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Rocmec Mining Inc.- Solution for Mining High Grade Narrow Veins Deposits

Rocmec Mining Inc.


Rocmec Mining Inc. (TSXV:RMI) is a Quebec, Canada based mining and technology company focused on the development of quality assets that will significantly enhance shareholder value. The acquisition, and subsequent development activities at the Rocmec 1 (Abitibi, Quebec, Canada) and Rey Salomon (Peru) properties, are real world examples of this strategy in motion.

The Company’s patented “thermal fragmentation” mining method is used for narrow high grade precious metal vein deposits, and is in use at Rocmec’s mining operation in Peru. The exploitation of these narrow high-grade precious metal veins with Rocmec’s exclusive thermal fragmentation mining method coupled with conventional mining methods is leading the way for the Company to becoming a mid-size gold producer in the near future.

Investment Highlights

  • $33 million spent on exploration and development at its Rocmec 1 property to date
  • Fully permitted mine that is shovel ready
  • Thermal fragmentation method gives the company a competitive advantage
  • 1.2 million in exploration underway – including 6,300 metres in diamond drilling – winter 2013
  • NI 43-101 compliant report dated May 2010 states 120k measured/indicated gold ounces and 360k inferred gold ounces, data derived from 4% of total surface area
  • Updated Resource Estimate set for Summer 2013
  • New production updates set for Summer of 2013

Proprietary Technology: Thermal Fragmentation Method

Until recently, the use of chemical explosives was the only effective way of breaking hard rock. An innovative approach, consisting in thermal fragmentation, is currently in operation. This new approach consists of enlarging a 15-cm hole previously drilled with a long hole drill. A strong burner, powered by diesel fuel and air, is inserted in the hole, lowered to the bottom and lighted. The heat generated raises the in- hole temperature up to 1800°C.

This creates thermal stresses that spall the rock. In simple terms, spalling is considered as a form of decrepitation caused by an unequal expansion of rock crystals that overcomes molecule cohesion.

The broken material produced during this process ranges in size from fine-grained to 4 cm. A portion of the material is ejected out of the hole as burning progresses and the rest can either be blown out of the hole by compressed air or aspirated.

Thermal fragmentation significantly lowers the amount of explosives needed to break the rock and reduces the time needed to perform the work – resulting in reduced costs. Surface environment impacts are also minimal and preparation costs are kept as low as possible since thermal fragmentation requires minimal space to bring in the equipment, minimal stripping of waste rock and dilution is significantly diminished. By using the thermal fragmentation mining method, large diameter holes (30-90 cm) can be quickly created and act as large diameter cuts when blasting drop-raises.

Ore after Thermal Fragmentation

Key Properties

Rocmec 1

Accessible by way of Route 117 via the frontier gravel road that separates Ontario and Québec, and a secondary gravel road, the Rocmec 1 project is located in the Dasserat Township, Province of Québec on the shores of the Labyrinth Lake.

To date, Rocmec has invested approximately $33,000,000 in rehabilitating the property, surface and underground infrastructure, diamond drilling, equipment, drifting and the acquisition of a 75 tpd treatment plant, designed for underground installation. The property includes a 100m deep two compartment shaft, an 844 metre decline allowing access to five levels (50, 70, 90,110 and 130 metres). On these levels a total of 1700 metres (drifts and cross-cut drift) were driven. The Rocmec 1 ore body is well defined by diamond drill holes.

The deposit comprises a series of quartz-carbonate veins trending ENE to NE. These veins are boxed by differentiated intrusive quartz-rich rocks and form sub-parallel lenticular to tabular bodies. The veins are structurally controlled and the host-rock makes for good vein forming conditions, which are formed by hydrothermal fluids generated during compression events in the crust. In the case of Rocmec 1, major regional faulting in the vicinity of the property makes for good conduits for hydrothermal fluids towards the surface, thus representing ideal vein forming conditions.

