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Australia
Daisy Centre (Mount Monger Operation)

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 Location:
50 km SE from Kalgoorlie, Western Australia, Australia

  Address:
PO Box 750
Kalgoorlie
Western Australia, Australia
6433
Phone  ...  Subscription required
Fax+61-8-9024-2013
WebsiteWeb
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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Gold
Mining Method
  • Longhole stoping
Production Start...
The Daisy Complex production sourced from Haoma West, Lower Prospect, Easter Hollows and remnant mining areas. In FY23, ore from the Daisy Mining Centre will continue to be sourced from Haoma West, Lower Prospect and the Easter Hollows lodes.


Owners

Source: p. 49
CompanyInterestOwnership
Silver Lake Resources Ltd. 100 % Indirect
The mining operations for Daisy Complex occurs on these granted Mining Leases – M26/129, M26/251, M26/38, M26/389, M26/825 and are held by Silver Lake Resources Limited.

Contractors

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Deposit Type

  • Orogenic
  • Vein / narrow vein


Summary:

The deposit type is classified as an orogenic gold deposit within the Norseman-Wiluna greenstone sequence. The accepted interpretation for gold mineralisation is related to (regional D2-D3) deformation of the stratigraphic sequence during an Archaean orogeny event. Locally, the mineralisation is characterised as a deformed vein, hosted within intermediate volcanic and volcaniclastic units and closely associated with felsic intrusive rock types of the Gindalbie Terrane. The metamorphic grade is defined as lower green-schist facies. The Daisy Complex resource extents are 2,500m strike, 800m across strike and 1,308m down dip and open at depth. These extents host approximately 74 known ore zones (ore domains).


Mining Methods

  • Longhole stoping


Summary:

The Daisy Complex production sourced from Haoma West, Lower Prospect, Easter Hollows and remnant mining areas. The Easter Hollows zone provides a shallower mining front and a significant exploration opportunity, with 1,000 metres of known plunge extent and improved drill access to target infill and extensional opportunities. In FY23, ore from the Daisy Mining Centre will continue to be sourced from Haoma West, Lower Prospect and the Easter Hollows lodes. Mining at Daisy Complex utilizes a single boom jumbo for ore development and longhole stoping between sill drives. All stope panels are assumed to have a minimum width of 2.4m and variable dilution is added at 0.0 g/t when mining each stoping block. The mining methods employed in the study are mechanised development, longhole stoping and airleg mining which are all currently utilised at the mine. Major assumption made for optimisation parameters include minimum stoping widths of 2.4m and maximum stope height of 15m. Minimum mining width parameters for handheld and mechanised mining were set at 2.4 metres, based on current experience at the Daisy Complex. An additional 20% dilution factor is then applied. Mining recovery factor of 80% was applied to account for ore loss in pillars and unplanned ore loss. Infrastructure to support mining operations is already in place at the Daisy Complex.


Crushing and Grinding


Processing

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Summary:

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Production:

CommodityUnits202220212020201920182017
Gold oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required68,03367,106
All production numbers are expressed as metal in ore.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required298,357 t328,941 t300,201 t
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Reserves at June 30, 2022:
The adopted cut-off grades 1.0 g/t (less than 100m depth from surface) and 2.0 g/t (more than 100m depth from surface) for reported mineral resource.

CategoryTonnage CommodityGradeContained Metal
Proven 63 kt Gold 5.9 g/t 12 koz
Probable 293 kt Gold 7.5 g/t 70 koz
Proven & Probable 355 kt Gold 7.2 g/t 82 koz
Measured 583 kt Gold 7.1 g/t 133 koz
Indicated 3,157 kt Gold 5.3 g/t 533 koz
Inferred 2,576 kt Gold 9.3 g/t 770 koz
Total Resource 6,316 kt Gold 7.1 g/t 1,436 koz



Heavy Mobile Equipment:

Mine Management:

Job TitleNamePhoneProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 10, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 10, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required Jul 27, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 10, 2022
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Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Quarterly Report 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Quarterly Report 2018
Annual Report 2017
Quarterly Report 2017
Annual Report 2015
Other 2015
Other 2012
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