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Silver Bear Resources Inc.

Publié le 16 juin 2014

Silver Bear Resources Inc.: Silver Metallurgical Recoveries Range From 88% to 93% in Preliminary Testing

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Silver Bear Resources Inc.: Silver Metallurgical Recoveries Range From 88% to 93% in Preliminary Testing

TORONTO, ONTARIO--(Marketwired - Jun 16, 2014) - Silver Bear Resources Inc. ("Silver Bear" or the "Company") (SBR.TO) has completed primary leach optimisation tests on milled ore from its 100% owned Vertikalny Deposit in Yakutia in the Russian Federation.

Highlights of the milled ore sample results are listed in Table 1 below. Testing was carried out from 400 kilograms of drill core extracted from the Vertikalny deposit. The head assay ranged from 1020 grams/tonne of silver to 1150 grams/tonne of silver with an average of 1112.5 grams/tonne of silver. Silver was recovered following gravity concentration of Silver and Cyanide leaching of Silver in the gravity tailing. A silver recovery of 88.3% was achieved with a practical leach retention time of 72 hours. A silver recovery of 93.3% was achieved at a leach retention time of 144 hours, indicating potential for further optimisation. Samples were tested at various concentrations of Sodium Cyanide solution (NaCN) and various time frames as shown. Testing was conducted at SGS Metallurgical & Geochemical Laboratory in Chita, Russia.

Mark Trevisiol, President and CEO of Silver Bear, commented, "This represents another positive step for our silver project. Having a high grade silver deposit with open pit access for mining, combined with metal recoveries as demonstrated, solidifies the strong economics in our Preliminary Economic Assessment released earlier this year. We will use these very encouraging results to complete further testing to optimize our processing plant design as we move to full feasibility."

Table 1 - Metallurgical Test Results

Test Ag Recovery, % Test Time (hours) Cyanide Concentration (g/L)
Diagnostic Leach Test 89.6 Not Applicable Not Applicable
Gravity Concentration & leach test 89.2 72 5
Gravity Concentration & leach test 88.3 72 2
Gravity Concentration & leach test 93.30 144 2
Gravity Concentration & leach test 81.8 96 1
*Notes: All samples were crushed to 0.075 mm passing 80%.

Silver Bear has a National Instrument 43-101 ("NI 43-101") compliant resource estimate on its Vertikalny Deposit (Table 2) and a mining licence on the Deposit to the year 2033. The Deposit is contained within the Mangazeisky exploration property of which Silver Bear holds an exploration licence.

Table 2 -Estimated Mineral Resources Prepared In Accordance With NI 43-101

Area Cut-Off
Grade (g/t)
Indicated Inferred
Tonnes
(Mt)
Ag
(g/t)
Ag
(Moz)
Tonnes
(Mt)
Ag
(g/t)
Ag
(Moz)
Vertikalny Deposit, Central Zone 180 1.1 518 17.9 1.1 649 23.8
Vertikalny Deposit, Northwest Zone 180 0 0 0 0.5 379 6.6
Nizhny Endybal Deposit 75 0 0 0 3.2 133 13.5
Total - 1.1 518 17.9 4.8 282 43.9
  • Notes: Mineral resources that are not mineral reserves do not have demonstrated economic viability. Due to the uncertainty of measured, indicated or inferred mineral resources, these mineral resources may never be upgraded to proven and probable mineral reserves. Mr.Rob Davies, CGeol.,EurGeol.,PMP Eur.Ing. of Tetra Tech, is an independent qualified person pursuant to NI 43-101 who has verified the mineral resource estimates originally signed-off in 2011 and 2013 as current. The mineral resource estimates are disclosed above in Table 2. Cut-off grades for the Vertikalny resource and Nizhny Endybal resource are 180 g/t Ag and 75 g/t Ag respectively. Other notes:
    • Vertikalny - to be operatied initially as open pit then an underground mine with 1.2 m minimum mining width, in-situ density of 3.45 t/m3 for mineralized material, long term Silver price of $22.74/ounce Ag. The effective date of the estimated Vertikalny mineral resource is February 23, 2011.
    • Nizhny Endybal - to be operated by open pit methods, in-situ density of 2.9 t/m3 for mineralized material, long term silver price of $22.0/oz. The effective date of Nizhny Endybal estimated mineral resource is September 20, 2012.
    • Mineral resources may be subject to legal, political, environmental, social and other risks that may significantly affect the potential development of the mineral resources. See Cautionary Notes set out below.
    • Please refer to the technical report titled "Technical Report on the Mangazeisky Property" dated February 15, 2013 prepared by Andy Carter, B.Sc., C.Eng., MIMM, MASIMM, SME, Paul Gribble, FIMMM, C.Eng., Paul Daigle, P. Geo. and Jonathan Gideon, C. Eng. FIMMM the "Mangazeisky Technical Report", filed under the Company's profile on SEDAR.
    • For additional information pertaining to the results of the Company's preliminary economic assessment, readers should also refer to the PEA, titled "Preliminary Economic Assessment on the Mangazeisky Silver Project, Russia" dated February 27, 2014 prepared by Jacques du Toit, Pr.Eng., MSc.Eng., PMP, Robert Davies, B.Sc. (Hons), CGeol., EurGeol., PMP Eur.Ing. Andrew Carter, C.Eng., MIMMM, MSAIMM, SME, Anton von Wielligh, B.Eng. (Hons), Pr.Eng. ECSA, SAIMM, Michael McLaughlin, P.Eng. and Laszlo Bodi, P.Eng. (the "PEA"), which is discussed in the Company's Annual Information Form and available under the Company's profile on SEDAR.