Deposit morphology of the Rocmec 1 property is comprised by a series of gold, and sulphide rich veins. The most important veins are the: Boucher, Boucher 2, McDowell, Talus, Shaft and Front West. Generally, the gold mineralization is composed of fine to medium-grained disseminated and banded pyrite in veins, shear zones and breccias. Small quartz veins from only a few centimeters to 90 cm wide are encountered in these zones. Occurrences of massive pyrite bands were found to the edge of quartz veins and greater gold contents are associated to these massive fine-grained pyrite bands. Several gold-rich samples were analyzed for silver whose content varied between 1.37 g/t and 13.71 g/t silver, respectively.

With the additional drilling done by Rocmec, it has been established that these mineralized zones are continuous, and have simply been shifted through transverse faulting. It is now possible to follow these gold-bearing veins and predict their approximate position in space within the shifted surface.

Front West

This mineralized zone identified by diamond drilling is near surface to the west of existing shaft, no special name was given, only in accordance to the fact it sits in front of the McDowell i.e. on the hanging wall. Grades range from trace to 67.87 g/t gold, and widths vary from 0.15 metres to 1.53 metres. The best intersection encountered is 67.87 g/t gold over 1.44 metres.


The McDowell vein is the longest gold bearing structure on the property. This main dislocated structure includes the Western McDowell vein, McDowell, West Claude, Russian Kid and Beaudoin vein, forming one continuous ore body. The structures were followed underground or intercepted by diamond drill holes for 1,660 meters East West with an average width close to one (1) meter.

The pyrite associated with the vein is present in millimetre-length veinlets in the mass of quartz within the wall-rock. The Hanging wall and the footwall both contain coarse pyrite, it too an important gold indicating sulphide mineral. Lower vein wall (foot wall) is characterized by fine pyrite and is disseminated over more than three meters. This carries gold bearing mineralization to a vertical depth of 400 meters, and was developed and followed with the underground levels 150, 300 and 425(ft) now level 45, 90 and 130 meters. Grades encountered ranged from 0.03 g/t gold to 120.00 g/t gold with widths varying from 0.07 metres to 5.00 metres. The best intersection encountered was 74.65 g/t gold (2.4 troy ounces) over a length of 2.34 metres.


The Talus vein is probably a secondary sub-parallel branch structure to the McDowell vein whose junction point is located close to the section 6445mE. The Talus vein extends to the west of this junction point and is followed and identified up to the 6000mE coordinate. Some sampling of the vein was done in the drift at the 90m level. The actual known extension at depth is 400m. Grades range from 0.03 g/t to 61.58 g/t gold and widths varying from 0.05 metres to 3.04 metres. The best intersection encountered is 37.02 g/t gold (1.19 troy ounces) over 1.22 metres.


Located near the mine shaft, the vein is encountered at level 45 meters. Gold bearing mineralization appears in a broad brecciated zone consisting of alternating silicified, pyritized and sericitized diorite bands, and thin milky quartz bands. The results of sampling the drift made by North Bordulac Mines show that there are more gold bearing structures besides the shaft as North and South satellite veins. Grades range from 0.01 g/t to 28.01g/t gold and widths vary from 0.12 metres to 2.41 metres. The best intersection encountered is 18.15g/t gold (.583 troy ounces) over 1.53 metres.


During one site visit in November 2006, core from the new Rocmec diamond drill hole RS- 06-01 was reviewed and sampled. When re-examined the mineralized zone identified was spectacular with presence of visible gold associated with quartz carbonate vein. The zone is located at 165m on the footwall of the McDowell zone, and differs significantly by the amount of quartz and the width of the mineralized core. Visible gold was observed and special sampling procedures were undertaken to obtain a representative assay value. Grades ranged from 0.01g/t to 29.94 g/t gold (.962 troy ounces) and widths vary from 0.43 metres to 2.74 metres. The best intersection encountered is 20.06 g/t gold (.644 troy ounces) over 1.45 metres.

Boucher 2

The Boucher 2 zone is similar to the Boucher, but it is located 25 m behind to the north on the foot wall of the Boucher, almost 190m from the McDowell, no other diamond drill holes have reached such a distance from the McDowell on the north side. It also indicates that mineralization is not limited to the known corridor but extends to the north of the previously known sectors. Grades range from 0.01g/t to 29.76 g/t gold (.956 troy ounces) and widths vary from 0.16 metres to 3.77 metres. The best intersection encountered is 27.91 g/t gold (.897 troy ounces) over 1.77 metres.

