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TORONTO, June 16, 2021 (GLOBE NEWSWIRE) – Bunker Hill Mining Corp. (the “Company”) (CSE: BNKR, OTC: BHLL) is pleased to announce the launch of a ground geophysical survey on the extension of its claims package.
The program, scheduled for the third quarter of 2021, will be carried out in the form of a high resolution 3D IP survey method (DCIP) from Dias Geophysical Ltd using its proprietary DIAS32 survey system. The total coverage area will extend approximately 6 square kilometers (1,500 acres) to a depth of 400 meters (1,300 feet) on previously unexplored terrain immediately south and southwest of the historic underground workings, in the purpose of identifying the borehole near the surface. targets directly accessible from existing works.
Sam Ash CEO said, “The historic Bunker Hill mining work covers only 900 acres of the 5,800 acres of land. We are delighted to test the portion of the property immediately south of this work, which is not explored and has the potential to uncover significant additional mineralization.
The geophysical program will be constructed with lines drawn in a SW / NE direction, crossing perpendicular to the general orientation of prominent fault structures and zinc-dominant orebodies. The 3D nature of the survey, in combination with a common voltage referencing technique (data collected perpendicular to line orientation), will also work to image silver-dominant structures that have been mapped in a general NE / SW orientation.
Due to the narrow nature of the orebodies and veins, a 150m line spacing was chosen to be run across the entire study boundary to maintain a high resolution product. At this spacing, images should be acquired to a maximum depth of 400 m.
Image 1: Map of the limits of the planned 3D PP survey and the orientation of the PP line in relation to the historical footprint of the Bunker Hill mine and to all of the contiguous claims
Note: The towns of Kellogg and Wardner, ID are also displayed, along with adjacent mines.
Structural models identified at the Bunker Hill Mine from the site’s extensive collection of maps show numerous large lag faults that have functioned to control historically mined structures. It is possible that additional faults south of the current mine footprint repeat the mineralized sections displayed to the north.
As such, the program seeks to delineate extensions of known mineralized trends, as well as unidentified adjacent structures just south of historic mine workings. Surface mapping indicates faulty corners of the Revett and St. Regis quartzites in the study area. Historically, these units have hosted the majority of production from Bunker Hill and many other Silver Valley mines.
Deforestation and land surveying are currently underway. The 3D PP survey will be performed in conjunction with high resolution surface lidar and image collection over the entire survey boundary.
In addition to the geophysical program, geologists at Bunker Hill are working to continue the digitization of digitized geological maps specifically targeting vein systems mined in the lower parts of the mine. A total of 7 historic mining areas have been identified as areas where production has ceased due to the mine closure and remain open at depth. New geologic and sample maps were located, allowing full digitization of vein structure and placement of cuttings channel and car samples to generate grade estimates for in situ mineralization. An updated mine plan will work to extend development beyond currently planned depths, cutting the extension of the down-dip vein to bring the dominant silver-lead mineralization into the plant’s projected feed.
Image 2: long idealized section of the historic works of Bunker Hill and PEA resource limit estimated in 2021
Note: Targeted mining areas for down dip extensions are shown as either Zn mineralization or Pb-Ag mineralization. The boxes filled with gradients are estimated orientations of extensions of down-dip mineralization and do not reflect the depth or total area of the projected mineralization.
Bunker Hill remains one of the less developed mines in the Silver Valley and the prospects for the continuity of high grade silver veins beneath the current development bottom are high. The increased silver-to-lead ratio zoning pattern with depth displayed at adjacent Silver Valley mines is expected to be observed at Bunker Hill with continued down-dip development.
For more information contact: I@ bunkerhillmining.com
Certain statements contained in this press release are forward-looking and involve a number of risks and uncertainties. These forward-looking statements are within the meaning of that term in Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, as well as within the meaning of the phrase ” forward “looking information” in National Instrument 51-102 of the Canadian Securities Administrators on Continuous Disclosure Obligations. Forward-looking statements are not made up of historical facts. Forward-looking statements include estimates and statements that describe the Company’s future plans, objectives or goals, including words indicating that the Company or management expects a condition or reported result to occur. Forward-looking statements may be identified by words such as “believes”, “anticipates”, “expects”, “believes”, “may”, “could”, “would”, “will” or “will”. Because forward-looking statements are based on assumptions and deal with future events and conditions, by their very nature they involve inherent risks and uncertainties. Although these statements are based on information currently available to the Company, the Company provides no assurance that actual results will meet management’s expectations. The risks, uncertainties and other factors involved in forward-looking information could cause actual events, results, performance, prospects and opportunities to differ materially from those expressed or implied by such forward-looking information. The forward-looking information contained in this press release includes, but is not limited to: the results of the preliminary economic assessment (“PEA”) of the company; the potential for a rapid restart of the Bunker Hill mine based on the results of the PEA; the PEA representing solid financial returns; estimated capital expenditure and restart schedule; the timing of discussions with interested parties regarding the financing of the restart and the completion of ongoing technical studies; and the Company’s intentions with respect to its future objectives, goals or plans and statements. Factors that could cause actual results to differ materially from this forward-looking information include, without limitation, the risks set forth in the Company’s public documents filed on SEDAR and EDGAR. Although the Company believes that the assumptions and factors used in the preparation of forward-looking information in this press release are reasonable, one should not place undue reliance on such information, which only applies as of the date of this press release. press release, and no assurance can be given as such events will occur within the timeframe disclosed or will not occur at all. The Company disclaims any intention or obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise, except as required by law. No stock exchange, securities commission or other regulatory authority has approved or disapproved of the information contained in this document.