Silver Bear Resources Inc.

The primary business of the Company is the evaluation, acquisition, exploration and development of silver properties in the Russian Federation. The Company's principal focus is the Mangazeisky exploration lease and the Vertikalny Deposit, over which Silver Bear has exclusive exploration/mining rights. It is located approximately 400 kilometres north of Yakutsk in the Republic of Sakha, Yakutia in the Russian Federation.

Silver Bear Resources Inc. is listed on the Toronto Stock Exchange and its common shares trade under the ticker symbol "SBR". Silver Bear has 119,456,550 issued and outstanding common shares. Other information relating to Silver Bear is available on SEDAR at www.sedar.com as well as on the Company's website at www.silverbearresources.com.

Qualified Person

The metallurgical leaching tests were performed at SGS Metallurgical & Geochemical Laboratory in Chita, Russia. The Chita Lab is accredited under Certificate POCCRU.001.214U28, August 2, 2011. The tests have been reviewed and approved by Andy Carter C Eng., MIMMM of Tetra Tech and the work has been completed under the supervision of Mike Hallewell C Eng., FIMMM, FSAIMM, FMES, of SGS Labs, both individuals are independent of Silver Bear and are qualified persons under NI 43-101 standards. Mark Trevisiol P.Eng, President and CEO of Silver Bear is a qualified person under National Instrument 43-101 and has reviewed and approved the scientific and technical information in this press release. As the President and CEO of Silver Bear, Mr. Trevisiol is not considered independent.

Cautionary Notes

The preliminary economic assessment ("PEA") is based on a number of assumptions that may be changed in the future as additional information becomes available. Mineral resources that are not mineral reserves do not have demonstrated economic viability. The PEA includes inferred mineral resources that are considered too speculative geologically to have the economic considerations applied to them that would enable them to be categorized as mineral reserves, and there is no certainty that the PEA will be realized.

This release and subsequent oral statements made by and on behalf of the Company may contain forward-looking statements, which reflect management's expectations. Wherever possible, words such as "intends", "expects", "scheduled", "estimates", "anticipates", "believes" and similar expressions or statements that certain actions, events or results "may", "could", "would", "might" or "will" be taken, occur or be achieved, have been used to identify these forward-looking statements. Without limitation to the foregoing, the following are forward looking statements: the metallurgical recoveries from the primary leach optimisation tests, the PEA, including without limitation projected initial capital, sustaining costs, IRR, NPV, average grade processed, mining rate, expected mine life, expected construction period, mineral resources and pay back period. Although the forward-looking statements contained in this release reflect management's current beliefs based upon information currently available to management and based upon what management believes to be reasonable assumptions, Silver Bear cannot be certain that actual results will be consistent with these forward-looking statements. A number of factors could cause events and achievements to differ materially from the results expressed or implied in the forward-looking statements. Such risks factors include but are not limited to uncertainties inherent to preliminary economic assessments, which are based on many assumptions that might not be realized, risks with respect to operating in Russia, downward fluctuations in silver prices, regulatory risks, including with respect to obtaining all required permits, corruption and other risks factors identified by Silver Bear in its continuous disclosure filings filed from time to time on SEDAR. These factors should be considered carefully and prospective investors should not place undue reliance on the forward-looking statements. Forward-looking statements necessarily involve significant known and unknown risks, assumptions and uncertainties that may cause Silver Bear's actual results, events, prospects and opportunities to differ materially from those expressed or implied by such forward-looking statements.

Although Silver Bear has attempted to identify important risks and factors that could cause actual actions, events or results to differ materially from those described in forward-looking statements, there may be other factors and risks that cause actions, events or results not to be as anticipated, estimated or intended. There can be no assurance that forward-looking statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, prospective investors should not place undue reliance on forward-looking statements. These forward-looking statements are made as of the date of this release, and Silver Bear assumes no obligation to update or revise them to reflect new events or circumstances, unless otherwise required by law.

For further details, please visit www.silverbearresources.com

Lire la suite de l'article sur finance.yahoo.com

Silver Bear Resources Inc.