Rocmec conducted several diamond drill campaigns on the Rocmec 1 property over the past years, two of which by contractors, the others by Rocmec employees. All of the diamond drill campaigns were designed and carried out following the reasoning of “drill for structure and drift for grade”. A NI 43-101 compliant report was prepared by Système Géostat International of Blainville (Quebec) and made public in May 2010. It is important to note that the data in the report stating 120,000 gold ounces in measured and indicated category and 360,000 gold ounces in the inferred category was derived from the previous boundaries of the property (86 hectares), representing roughly 4% of the total surface area, since then Rocmec has acquired the surrounding claims, the Rocmec 1 property now totals 2171 hectares.

The acquisition was strategic considering that all of the known structures continue onto the newly acquired claims. The results delineated measured and indicated resources of the Boucher and Boucher 2 structures totalling 22,700 ounces gold respectively, the Boucher Structure of 58 700 tonnes at 5.46 g/t gold totalling 10,300 ounces and the Boucher 2 structure of 31,500 tonnes at 12.20g/t gold totalling 12,400 ounces with a cut-off grade of 3 g/t gold. This is the first time that Rocmec obtained this type of resource category for the structure that was discovered in 2006. The Boucher vein has now been identified over a distance of 450 meters in length, at depths of 450 meters and remains open in all directions. The Boucher structure will be the main focus of the upcoming exploration programme.

The resources measured/indicated now total 570,300 tons at 6.52 g/t or 119,500 ounces gold (worth almost 200 million dollars) vs. 477,400 tons to 5.59 g/t or 85,900 ounces gold announced in the press release dated March 3rd 2010.

A new NI 43-101 compliant resource estimate and full production updates are expected by the summer of 2013.

Rey Salomon – Peru

This property is currently under 50/50 Joint-Venture with Chazel Capital, which is responsible for financing the operation with Rocmec operating the mine.

The main access road is the Pan-American Highway South, and the work site can be accessed by taking the Pan-American Highway South from the town of Atico. The road is paved until the intersection in Caraveli (km 31) and then turns into a gravel road for an additional 10 km. Then a 6 km access road on the right goes up to central part of the mining work.

The Rey Salomon project is a traditional mining operation and covers approximately 1,100 hectares and is located in the Province of Caraveli, Peru, South America. The mineral deposit is located between Quebrada de la Zorra and Pampa Redonda, in the district of Atico, province of Caraveli, subdivision of Arequipa.

It is an active hard rock mine where no modern extraction equipment has been used to any degree. It is at the ramp up stage and is expecting to start producing in early 2013 pending financing. The property has all the mining permits in place for the operation of its on-site 50 ton per day “Carbon-in-Pulp Milling Plant” (CIP).


Rocmec Mining Inc. is a Canadian based mining and technology company whose flagship property the Rocmec 1 has an estimated resource of nearly 480,000 ounces of gold. The Company’s patented “thermal fragmentation” mining method gives them a unique competitive advantage in mining narrow, high-grade precious metal ore bodies – extraction costs are streamlined and surface environment impacts are minimized. The highly prospective Joint Venture property in Peru, the Rey Salomon is shovel ready with permitting in place.


André Savard – President and CEO
Mr. Savard holds a Bachelor Degree in Space Operations; he is also specialized in explosives technology, equipment management and project management. Mr. Savard has a solid background in Research & Development acquired while working in both USA and Canada and was a director for a non-profit organization which provided free financial training and services to small investors who desired financial literacy.

During his term as a director, he founded and managed an investment pool for that organization. For the last few years, he has been a financial partner in active alluvial gold mining operation in Guyana, South America and in Dasserat Resources, Inc. (DRI) an acquisition and exploration company based in Canada. Mr. Savard is 100% owner and founder of Chazel Capital, Inc. Mr. Savard served as an Officer in the Canadian Army for 21 years, during which time he gained significant experience in many high profile jobs throughout the world.

