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Australia
Siviour Project

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 Location:
14 km W from Arno Bay, South Australia, Australia

  Project Contacts:
36 North Terrace
Kent Town
South Australia, Australia
5067
Phone  ...  Subscription required
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  • Overview
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  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
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  • Filings & News

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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Graphite
Mining Method
  • Truck & Shovel / Loader
Processing
  • Flotation
Mine Life40 years (as of Jan 1, 2019)
Latest NewsRenascor Resources Ltd., EcoGraph Ltd.: Govt supports graphite projects with $239m     February 3, 2022


Owners

 
CompanyInterestOwnership
Renascor Resources Ltd. 100 % Indirect

Deposit Type

  • Sedimentary


Summary:

The graphite mineralisation at Siviour is hosted within a sequence of schist, micro-gneiss and metasedimentary rocks. The mineralised zone has a simple tabular geometry and the main portion of the deposit is oriented east-west.


Mining Methods

  • Truck & Shovel / Loader


Summary:

The geometry of the Siviour Graphite Deposit is generally flat-lying, with thick, flat, gently folded graphite mineralisation sitting from within 5 m to 15 m of surface. This orientation facilitates a single shallow mining design that can be mined via conventional open pit mining methods.

The DFS pit optimisation and mining study resulted in a mining schedule conducted in 14 stages mined over a period of 26 years. Mining commences in the southern portion of the orebody to permit mining of a higher-grade corridor in the mine’s first year.

The proposed mining method is conventional truck and shovel open pit bench mining. Free digging in alluvial material makes up around 15% of all overburden, while drill and blast is required for all other lithologies.

Initially, mining will be conducted on a 24-hour basis in order to access high grade ore as soon as possible, before dropping to day-shift only in years 2 and 3. Mining will return to a 24-hour operation in Year 5, coinciding with the process plant expanding to 1,650ktpa capacity.


Crushing and Grinding
Flow Sheet: Source


Processing

  • Flotation

Flow Sheet: Subscription required

Summary:

The DFS considers the construction of two 825ktpa processing plants, for a total processing capacity of 1,650ktpa, with the construction of the second plant to potentially be funded from projected cash-flows derived from graphite sales from the first plant. The plants are based on identical designs.

Crushing
Crushing will occur in two stages. In the first stage, a primary jaw crusher will crush ore from the pre-blended ROM pad, and crushed product will be conveyed to a scrubber. The scrubber oversize will be crushed in a secondary pebble crusher and conveyed back to the scrubber feed. The primary crushing circuit operates at higher capacity than the mill to allow for a crushed ore stockpile.

Grinding
Crushed, scrubbed ore will be conveyed to a primary rod mill to achieve flotation feed of P99 425 µm. The mill discharge will be collected in a hopper before being pumped to a vibrating screen, with oversized material recycled back to the rod mill. The fine ........

Recoveries & Grades:

CommodityParameterAvg. LOM
Graphite Recovery Rate, % 91
Graphite Head Grade, % 7.4
Graphite Concentrate Grade, % 94

Projected Production:

CommodityUnitsAvg. AnnualLOM
Graphite kt 1054,394
All production numbers are expressed as concentrate.

Operational Metrics:

Metrics
Stripping / waste ratio 1.9 *
Ore tonnes mined, LOM 62,015 kt *
Tonnes milled, LOM 62,015 kt *
Annual milling capacity 1,650 kt *
* According to 2019 study.

Reserves at April 30, 2019:

CategoryTonnage CommodityGradeContained Graphite
Probable 45.2 Mt Graphite 7.9 g/t 3.6 Mt
Measured 15.8 Mt Graphite 8.8 g/t 1.4 Mt
Indicated 39.5 Mt Graphite 7.2 g/t 2.8 Mt
Inferred 32.1 Mt Graphite 7.2 g/t 2.6 Mt
Total Resource 87.4 Mt Graphite 7.5 g/t 6.6 Mt

Commodity Production Costs:

CommodityUnitsAverage
Cash costs Graphite USD  ......  Subscription required *
* According to 2019 study / presentation.
Subscription required - Subscription is required.

2019 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M AUD  ......  Subscription required
Sustaining CapEx $M AUD  ......  Subscription required
OP OpEx $M AUD  ......  Subscription required
Processing OpEx $M AUD 1,050
Transportation (haulage) costs $M AUD 458
G&A costs $M AUD 131
Total OpEx $M AUD  ......  Subscription required
Total Taxes $M AUD  ......  Subscription required
Royalty payments $M AUD  ......  Subscription required
Gross revenue (LOM) $M AUD  ......  Subscription required
Net revenue (LOM) $M AUD  ......  Subscription required
EBITDA (LOM) $M AUD  ......  Subscription required
After-tax Cash Flow (LOM) $M AUD  ......  Subscription required
After-tax NPV @ 10% $M AUD  ......  Subscription required
After-tax IRR, %  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.

Proposed Heavy Mobile Equipment as of November 11, 2019:
HME TypeModelSizeQuantity
Dozer ....................... 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 TitleNamePhoneEmailProfileRef. Date
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Sep 13, 2021
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2019
................................... Subscription required 2019
Press Release 2018
Other 2017
Subscription required - Subscription is required.

News:

NewsDate
Renascor Resources Ltd., EcoGraph Ltd.: Govt supports graphite projects with $239m February 3, 2022
Australian Government Identifies Renascors’ Siviour As A Major Project September 15, 2021
Renascor Resources: Siviour Prefeasibility Study and Maiden Ore Reserve March 14, 2018
Renascor Resources: Siviour Graphite Project Update December 13, 2017

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