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Australia
Renison Area 5 (Expansion) Project (Renison)

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 Location:
8 km W from Rosebery, Tasmania, Australia

  Project Contacts:
Level 5, 197 St Georges Terrace
PO Box 7248
Perth
Western Australia, Australia
6000
Phone  ...  Subscription required
Fax+61-8-9220-5757
EmailEmail
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  • Overview
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  • Mining
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  • Filings & News

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Overview

StageConstruction
Mine TypeUnderground
Commodities
  • Tin
  • Copper
Mining Method
  • Longhole stoping
  • Paste backfill
Mine Life10 years (as of Jan 1, 2020)
The Area 5 upgrade progressed significantly during the year despite changes in scope, difficult ground conditions, COVID-19 related issues with logistics and contractors, all delays in manufacturing impacting the schedule. Rescheduling of underground activities has minimised the impact of the predicted delays to the 2022 mining schedule.


Owners

Source: p. 2
CompanyInterestOwnership
Metals X Ltd. 50 % Indirect
Yunnan Tin Group Holding Co Ltd. 50 % Indirect
Renison is 50%-owned by Metals X through the Bluestone Mines Tasmania Joint Venture

Contractors

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Deposit Type

  • Skarn
  • Carbonate replacement


Summary:

Renison is the largest of three major Skarn, carbonate replacement, pyrrhotite-cassiterite deposits within western Tasmania. The Renison Mine area is situated in the Dundas Trough, a province underlain by a thick sequence of Neoproterozoic Cambrian siliciclastic and volcaniclastic rocks. At Renison there are three shallow-dipping dolomite horizons which host replacement mineralisation.

Mount Bischoff is the second of three major Skarn, carbonate replacement, pyrrhotite cassiterite deposits within western Tasmania. The Mount Bischoff Mine area is situated within the Dundas Trough, a province underlain by a thick sequence of Neoproterozoic- Cambrian siliciclastic and volcaniclastic rocks. At Mount Bischoff folded and faulted shallow dipping dolomite horizons host replacement mineralisation with fluid interpreted to be sourced from the forceful emplacement of a granite ridge and associated porphyry intrusions associated with the Devonian Meredith Granite, which resulted in the complex brittle / ductile deformation of the host rocks. Lithologies outside the current mining area are almost exclusively metamorphosed siltstones. Major porphyry dykes and faults such as the Giblin and Queen provided the major focus for ascending hydrothermal fluids from a buried ridge of the Meredith Granite. Mineralisation has resulted in tin-rich sulphide replacement in the dolomite lodes, greisen and sulphide lodes in the porphyry and fault / vein lodes in the major faults. All lodes cont ........


Mining Methods

  • Longhole stoping
  • Paste backfill


Summary:

Renison mine production stabilises at approximately 930,000 tonnes per annum (tpa) after an initial ramp-up from approximately 900,000 tpa, with production rate limited by stope production scheduling and underground asset capacity. Over the 10 year mine life, Area 5 contributes approximately 40% of total contained tin in mine production.

Area 5 subset Ore Reserve of 3.30 Mt at 1.87% Sn for 61,900 tonnes of contained tin, including 2.2 Mt at 2.11% Sn for 46,400 tonnes of contained tin from a distinct high-grade portion of the Mineral Resource.

Area 5 Mine Design
Renison staff selected mine design is based on a stope size of approximately 15 m x 15 m, and vertical stope height of 40 m. Hangingwall exposures have been minimised by creating vertical walls across the orebody (where required).

Long hole stoping with engineered backfill was selected to extract the wide orebody in Area 5. Mining will be in a bottom up sequence and a single continuous mining front from the north.

Area 5 Ventilation
The Area 5 Study has recommended the development of the No.14 Ventilation System as a ventilation exhaust system dedicated to Area 5. It comprises a series of three raise bored shafts with a planned diameter of 5.0 m from surface to 1020 mRL (approximately 1.2km depth) with connecting drives. A 55 m surface pre-sink is required to reach rock suitable for raise boring. A twin exhaust fan will be installed on the surface with ventilation ........


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. AnnualLOM
Tin t 10,00098,000
All production numbers are expressed as metal in concentrate.

Operational Metrics:

Metrics
Annual mining capacity  ......  Subscription required
Ore tonnes mined, LOM  ......  Subscription required
Annual milling capacity  ......  Subscription required
Mining scale, tpd  ......  Subscription required
* According to 2020 study.
Subscription required - Subscription is required.

Reserves at March 31, 2020:

CategoryTonnage CommodityGradeContained Metal
Proven & Probable 8,610 kt Tin 1.4 % 120,300 t
Proven & Probable 8,610 kt Copper 0.18 % 15,500 t
Total Resource 18,550 kt Tin 1.57 % 291,600 t
Total Resource 18,550 kt Copper 0.2 % 36,600 t

Commodity Production Costs:

CommodityUnitsAverage
All-in sustaining costs (AISC) Tin AUD  ......  Subscription required&nbs
C1 cash costs Tin AUD  ......  Subscription required&nbs
All-in costs Tin AUD  ......  Subscription required&nbs
Assumed price Tin AUD  ......  Subscription required&nbs
* According to 2020 study / presentation.

Operating Costs:

Units2020
UG mining costs ($/t milled) AUD 59.5 *
Processing costs ($/t milled) AUD  ......  Subscription required
Total operating costs ($/t milled) AUD  ......  Subscription required
* According to 2020 study.
Subscription required - Subscription is required.

2020 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Expansion CapEx $M AUD  ......  Subscription required
Royalty payments $M AUD  ......  Subscription required
Gross revenue (LOM) $M AUD  ......  Subscription required
EBITDA (LOM) $M AUD  ......  Subscription required
Pre-tax Cash Flow (LOM) $M AUD  ......  Subscription required
Pre-tax NPV @ 8% $M AUD  ......  Subscription required
Subscription required - Subscription is required.


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 28, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Other 2022
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
Quarterly Report 2017
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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