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home / news releases / NLPXF - Noble Mineral Exploration - Exploration Update: Holdsworth Oxide Sand Project Preliminary Metallurgical Results


NLPXF - Noble Mineral Exploration - Exploration Update: Holdsworth Oxide Sand Project Preliminary Metallurgical Results

(TheNewswire)



Toronto, Ontario - TheNewswire - November 2, 2020 - Noble MineralExploration Inc. ("Noble" or the "Company") (TSXV:NOB ) ( FRANKFURT:NB7 ) ( OTC:NLPXF) is pleased to announce that, it has receivedmetallurgical test results from Montreal-based Dundee SustainableTechnologies Inc., ("Dundee" or "DST") on Gold andSilver recoveries from The Holdsworth Oxide Sands Property (the"Property"), located 25 kilometres northeast of Wawa,Ontario in Corbiere and Esquega Townships.

A 20 kg oxide sand sample recently taken from theProperty and assaying 7.93 g/t Au and 61.3 g/t Ag was submitted toDundee for metallurgical testing using its patented CLEVR Process(TM)"CLEVR".

The oxide sand material was prepared (ground, mixed,homogenised & split) prior to being concentrated by flotation. Twodistinct flotation tests were conducted and generated concentrateproducts containing 35.84 g/t Au (Flotation #1) and 33.19 g/t Au(Flotation #2). Gold recoveries from the flotation stage rangedbetween 50% and 52% with mass pulls of 8.6% (Flotation #1) and 10.7%(Flotation #2).

The Flotation #2 concentrate was submitted to both anoxidation and acid leaching pre-treatment prior to the gold and silverextraction. Using CLEVR, 97.7% of the gold in the concentrate wasrecovered and 43.2% for silver.

Concentration in ppm (Mass inmg)

Sample

Ag

Au

NBL-BS-F2-C (Flotation)

286.95 (43.1)

33.19 (4.98)

NBL-BS-F2-C-OX (calcine)

336.4 (42.7)

38.35 (4.87)

NBL-BS-F2-C-OX-LA (residue)

285.1 (25.1)

53.82 (4.74)

NBL-BS-F2-C-OX-LA-CL (residue)

164.41 (14.25)

1.26 (0.109)

Metal Extraction using CLEVR in%

43.2%

97.7%

Noble's next step would be tooptimize the flotation process in order to further increase preciousmetal recoveries with the goal of generating a marketable gold-silverrich concentrate and/or substantially reduce the amount of materialthat will have to be pre-treated and leached.

Vance White is quoted as saying:"The test work conducted by DST demonstrated that gold, from aflotation concentrate, may be leached, efficiently, post oxidation andacid leaching pre-treatment. We are very pleased that we can recover the gold from the flotationconcentrate in the high 90% range and silver in the 40% range from theHoldsworth oxide sands and since the sulphur content in the samplesthat were tested is very low, the extraction process would not likelygenerate acid in the tailings. Dundee classifies this concentrate as avery clean concentrate."

Randy S.C. Singh P.Geo (ON), P.Eng (ON) VP- Exploration & Project Development a "qualified person" as such term is defined by National Instrument 43-101 has verified the data disclosed in this news release, and has otherwise reviewed and approved the technicalinformation in this news release on behalf of Noble.

About Noble Mineral ExplorationInc.:

Noble Mineral Exploration Inc. is a Canadian-basedjunior exploration company which, in addition to its shareholdings inCanada Nickel Company Inc., Spruce Ridge Resources Ltd. and MacDonaldMines Exploration Ltd., and its interest in the Holdsworth goldexploration property in the area of Wawa, Ontario, holds approximately72,000 hectares of mineral rights in the Timmins-Cochrane areas ofNorthern Ontario known as Project 81. Project 81 hosts diversifieddrill-ready gold, nickel-cobalt and base metal exploration targets atvarious stages of exploration. More detailed information is availableon the website at www.noblemineralexploration.com .

About Dundee Sustainable TechnologiesInc.

DUNDEE Sustainable Technologies Inc. ("DST")offers proprietary metallurgical processes for the treatment ofcomplex and refractory material from mining operations. DST'sprocesses are applied for the extraction of precious metals from oresand concentrates. DST provides environmentally responsible, viable andefficient processes, capable of handling ores which may not beprocessed with conventional approaches due to metallurgical issues orenvironmental considerations.

DST CLEVR Process(TM) ("CLEVR" or the"Process"), a cyanide free gold extraction process, usessodium hypochlorite with a catalytic amount of sodium hypobromite inacidic conditions to put the gold into solution. Contact time isshort, and the Process operates in a fully closed loop. All chemicalsare recycled within the circuit and, if needed, sea water may be usedand can be beneficial to the process. The CLEVR tailings are inertfrom toxic substances, sulphide depleted and non-acid generating, andas a result, meeting and/or exceeding environmental norms.

DST's CLEVR Process eliminates the need for a costlytailings pond and their associated liabilities. CLEVR hasdemonstrated, at the industrial scale, excellent gold recoverieswithin a fraction of the time needed for cyanidation to obtain similarresults. Precious metal deposits containing accessory base metals canalso be treated effectively. The efficiency of the process, coupledwith its operating conditions, plant size and construction materialsallow for competitive capital and operating costs.

Cautionary Statement:

Neither TSX Venture Exchange nor its RegulationServices Provider (as that term is defined in the policies of the TSXVenture Exchange) accepts responsibility for the adequacy or accuracyof this release. No stock exchange, securities commission or otherregulatory authority has approved or disapproved the informationcontained herein.

The foregoing information may contain forward-lookingstatements relating to the future performance of Noble MineralExploration Inc. Forward-looking statements, specifically thoseconcerning future performance, are subject to certain risks anduncertainties, and actual results may differ materially from theCompany's plans and expectations. These plans, expectations, risks anduncertainties are detailed herein and from time to time in the filingsmade by the Company with the TSX Venture Exchange and securitiesregulators. Noble Mineral Exploration Inc. does not assume anyobligation to update or revise its forward-looking statements, whetheras a result of new information, future events or otherwise.

Contacts:

Noble Mineral Exploration Inc.

H. Vance White, President

Phone: 416-214-2250

Fax: 416-367-1954

Email: info@noblemineralexploration.com IR Email: ir@noblemineralexploration.com

Copyright (c) 2020 TheNewswire - All rights reserved.

Stock Information

Company Name: Noble Mineral Exploration
Stock Symbol: NLPXF
Market: OTC

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