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Marifil Reports San Roque Drilling Preliminary Results

VANCOUVER, British Columbia, Sept. 11, 2018 (GLOBE NEWSWIRE) -- Marifil Mines Limited (TSXV: MFM) ("Marifil" or the "Company") announces that it has received preliminary assay results for its diamond core drilling program announced in the Company's press release titled "Marifil Mines Successfully Completes San Roque Drilling Program", dated June 28, 2018. The San Roque property (the "Property") is located near the Atlantic coast in the Province of Rio Negro, Argentina. The Property is held by Minas San Roque S.A., which is jointly owned by Marifil’s wholly owned subsidiary Marifil Mines S.A. (51%) and NOVAGOLD RESOURCES Inc.’s (TSX: NG) wholly-owned subsidiary NovaGold Argentina Inc. (49%).  Marifil is the project operator.

Four HQ-size core holes were drilled for a total of 846 meters. Table 1 shows location and main features of the four drill holes in both local coordinate datum: Gauss Kruger and Campo Inchauspe systems:

Table 1

MF-DDH 5635178885485417250-60270
MFDDH 583517104548708160-60148
MF-DDH 5935178605485355250-60158
MF-DDH 5635178885485735250-60270
MF-DDH 573516831548791560-60270
MF-DDH 583517104548739960-60148
MF-DDH 5935178605485673250-60158

The drill core assay results for gold and silver are shown in Table 2. Base metal assays are incomplete and will follow, with a drill hole location map, in a subsequent news release.

Table 2

Drill HoleFrom   To     Interval   Au   Ag g/t   Au Eq. 
I.D.(m)     (m)   (m)       g/t * g/t *   g/t**   
8 intervals 53.60.685.00.74 
2 intervals 4.50.303.00.34 
6 intervals 83.00.495.30.55 
5 intervals 29.31.925.31.98 
*Calculated weighted average grades based on a cut-off of 1.5 m @ 0.30 g/t Au   
10-Sep-18Price US$    
AuTroy Oz.      1,196.60       84.3   
AgTroy Oz           14.20    

Drill holes MF-DDH 56 and MF-DDH 59 continued delineation of the Zone 34 gold zone as step-outs off of DDHMSR0034 (-60°), which was the last hole drilled on the Property in 2011. It intercepted 35 meters of 2.27 g/t Au with 42.6 g/t Ag, as announced in the Company's press release titled "Marifil Reports Positive Drill Results From San Roque Project In Argentina", dated February 14, 2012. The true width of this cored mineralization is unknown. MF-DDH 56 is 50 meters from DDHMSR0034 along the structural strike of the mineralization, and MF-DDH 59 is 50 meters from DDHMSR0034 at a right angle to the strike of the mineralization positioned as a downward extension or down dip test. Both new holes have assay runs of correlative gold mineralization, which add significantly to the prospectiveness of Zone 34.

Drill hole MF-DDH 57 is a 600 meter exploratory step-out along a linear geophysical (induced potential (I.P.)) anomaly off of, or connecting to, Zone 33, a gold bearing base metal zone. This drilling discovered that the I.P. anomaly is caused by a pyrite rich rock formation of schist within the Precambrian age basement strata upon which the mineralized Jurassic age rhyolitic volcanic rocks sit. Pyrite is a metallic sulfide that reacts to induced electrical current and is of no economic value. Nonetheless, the first 50 meters of this hole crossing that geologic boundary intersected noteworthy zinc mineralization with some associated low gold values. A follow-up step back drill hole designed to intersect the volcanic rock sequence further above the basement is justified.

Drill hole MF-DDH 58 was drilled as a 50 meter step-off from DDHMSR0033, which was also drilled in 2011, and shows two intercepts with a weighted average of 93.9 meters at 0.80 g/t Au, 9.0 g/t Ag, 0.31 % Pb and 0.58% Zn, as also announced in the Company's press release titled "Marifil Reports Positive Drill Results From San Roque Project In Argentina", dated February 14, 2012. Lead and zinc mineralization is seen in all 148 meters of the MF-DDH 58 drill cores, for which complete lead and zinc assays are pending. The hole shows an impressive intercept of 83 meters of a half gram per tonne gold. The mineralization in the Zone 33 area is open ended in several directions.

Down hole surveys were completed on all four holes, and all the drill cores have been geologically logged and geotechnical data has been obtained as well, including numerous specific gravity determinations. Five hundred eighty two core samples were sent and are being processed and assayed by Alex Stewart Argentina S.A. (ISO 9001:2015 certified) in Mendoza, Argentina.

There are now 112 holes totaling 16,683 meters drilled on the San Roque property. Every one of these drill holes intercepted mineralization, although some of the holes are well below the grade cut-off grade used in Table 1, indicating an extensive system of mineralization over several square kilometers. Mineralization is open in all directions and at depth. Equally important, mineralization frequently starts at surface and has been followed to the bottom of the deepest holes. San Roque is an advanced stage exploration property showing generally encouraging drilling results supporting a discovery of a large disseminated precious metal rich polymetallic deposit which may be amenable to low-cost bulk mining.

In addition, the Company announces that, subject to regulatory approval, it has arranged a non-brokered private placement financing (the “Financing”) of up to 10,000,000 units (each, a “Unit”) at a price of $0.10 per Unit for gross proceeds of up to $1,000,000.  Each Unit consists of one common share of the Company (each, a “Share”) and one share purchase warrant (each, a “Warrant”).  One Warrant entitles the holder thereof to purchase one additional Share of the Company at a price of $0.15 per Share for a period of two years from closing of the Financing.  The Financing may be considered a related party transaction pursuant to applicable securities laws due to the fact that certain insiders of the Company may participate in the Financing.

