipping costs and improve logistical operations for North Bay Resources.
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