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Guinea
Lola Project

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 Location:
3 km E from Lola, Guinea

  Project Contacts:
1320 Graham, suite 132
Ville Mont-Royal,
Quebec, Canada
H3P 3C8
Phone  ...  Subscription required
Fax(514)-747-4276
EmailEmail
WebsiteWeb
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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Graphite
Mining Method
  • Truck & Shovel / Loader
Mine Life29 years (as of Jan 1, 2019)


Owners

 
CompanyInterestOwnership
SRG Mining Inc. 100 % Indirect

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Sedimentary


Summary:

The graphite rich paragneiss is present at surface over 8.7 kilometers with an average width of 300m and up to 1,000m wide. The graphite rich paragneiss is hosted within the Archean Kénéma Man domain, consisting with granulitic and migmatitic gneiss with subordinate granitoides and relic supracrustal belts, which are metamorphosed to granulitic facies.

The Lola Graphite occurrence is a natural flake occurrence within a paragneiss.

The graphite mineralisation is located within the strongly sheared paragneiss, the shearing mechanism may have played a role as containing and constraining the graphite mineralisation within the paragneiss.

The first 20m or so of the deposit is well weathered (lateralized) freeing graphite flakes from the silicate gangue and allowing for easy grinding with an optimal recovery of large and jumbo flakes. Graphite mineralisation continues at depth within the non-weathered paragneiss.

Graphite mineralization is well exposed at surface on its entire strike length with sample grades ranging from trace to up to 20% of large flakes and often seen in higher concentration agglomerates.


Mining Methods

  • Truck & Shovel / Loader


Summary:

The mining method selected for the Project is a conventional open pit operation with articulated 41- tonnes haul trucks, hydraulic excavators and wheel loaders with 5 m³ capacity.

The Project consists of three (3) separated mineralized areas: North, Central, and South. The North and Central areas have been separated by two areas each one to avoid flooding zones. A production schedule is based on a 29-year life of mine with includes 42.06 Mt of proven and provable mineral reserves at an average grade of 4.17% Cg.

Over the life of the mine, an average of 1.4 Mt per year (3,960 t/d) of ore will be mined from the open pit and hauled to the run of mine (ROM) pad. Given the constraints on the comminution circuit of the process plant, the blend between oxide material and fresh rock material contained in the ROM delivered to the process plant has been set at a maximum of 45% of fresh rock.

The mine will operate year-round, seven (7) days per week, twenty (20) hours per day (2 shifts, 10 hours each). Since the mill will operate seven (7) days per week, a run of mine stockpile will be maintained to provide a constant supply of feed to the crusher and maintain the maximum proportion (45%) of fresh rock. During the days when the mine is not operating (for technical or weather reasons), the crusher will be fed by the front-end loader from the stockpile. The mine fleet requirements and manpower are based on this work schedule.

The opt ........


Crushing and Grinding
Flow Sheet: Source


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. AnnualLOM
Graphite kt 551,535
All production numbers are expressed as concentrate.

Operational Metrics:

Metrics
Stripping / waste ratio 0.69 *
Waste tonnes, LOM 29,134 kt *
Ore tonnes mined, LOM 42 Mt *
Total tonnes mined, LOM 74,158 Mt *
Annual production capacity 57,500 dmt of graphite concentrate *
Daily processing rate 4,306 dmt *
Tonnes processed, LOM 42,024 kt *
Annual processing rate 1,571,707 dmt *
Annual mining rate 2.5 Mt *
* According to 2019 study.

Reserves at June 18, 2019:

CategoryTonnage CommodityGradeContained Graphite
Proven 6.7 Mt Graphite 4.43 %
Probable 35.4 Mt Graphite 4.13 %
Proven & Probable 42 Mt Graphite 4.17 %
Measured 6.84 Mt Graphite 4.39 % 300,300 t
Indicated 39.2 Mt Graphite 8.07 % 1,581,287 t
Measured & Indicated 46.03 Mt Graphite 4.09 % 1,881,587 t
Inferred 4.25 Mt Graphite 3.75 % 159,364 t

Commodity Production Costs:

CommodityUnitsAverage
Site cash costs (produced) Graphite USD  ......  Subscription required&nbs
Cash costs Graphite USD  ......  Subscription required&nbs
Assumed price Graphite USD  ......  Subscription required&nbs
* According to 2019 study / presentation.

Operating Costs:

Units2019
OP mining costs ($/t mined) USD 2.23 *
Processing costs ($/t milled) USD  ......  Subscription required
* According to 2019 study.
Subscription required - Subscription is required.

2019 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
Total OpEx $M USD  ......  Subscription required
Income Taxes $M USD  ......  Subscription required
Royalty payments $M USD  ......  Subscription required
Net revenue (LOM) $M USD  ......  Subscription required
EBITDA (LOM) $M USD  ......  Subscription required
Pre-tax Cash Flow (LOM) $M USD  ......  Subscription required
After-tax Cash Flow (LOM) $M USD  ......  Subscription required
Pre-tax NPV @ 10% $M USD  ......  Subscription required
Pre-tax NPV @ 8% $M USD  ......  Subscription required
After-tax NPV @ 10% $M USD  ......  Subscription required
After-tax NPV @ 8% $M USD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
Pre-tax payback period, years  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.


Proposed Heavy Mobile Equipment as of June 18, 2019:
HME TypeModelSizeQuantity
Dozer (crawler) ....................... Subscription required 8.7 cu. m ....................... Subscription required
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required
....................... Subscription required ....................... Subscription required ....................... Subscription required
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required
....................... Subscription required ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 1, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Corporate Presentation 2018
Preliminary Economic Assessment 2018
Press Release 2018
Technical Report 2016
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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