Precious Metals Stock News - Blackrock (TSXV: BRC) Drills 6,526 g/t AgEq over 0.91m Within 1.52m Grading 3,942 g/t AgEq and Steps Out to West and South at Tonopah West
Vancouver, British Columbia - October 18, 2022 (Newsfile Corp.) (Investorideas.com Newswire) Blackrock Silver Corp. (TSXV: BRC) (the "Company" or "Blackrock") is pleased to announce drill results from the Company's ongoing step-out and in-fill drilling programs on its 100% controlled Tonopah West project located in West Central Nevada along the Walker Lane trend.
These results demonstrate continued expansion of the key known mineralized structure on the project, the Denver vein system (also known as "Victor"), by an additional 600 metres to the Northwest, which has now grown to over 3 kilometres of drill-defined strike, and is projected to remain open to the west. In addition, assays have encountered a substantial new zone of mineralization to the south, including our highest-grade and shallowest intercept at the project to date.
- Core hole TXC22-057 has delivered the highest-grade intercept at the project to date, intersecting 0.91 metres of 37.86 g/t Au and 2,740 g/t Ag or 6,526.7 g/t AgEq within 1.52 metres grading 22.88 g/t Au and 1,654.1 g/t Ag or 3,942.2 g/t AgEq starting at 191.42 metres down-hole in the New Discovery area along the southern edge of the DPB resource area (AgEq_= Ag_g/t + Au_g/t*100).;
- RC hole TW22-118 intersected 1.52 metres of the Denver vein grading 1.70 grams per tonne ("g/t") gold ("Au") and 0.1 g/t silver ("Ag") or 171 g/t silver equivalent ("AgEq") a full 1.6 kilometres northwest of the DPB resource area. A follow-up core drillhole is planned to target for higher-grades at a more favourable elevation;
- Drilling continues to expand the mineralized footprint well beyond the April 2022 resource boundary and remains open to the south, northwest, and at depth; and
- Two drill rigs are operating at site and assays for 10 drillholes are pending at this time.
Andrew Pollard, Blackrock's President and CEO, stated, "With two drill rigs at site, the latest assays from our ongoing 25,000 metre programme have materially expanded the footprint of known mineralization at the project, both to the northwest and to the south, delivering what is our highest-grade and shallowest intercept to date for the project in a new and quickly developing target area. The Denver vein system, which includes Victor, continues to show significant resource expansion potential, as step-out drilling has now tracked it an additional 1.6 kilometres to the northwest beyond the DPB resource area, with a further 500 metre step-out planned as part of this programme. Our exploration model, of which continues to be validated, indicates that this structure remains wide open to the west, where we have an additional 1600 metres of strike potential to our consolidated Tonopah property boundary. It's clear that the project also has very deep roots and it remains open at depth as we've yet to find the bottom of the mineralized system."
Northwest Step Out Target
Drillholes TXC22-051 through -053 and TXC22-055 were completed in the Northwest Step Out target area. Drillhole TXC22-052 is 1,000 metres northwest of the DPB resource area and returned 4.6 metres grading 211 g/t AgEq beneath the Mizpah Andesite.
Data compilation in the Northwest Step Out target shows that drillhole TW22-118 encountered a mineralized structure and returned 170 g/t AgEq over 1.52 metres within the Mizpah Andesite; however, the drillhole terminated above the projected pay zone. TW22-118 is an additional 600 metres west of TXC22-052. Drillhole TW22-117 is 500 metres west of TW22-118. The drillhole encountered the Mizpah Andesite, but was called at 762 metres; thus not testing the mineralized structure beneath the Mizpah.
TXC22-055 was drilled to test the vein structure beneath the Mizpah andesite; however, the drillhole encountered a fault which off set the vein farther to the north. No significant assays were returned, but a better understanding of the cross structure was obtained from the drill information which will help to guide future drilling.
Blackrock's property boundary extends an additional 1,600 metres west of TW22-117. From the DPB resource area to the edge of the Company's property boundary, drilling suggests major potential along a 3,700-metre corridor immediately beneath the Mizpah Andesite. The vein system is in a similar stratigraphic position as the Denver vein drilled in the Victor and DPB resource areas. The known strike of the Denver is 1,300 metres drilled in the Victor (500 m) and DPB (800m) resource areas. The Northwest Step shows an additional 3,700 metres of potential along the Denver vein system bringing the total to 5,000 metres of potential high-grade silver and gold on the Tonopah West project (See figure 1). Assay are pending from two core holes, and an additional five pre-collars are complete awaiting core tails.
New Discovery Target
Drilling in the New Discovery target was designed to follow up on Coeur Mining's 2018 drilling where drillhole TW18-004 encountered a 4.5 metre zone grading 4.933 g/t Au, 337 g/t Ag or 830 g/t AgEq.