Donald Brisebois – Vice-President, Operations and Technology
Mr. Brisebois graduated as mining technologist from the Abitibi-Temiscamingue Rouyn-Noranda college. Until recently, Mr. Brisebois was the CEO of Rocmec Mining (2005-2012). He has been the General Manager (2001-2004) of Rocmec International Inc. and is credited with having developed and invented the “Thermal Fragmentation Process” for narrow vein precious metal extraction.

Prior to that, he has held the positions of Executive VP and COO for McWatters Mines (1997-2000); General Manager for Placer Dome Inc. (1981-1997); supervisor (1977-1981) for Falconbridge, Teck, Ross-Finlay. He acted as Chairman of the Quebec Mining Association Board; is a member of Canadian Institute of Mining and Metallurgy; Board Member of Soredem (Quebec Research Group) and numerous research teams to develop innovating mining methods focused on narrow vein ore bodies.

Jean-Yves Therien – Vice-President, Business Development
Mr. Thérien holds a Bachelor degree in Administration (specilized in finances) from l’UQAM. He has worked for eighteen years as placement advisor for multiple brokerage Companies. His team spirit, entreprenership, perseverance and dynamism allow Rocmec to establish a niche in the industry and to exploit markets never developed before.

Dr. Michael M. Avedesian, Ph.D., Eng., FCAE, FCIC – Senior Advisor
Former President, Noranda Magnesium and Magnola Metallurgy, Dr. Avedesian has over 33 years of operations and business management experience in the metals and minerals sector. He holds a bachelor’s degree with honors in Chemical Engineering from McGill University, and a Ph.D. in engineering from Cambridge University. In 2001, he culminated a twenty-one year career with Noranda Inc. having held responsibilities in several roles including technical, operations, business management and executive management.

He also worked six years with Domtar Corp. as Director, Corporate Development in the 1980s primarily in the Chemicals Division which at that time was a vertically integrated mining company in industrial minerals including salt, gypsum and limestone products. Dr. Avedesian also had two successful start-up companies for which he was the founding CEO.

Gérald Désourdy – Chairman of the Board
Mr. Désourdy graduated from the University of Ottawa with a Bachelor’s degree in commerce in 1969. Mr. Désourdy started his career in 1969 within Désourdy Construction, a family business. He occupied various positions in such business and in 1981, he became President of Groupe Désourdy. In 1992, following the sale of the family business, Mr. Désourdy got involved in projects of a considerable size relating to public-private partnerships, in Canada and abroad. He was President of the Québec Road Builders and Heavy Construction Association in 1986 and of the Canadian Construction Association in 1987.

He was also a member of the Conseil du Patronat du Québec from 1986 to 1991 approximately. From 2003 to 2009, he was President and Chief Executive Officer of HLT Energies Inc. Since 2007, Gérald Désourdy acts as President and Promoter of the real estate project Parc sur Rivière- Bromont, société en commandite.

Émile P. Molgat – Independent Board Member
Mr. Molgat brings broad range of experience in the mining industry to Rocmec. He has been an independent consultant for mining companies, and is a former President and General Manager of Explonor Ltd, a company whose primary business is the selling of high explosives to mining companies (1984-1992). He was Regional Manager for ICI (1992-1997), and the Manager for Canadian underground mining division of Orica (1998-2001).

Paul-A. Girard – Independent Board Member
Mr. Girard obtained a Communications degree from the University of Montreal in 1975 and a degree in Industrial Relations from the University of Québec in Trois-Rivières in 1981. He has been active in the mining field for more than thirty years and occupied various positions in the industry. From 1985 to 1990, he was the financial editor for Les Affaires newspaper, in charge of mining and forestry sectors.

From 1991 to 1994, he acted as Vice-President of Business Relations for Gestion Corpomin Inc., where he was in charge of internal and external communications regarding mining companies. From 1994 to 2009, he occupied various positions within MDN Inc., namely President, Chief Executive Officer, and Chairman of the Board. Since 2009, he acts as a senior consultant in management and communications in the mining sector.