All securities issued in connection with the Financing will be subject to a statutory hold period expiring four months and one day after closing of the Financing. Completion of the Financing is subject to a number of conditions, including, without limitation, receipt of all regulatory approvals, including approval of the TSX Venture Exchange.

Quality Control – Quality Assurance
Marifil adheres to rigorous Quality Assurance – Quality Control (QA/QC) standards. The Company carried out a very careful and systematic Quality Assurance/Quality Control program of the San Roque property drilling. Drill core samples were kept in a secure location at all times. Representative half core samples were collected and shipped in sealed tamper proof bags to Alex Stewart Argentina S.A. (ASL) (ISO 9001:2015 certified) in Mendoza, Argentina for assaying. All samples were analyzed under ASL code ALS 48 element four acid ICP-AAS (ME-MS61) followed for gold by either ALS Au 30 gram fire assays with AA finish (Au-AA23) or ALS Au 50 gram fire assay with gravimetric finish (ME-GRA22); and for silver by  ALS Ag 50 gram fire assay with gravimetric finish (Ag-GRA22).

The following QA/QC protocols were adopted for the San Roque drilling campaign: 1) Blank samples and Standards – Certified Reference Material (CRM’s) account for approximately 5% of core samples submitted to the laboratory, 2) QA/QC samples are spaced no more than twenty samples apart, 3) geologists instruct the lab to run clean rock through equipment immediately following samples containing visible native gold, and 4) the laboratory prepares coarse crush and fine pulverized duplicate samples and analyzes the duplicates.

An independent consulting geochemist has reviewed the Company’s control samples results and has reported: “This review of quality control results from the 2018 San Roque drilling program confirms that Marifil’s QC procedures mostly conform with best practices but some minor adjustments are required to make them fully compliant. QC results indicate that the assay results are generally within acceptable limits for accuracy and precision.” The Company has addressed those “minor adjustments” to be incorporated into the next drilling program, one of which involves submitting half the sawn core to be assayed instead of the quarter core procedure which it used.

The Qualified Person received certified assay reports directly from ASL, and is of the opinion that the results reported in this press release are reliable.

Qualified Person
The scientific and technical information disclosed within this document has been prepared, reviewed and approved by Richard R. Walters, Executive Vice President, Exploration and a director of Marifil Mines Ltd. The data presented herein was reviewed as part of a Quality Assurance/Quality Control (QA/QC) program under the direction of Mr. Walters. Mr. Walters is a Qualified Person as defined in NI 43-101 Standards of Disclosure for Mineral Projects, and is the person under whose directions the San Roque, Argentina exploration program has been and is being carried out. Mr. Walters is a certified Professional Geologist by the American Institute of Professional Geologists (AIPG).

This press release has been reviewed and approved by Robert Abenante, CEO of Marifil.

 "Rob Abenante"
Robert Abenante, President & CEO

Contact Information:

Phone: 604.424.8889
Email:[email protected]

For further information regarding Marifil Mines Limited, please refer to the Company's filings available on SEDAR ( or at Marifil's Website (

General Disclaimer

Marifil Mines Limited "Marifil" has taken all reasonable care in producing and publishing information contained in this news release. Material in this news release may still contain technical or other inaccuracies, omissions, or typographical errors, for which Marifil assumes no responsibility. Marifil does not warrant or make any representations regarding the use, validity, accuracy, completeness or reliability of any claims, statements or information in this news release. Under no circumstances, including, but not limited to, negligence, shall Marifil be liable for any direct, indirect, special, incidental, consequential, or other damages arising from your use, or inability to use, the material from this news release. The information is not a substitute for independent professional advice before making any investment decisions. Furthermore, you may not modify or reproduce in any form, electronic or otherwise, any information on this site, except for personal use unless you have obtained our express written permission.

Forward-Looking Statements

Statements in this news release that are not historical facts are forward-looking statements.  Forward-looking statements are statements that are not historical, and consist primarily of projections - statements regarding future plans, expectations and developments.  Words such as "expects", “hopes”, "intends", "plans", "may", "could", “potential”, "should", "anticipates", "likely", "believes" and words of similar import tend to identify forward-looking statements.  Forward-looking statements in this news release include the Company’s belief that these positive results constitute an important discovery of a large disseminated precious metal rich polymetallic deposit which will probably be amenable to low-cost bulk mining.  All of these forward-looking statements are subject to a variety of known and unknown risks, uncertainties and other factors that could cause actual events or results to differ from those expressed or implied, including, without limitation, the risks that the Company may not find any minerals in commercially feasible quantities; that the Company may not raise enough money to fund its exploration plans; uncertainty of development plans and cost estimates; commodity price fluctuations; political or economic instability and regulatory changes; currency fluctuations; the state of the capital markets; uncertainty in the measurement of mineral reserves and resource estimates; the Company’s ability to attract and retain qualified personnel and management; potential labour unrest; uncertainty as to reclamation and closure requirements for its mineral properties; unpredictable risks and hazards related to the development and operation of a mine or mineral property that are beyond the Company’s control; and other risks and uncertainties identified under the heading “Risk Factors” in the Company’s continuous disclosure documents filed on SEDAR.  You are cautioned that the foregoing list is not exhaustive of all factors and assumptions which may have been used. The Company cannot assure you that actual events, performance or results will be consistent with these forward-looking statements, and management’s assumptions may prove to be incorrect. The Company’s forward-looking statements reflect current expectations regarding future events and operating performance and speak only as of the date hereof and the Company does not assume any obligation to update forward-looking statements if circumstances or management’s beliefs, expectations or opinions should change other than as required by applicable law. For the reasons set forth above, you should not place undue reliance on forward-looking statements.

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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