Overview
Stage | Permitting |
Mine Type | Open Pit |
Commodities |
|
Mining Method |
|
Mine Life | 9.3 years (as of Jan 1, 2014) |
First Tin Plc ("First Tin"), a tin development company with advanced, low capex projects in Germany and Australia, is pleased to announce that it has commenced the Definitive Feasibility Study ("DFS") at the Taronga tin deposit in Australia. The DFS is being delivered by a consortium of Australian companies led by Mincore Pty Ltd ("Mincore"), which will undertake the project management and mineral processing.
It is expected that the study will be completed by mid-late 2023.
This work is being undertaken in conjunction with the ongoing environmental and permitting work being managed by RW Corkery Pty Ltd, designed to obtain all necessary statutory approvals by the end of 2023. |
Source:
p. 1
April 11, 2022 - Aus Tin Metals Limited is pleased to advise that the Sale and Purchase Agreement (“SPA”) entered into by Aus Tin to sell its wholly owned subsidiary, Taronga Mines Pty. Ltd, to First Tin Plc (“First Tin”) has now completed. Taronga Mines Pty. Ltd holds the Taronga tin project.
Contractors
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Deposit Type
- Hydrothermal
- Vein / narrow vein
Summary:
The Taronga tin deposit is hosted in Permian- Triassic hornfelsed sedimentary and volcanic rocks of the New England fold belt, assigned locally to the Grampians Formation. The host rocks were folded about their northwest to southeast (true bearings) axes with subsequent orthogonal re-folding. The host rocks were intruded by granites of Permian-Triassic age and these granites were the source of the tin, copper and silver mineralisation at Taronga. This is a classical geological setting for hydrothermal tin deposits of Eastern Australia.
Geological mapping indicates that the Taronga mineralisation occurs in sheeted quartz vein swarmswithin a north-east aligned anticlinal structure. Tin occurs within the swarms of quartz veinlets and tin mineralisation has been defined within two large zones, known as the Northern and Southern Zones. Two vein swarms in the Northern Zone are between 10m and 80m wide over lengths of between 600m and 650m to a depth of approximately 200m. Four separate vein swarms in the Southern Zone are 8m and 10m wide over lengths of between 150m and 550m, and have been outlined by previous drilling to a depth of approximately 150m.
Mineralogical studies as part of the metallurgical investigations for the deposit recognised three sequential events at varying mineralisation temperatures ranging from hightemperature, through intermediate temperature to low temperature with pneumatolytic hydrothermal and epithermal styles, respectively. The ........

Summary:
The Stage 1 Project mining operations would be undertaken using both free dig and conventional drill and blast methods. Following appropriate site preparation, the ore or waste rock that is sufficiently fragmented would be recovered by free digging with an excavator. Once the ore or waste rock cannot be removed by free digging, it would be blasted, loaded and hauled by an off-road haul truck to the ROM pad approximately 50m away. The Open Cut Pit would be operated over a 12 to 18 month period and create a final void of up to 230m long x up to 90m wide x approximately 50m deep refer.
Following site preparation, production areas would be prepared using a combination of free dig and drill and blast methods. It is envisaged free digging would occur to depths of up to 1m below the surface. Thereafter, material would be drilled and blasted. Each production blast will initially fragment approximately 10,000t but subject to vibration levels fragmentation levels may be increased. One constraining factor in determining the maximum quantity of rock blasted during each blast would be the level of ground vibration permissible at two proposed monitoring stations (the communications tower located approximately 250m from the open pit (20mm/s) and the closest residence located approximately 750m northwest from the Open Cut Pit (5mm/s).
Blasts would be designed to place the majority of the fragmented rock on the active floor of the Open Cut Pit to limit the need to push ........

Source:

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Flow Sheet:
Summary:

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Projected Production:
Commodity | Product | Units | Avg. Annual |
Tin
|
Metal in concentrate
|
kt
| 2.8 |
Tin
|
Concentrate
|
kt
| 5.2 |
Operational Metrics:
Metrics | |
Stripping / waste ratio
| 1.35 * |
Waste tonnes, LOM
| 31.3 Mt * |
Ore tonnes mined, LOM
| 23.2 Mt * |
Total tonnes mined, LOM
| 54.5 Mt * |
Annual processing capacity
| 2,500,000 t * |
* According to 2014 study.
Reserves at May 7, 2014:
A cut-off grade of 0.1% Sn
Category | Tonnage | Commodity | Grade | Contained Metal |
Probable
|
23.2 Mt
|
Tin
|
0.16 %
|
37,100 t
|
Indicated
|
26.9 Mt
|
Tin
|
0.17 %
|
45,200 t
|
Inferred
|
9.4 Mt
|
Tin
|
0.13 %
|
12,000 t
|
Total Resource
|
36.3 Mt
|
Tin
|
0.16 %
|
57,200 t
|
Total Resource
|
36.3 Mt
|
Copper
|
0.07 %
|
26,400 t
|
Total Resource
|
36.3 Mt
|
Silver
|
3.8 g/t
|
4,400,000 oz
|
2014 Study Costs and Valuation Metrics :
Metrics | Units | LOM Total |
Initial CapEx
|
$M AUD
|
......
|
OP OpEx
|
$M AUD
|
......
|
Processing OpEx
|
$M AUD
|
175.5
|
G&A costs
|
$M AUD
|
55.4
|
Total OpEx
|
$M AUD
|
......
|
Net revenue (LOM)
|
$M AUD
|
......
|
Pre-tax NPV @ 8%
|
$M AUD
|
......
|
Pre-tax IRR, %
|
|
......
|
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Mine Management:
Job Title | Name | Profile | Ref. Date |
.......................
|
.......................
|
|
Nov 24, 2021
|
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Staff:
Employees | Year |
|
2017
|
Corporate Filings & Presentations:
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