EXPLORATEUR
CODE : SBR.TO
ISIN : CA82735N1096
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Silver Bear Res. est une société développant des projet miniers d'argent basée au Canada.

Son principal projet en exploration est MANGAZEISKY in Russia.

Silver Bear Res. est cotée au Canada. Sa capitalisation boursière aujourd'hui est 8,1 millions CA$ (6,5 millions US$, 5,9 millions €).

La valeur de son action a atteint son plus haut niveau récent le 28 décembre 2007 à 3,50 CA$, et son plus bas niveau récent le 15 janvier 2016 à 0,02 CA$.

Silver Bear Res. possède 162 930 000 actions en circulation.

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Rapports annuels de Silver Bear Resources Inc.
2007 Annual Report
Financements de Silver Bear Resources Inc.
17/10/2013Announces Close of First Tranche of Private Placement Financ...
17/07/2012Announces Close of Final Tranche of Private Placement Financ...
08/06/2012Announces Close of First Tranche of Private Placement Financ...
19/03/2012Announces Closing of the Private Placement With Tabac Ventur...
14/03/2012Announces Private Placement Financing With a Strategic Inves...
Nominations de Silver Bear Resources Inc.
17/06/2013Announces Election of Directors
11/03/2013Welcomes Robin Birchall as Executive Chair and Member of Boa...
Rapports Financiers de Silver Bear Resources Inc.
31/03/2015Announces the Filing of its Financial Results for the Year E...
16/05/2012Provides Operational Update and Announces First Quarter 2012...
29/03/2011Announces 2010 Year End Results and Updates Mineral Resource...
Projets de Silver Bear Resources Inc.
21/12/2011(Mangazeisky)Achieves Significant Milestone With Exploration License Exte...
Communiqués de Presse de Silver Bear Resources Inc.
05/07/2016Silver Bear Files Technical Report On The Mangazeisky Silver...
09/06/2016Silver Bear Announces Completion Of Positive Feasibility Stu...
28/04/2016Silver Bear Announces Entering Into Non-Binding Term Sheet f...
13/04/2016Silver Bear Announces Mineral Resource Update for Mangazeisk...
30/03/2016Silver Bear Completes a Private Placement Financing of US$20...
18/12/2015TSX Delisting Review - Silver Bear Resources Inc. (Symbol: S...
08/10/2015Silver Bear Agrees to a Private Placement Financing of C$11....
08/10/2015IIROC Trade Resumption - SBR
08/10/2015IIROC Trading Halt - SBR
28/09/2015Silver Bear Orders Additional Long Lead Time Equipment and A...
20/07/2015Silver Bear Announces AGM Results and Forthcoming Chairman C...
16/07/2015Silver Bear Places Purchase Order for Ball Mill
29/06/2015Silver Bear Announces Extension to Promissory Note Loans
14/04/2015Silver Bear Files Technical Report on the Mangazeisky Silver...
13/04/2015(Mangazeisky)Files Technical Report on the Mangazeisky Silver Project Upd...
13/04/2015Silver Bear Files Technical Report on the Mangazeisky Silver...
31/03/2015Silver Bear Announces the Filing of its Financial Results fo...
02/03/2015Silver Bear Enters into US$7,000,000 Promissory Notes
26/02/2015Silver Bear Resources Announces Updated Mineral Resource Est...
05/02/2015Silver Bear Provides Corporate Update
18/11/2014Silver Bear Appoints Graham Hill as CEO
30/07/2014Silver Bear Announces AGM Results
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21/05/2014Silver Bear Closes First Tranche of Private Placement Financ...
07/10/2013Announces Private Placement Financing of Up to CAD $4.25 Mil...
18/09/2013Enters Into CAD $1 Million Promissory Notes
03/09/2013Mining License Issued to Silver Bear
13/05/2013Announces Private Placement Financing of up to CAD $3 Millio...
15/01/2013Airborne Geophysics Supports Origins of Surface Gold Veins N...
09/01/2013Four Year Licence Extension Issued to Silver Bear
20/09/2012(Mangazeisky)Expands Inferred Silver Resource by 13.5 Million Ounces of S...
06/09/2012Metallurgical Test Hole Delivers 29 Meters of 1,960 g/t Silv...
14/08/2012Receives Certificate of First Discovery From Russian Authori...
08/08/2012Intersects 114 Meters of 97 g/t of Silver Near Surface, Incl...
28/03/2012Announces 2011 Annual Results
05/12/2011Intersects 354 g/t Ag Over 3.4 Meters and 1090 g/t Ag Over 1...
15/08/2011Mineralization Intersection on First Drill Hole Supports Con...
02/08/2011Announces Appointment of Vice President of Exploration and P...
09/06/2011Announces 2011 First Quarter Results and Announces Expanded ...
07/03/2011(Mangazeisky)Corrects Comments Made in The Northern Miner
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