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Bunker Hill Announces Updated Drill Results, Including High Grade Silver-Lead Vein Extensions Outside Current Resource

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Bunker Hill Announces Updated Drill Results, Including High Grade Silver-Lead Vein Extensions Outside Current Resource

 

 

 

 

 

Bunker Hill Mining Corp. (CSE: BNKR) (OTCQB: BHLL) is pleased to provide updated drill results from its Phase II program, including intercepts from silver-lead vein extensions delineated through testing of the down-dip and off-set portions of the Jersey-Deadwood vein system on the 9-level.

 

Sam Ash, CEO of Bunker Hill Mining, stated: “These encouraging results represent mineralized extensions of previously mined structures within the upper part of the mine. These are open along strike or at depth. Combined with the ongoing compilation and re-interpretation of historic data, these results indicate some of the significant upside potential of the mine beyond its existing resource envelope.”

 

A total of 16 holes were drilled on 3 main target zones for over 3,000 ft of drilling.

 

Table 1: Significant Drill Intercepts

 

  Hole ID From
(m)
To
(m)
Length
(m)
Ag Eq
(g/t)
Ag
(g/t)
Pb
(%)
Zn
(%)
Jersey Fault Vn 7071 34.0 35.4 1.4 262.9 122 3.96 0.16
7072 11.8 12.1 0.2 1284.4 318 28.53 0.01
7073 28.9 29.0 0.1 677.9 310 10.70 0.13
7073A 26.7 26.8 0.2 3027.2 845 64.45 0.01
                 
Deadwood Flat Vn 7075 15.6 16.0 0.4 1782.8 558 36.18 0.01
“Including” 15.7 15.9 0.2 2138.9 658 43.73 0.01
7076 16.3 16.6 0.3 493.9 214 8.26 0.01
7078 11.5 11.9 0.4 426.9 119 9.08 0.01
                 
Jersey Vn 7079 35.1 36.0 0.9 249.2 69 5.31 0.01
7079 36.1 36.4 0.2 622.0 151 13.90 0.01
7081 53.7 53.9 0.2 1367.4 695 19.85 0.01

 

Ag Equivalent PPM values calculated using metals values of 20 $/Oz Troy Ag, 0.90 $/lb Pb, 1.15 $/lb Zn. Lengths are reported as drilled lengths and not true intercept widths.

 

Reported intercept widths were lower than anticipated due to poor core recovery through the mineralized zone, caused by the significant contrast in rock competency between the mineralized material and the host quartzites. Refined drilling techniques and drill bit options have been employed to improve recoveries going forward.

 

The Jersey-Deadwood zone was historically worked on three main structures: the Jersey Vein, the Jersey Fault Vein and the Deadwood Flat Vein. All three structures historically reported silver-lead dominant production and were some of the last worked stopes before mine closure. This area was chosen as a recent exploration focus due to its accessibility and the ability to drill multiple targets with limited movement of the drill rig.

 

Holes 7080-7082 were drilled to test the southern extension of the Jersey vein off-set by a fault that historically had stopped the advance of stoping on multiple floors (Image 1). The Deadwood and Jersey structures tested in this phase remain either open at depth or along strike for future exploration and development.

 

Image 1: Geologic map of the 8th floor of the 09-Level Jersey Stope showing the cross-cutting fault truncating historic stoping. Drill hole 7081 is shown with vein intercept indicating the extension of the Jersey vein south of the x-fault.

https://www.globenewswire.com/NewsRoom/AttachmentNg/a408adb2-84f3-49de-8a01-8c61b06f9f20

 

3DIP Ground Geophysical Survey

 

The Company is also progressing its previously announced high-resolution 3DIP ground geophysical survey program, with the intention of delineating additional mineralized target zones outside of the historical mine footprint. The survey is currently underway and preliminary results show a high quality of data acquisition. Covering ~1,500 acres of previously un-explored terrain, the program seeks to investigate multiple off-set segments of the Revett quartzite, known as the host lithology to most of the Coeur d’Alene district’s historic mining production. Also shown is the upper unit of the Prichard formation marking the transition from the main Prichard rocks, host to a majority of the Yreka mining district’s historical production, to middle Belt series rocks.

 

Image 2: 7.5’ USGS geologic maps for the Smelterville and Kellogg quadrangles with highlighted lithology and major faults over the 3DIP survey boundary.

https://www.globenewswire.com/NewsRoom/AttachmentNg/c2a0718c-6ba1-4559-ae12-ff64428a090b

 

Numerous large-offset faults traverse the survey area. Final data will help to further constrain the movement along these structures and aid in locating potential mineralization associated with the structures themselves. Surveying to a depth of ~400m, program results will allow for the development of future exploration programs, both on surface and from previously developed underground workings.

 

Results from the program are expected in the fourth quarter of 2021.

 

TECHNICAL INFORMATION

 

The diamond drilling program used HQ-size core. Bunker Hill followed standard QA/QC practices to ensure the integrity of the core and sample preparation through delivery of the samples to the assay lab. Drill hole collar locations were surveyed using modern survey techniques to provide positioning of each sample in three-dimensional space. The drill core was stored in a secure facility, photographed, logged, split into halves (upon geologist discretion), and sampled based on lithologic and mineralogical interpretations. Standards of certified reference materials, field duplicates and blanks were inserted as samples shipped with the core samples to the lab.

 

ALS USA Inc (ALS) was used to provide analytical services and all results comply with both NI 43-101 and industry standards. ALS holds an industry standard ISO 17025:2017 (Vancouver) and ISO 17025:2005 (Reno) accreditation, specifying general requirements for laboratory performance.

 

QUALIFIED PERSON

 

Mr. Scott E. Wilson, CPG, President of Resource Development Associates Inc. and a consultant to the Company, is an Independent “Qualified Person” as defined by NI 43-101 and is acting at the Qualified Person for the Company. He has reviewed and approved the technical information summarized in this news release.

 

ABOUT BUNKER HILL MINING CORP.

 

Under new Idaho-based leadership the Bunker Hill Mining Corp, intends to sustainably restart and develop the Bunker Hill Mine as the first step in consolidating a portfolio of North American precious-metal assets with a focus on silver. Information about the Company is available on its website, www.bunkerhillmining.com, or within the SEDAR and EDGAR databases.

 

Posted August 23, 2021

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