Core holes TXC22-056, -057, -058, -059 and TXC22-060 were completed in the target area. Core hole TXC22-057 returned one of the highest grade gold and silver intercepts from the project with over one ounce of gold (37.8 g/t Au) and 2.7 kilograms of silver reported over a 0.91 metre interval. Drillholes TXC22-058, -59 and TXC22-060 all returned significant precious metal assays from the target. Expansion potential is evident, and additional drilling is highly warranted.
Five core holes were completed in the Victor target to test down-dip extensions and footwall vein structures. The drillholes encountered vein material and all assays are currently pending.
Four core drillholes are complete in the DPB area and an additional four are awaiting core tails. Core hole TXC22-054 was drilled to test step-out mineralization encountered in previous drilling (TW21-110). The core hole crossed a north-northwest fault which is believed to be the same structure encountered in TXC22-055. The fault appears to offset mineralization to the north on the west side of the fault. Based on the interpretation of the faults. The DPB area appears to be within a graben bounded on the east and west by north-northwest oriented faults.
The Company is using this new information to help guide continuing exploration of the Tonopah West property and the Tonopah district.
Quality Assurance/ Quality Control
All sampling is conducted under the supervision of the Company's project geologists, and a strict chain of custody from the project to the sample preparation facility is implemented and monitored. The reverse circulation samples are hauled from the project site to a secure and fenced facility in Tonopah, Nevada, where they are loaded on to American Assay Laboratory's (AAL) flat-bed truck and delivered to AAL's facility in Sparks, Nevada. A sample submittal sheet is delivered to AAL personnel who organize and process the sample intervals pursuant to the Company's instructions.
The reverse circulation, and QA/QC samples are crushed and pulverized, then the pulverized material is digested and analyzed for Au using fire assay fusion and an Induced Coupled Plasma (ICP) finish on a 30-gram assay split. Silver is determined using five-acid digestion and ICP analysis. Over limits for gold and silver are determined using a gravimetric finish. Data verification of the assay and analytical results are completed to ensure accurate and verifiable results. Blackrock personnel insert a blind prep blank, lab blank or a certified standard approximately every 15th to 20th sample.
Blackrock's exploration activities at the Tonopah North and Tonopah West projects are conducted and supervised by Mr. William Howald, Executive Chairman of Blackrock. Mr. William Howald, AIPG Certified Professional Geologist #11041, is a Qualified Person as defined under National Instrument 43-101. He has reviewed and approved the contents of this news release.
About Blackrock Silver Corp.
Blackrock is a junior precious metals focused exploration company that is on a quest to make an economic discovery. Anchored by a seasoned Board, the Company is focused on its Nevada portfolio of properties consisting of low-sulphidation epithermal gold & silver projects located along the established Northern Nevada Rift in north-central Nevada and the Walker Lane trend in western Nevada.
For further information, please contact:
Andrew Pollard, President & CEO
Blackrock Silver Corp.
Phone: 604 817-6044
Forward Looking Statements
This news release contains "forward-looking statements" within the meaning of Canadian securities legislation. Such forward-looking statements concern the Company's strategic plans, the maiden resource estimate on the Tonopah West project, timing and expectations for the Company's exploration and drilling programs, estimates of mineralization from drilling, geological information projected from sampling results and the potential quantities and grades of the target zones. Such forward-looking statements or information are based on a number of assumptions, which may prove to be incorrect. Assumptions have been made regarding, among other things: conditions in general economic and financial markets; accuracy of assay results; geological interpretations from drilling results, timing and amount of capital expenditures; performance of available laboratory and other related services; future operating costs; and the historical basis for current estimates of potential quantities and grades of target zones. The actual results could differ materially from those anticipated in these forward-looking statements as a result of risk factors, including the ability of the Company to make payments related to the lease option to purchase the Tonopah West project; the timing and content of work programs; results of exploration activities and development of mineral properties; the interpretation and uncertainties of drilling results and other geological data; receipt, maintenance and security of permits and mineral property titles; environmental and other regulatory risks; project costs overruns or unanticipated costs and expenses; availability of funds; failure to delineate potential quantities and grades of the target zones based on historical data, and general market and industry conditions. Forward-looking statements are based on the expectations and opinions of the Company's management on the date the statements are made. The assumptions used in the preparation of such statements, although considered reasonable at the time of preparation, may prove to be imprecise and, as such, readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date the statements were made. The Company undertakes no obligation to update or revise any forward-looking statements included in this news release if these beliefs, estimates and opinions or other circumstances should change, except as otherwise required by applicable law.
Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.
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