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Chile
Guanaco-Amancaya Complex

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 Location:
184 km SE from Antofagasta, Chile

  Regional Office:
14 de Febrero 2065, Of. 1103
Antofagasta
Chile
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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Gold
  • Silver
Mining Method
  • Sub-level open stoping (SLOS)
  • Vertical Crater Retreat
Processing
  • Carbon re-activation kiln
  • Electric furnace
  • Filter press plant
  • Heap leach
  • Counter current decantation (CCD)
  • Agitated tank (VAT) leaching
  • Carbon in column (CIC)
  • AARL elution
  • Carbon adsorption-desorption-recovery (ADR)
  • Merrill–Crowe
  • Solvent Extraction & Electrowinning
  • Cyanide (reagent)
Mine Life2033
The Guanaco-Amancaya Operation consists of the Guanaco Mine and Inesperada satellite deposit, the Amancaya Mine and the Guanaco heap leach pads (Heap Reprocessing project).

Mining at Guanaco was discontinued in February 2020. Amancaya is currently in production, while Guanaco Heap Reprocessing and Inesperada are new projects that will commence operations in 2023. Amancaya's Mineral Reserves will be exhausted in 2023 when Inesperada commences production. It is anticipated that the Inesperada open pit Mineral Reserves will be exhausted by the end of 2025. Reprocessing of the heaps is scheduled to commence in 2023 and continue through to the end of mine life in 2033, taking advantage of underutilized processing capacity to push production over 1.1 Mt per year (on average).
Latest NewsAustral Gold Files Technical Report on Chilean Operations     April 19, 2022


Owners

Source: p. 16
CompanyInterestOwnership
Austral Gold Ltd. 100 % Indirect
Guanaco Compañía Minera Ltda. (operator) 100 % Direct
The Guanaco-Amancaya Operation is held by Austral Gold through its wholly-owned subsidiary Guanaco Mining Company Ltd (GMC). GMC has a 99.99% interest in Guanaco Compañía (Cía.) Minera SpA (GCM), the subsidiary entity in Chile that owns and currently operates the Guanaco and Amancaya mines.

Deposit Type

  • Epithermal
  • Vein / narrow vein


Summary:

The Guanaco-Amancaya Operation is located in the Central Depression of northern Chile, which is a north-northeast striking Paleocene to early Eocene morphostructure formed as part of a volcanic arc under extensional and/or transtensional conditions. The structure extends for 3,000 km, is composed of mafic to felsic volcanic rocks of calc-alkaline affinity, typically affected by extensive alteration, and has gabbroic to dacitic intrusive and subvolcanic bodies emplaced over its length. These rocks are grouped into the Cinchado (north) and Chile-Alemania (south) formations that lie unconformably over Cretaceous volcanic rocks. During the middle Eocene, the change of convergence angle and the acceleration of subduction resulted in crustal thickening, eastward migration of the volcanic arc, and the onset of the Incaic orogeny, which uplifted the Incaic Range and produced giant middle to late Eocene copper porphyry deposits to the east.

The Guanaco deposits are considered examples of structurally controlled high-sulphidation epithermal systems.

The most important structural features related to gold mineralization at Guanaco follow east-west and east-northeast to west-southwest trends. Gold bearing structures are all steeply inclined ledges (veins) composed of massive vuggy and cryptocrystalline quartz of replacement origin. Individual ledges are up to five metres wide, however, more commonly they appear to comprise several impersistent siliceous strands separated by altered, but barren, wall rock. The ledge structures extend for at least four kilometres along strike, although gold concentrations are confined to relatively restricted shoots. The ledges, formerly mined underground, and afterward in the Dumbo, Defensa, and Perseverancia open pits, contain the largest mineralized shoots, which reportedly extended for up to 300 m vertically. Further west, the mineralized shoots defined to date appear to be more restricted, both laterally and vertically. For example, individual shoots discovered at Cachinalito West range vertically from 50 m to 150 m and occur at slightly different elevations along closely spaced, parallel structures rather than within a single continuous ledge.

The deposit at Amancaya is an epithermal gold-silver deposit hosted in a steeply dipping, structurally controlled quartz vein emplaced on a volcano-tectonic basin. Gold mineralization comprises disseminations of native gold and silver, electrum, silver sulphosalts, and accessory sphalerite, galena, chalcopyrite, and pyrite occurring with quartz, adularia, carbonates, clay minerals, limonite, and manganese oxides. These minerals were deposited from boiling of dilute saline fluids circulating in a hydrothermal system driven by the Eocene to Paleocene magmatism. The hydrothermal vein systems are considered an LS type based on their metal content and the volcano-tectonic setting.

The Inesperada deposit is an HS breccia controlled epithermal gold deposit, hosted in phreatomagmatic tuffs and breccias. Alteration zonation is characterized by a silica-quartz-alunite-jarosite core surrounded by a quart-alunite-dickite alteration halo, changing outwards to a quartz-kaolinite assemblage. Gold mineralization is directly controlled by the morphology of the conduit of the phreatomagmatic unit. Mineralization depth is estimated to be greater than 100 m, the large part of which is oxide, changing below 2,400 MASL to a sulphide association of silica-quartz-alunite-pyrite alteration, with enargite and traces of chalcopyrite, chalcocite, and covellite.

Guanaco Mineralization
Native gold forming lamellae and coarse and fine grains is the most important economic mineral, although it is rarely visible. Disseminated pyrite is the most common mineral in the non-weathered mineralized material; enargite, luzonite, and minor chalcopyrite are present in the deeper horizons. Chalcocite and covellite, together with copper carbonates, silicates, and a number of rare copper arsenates (chenevixite, ceruleite) have been found in secondary-enrichment zones.

Important gangue minerals are quartz, tabular barite, pink alunite, kaolinite (in substitution of feldspars in zones affected by advanced argillization), hematite, chlorite, and epidote. Pervasive silicification commonly replaces all the primary rocks, whereas vuggy silica resulting from extreme acid leaching is a preferred host of the gold mineralization.

In the Cachinalito vein system, the economic mineralization appears to form 50 m to 150 m long clusters, locally known as “bolsones”. A narrow vertical range (less than 150 m) corresponding to relatively restricted paleo-depth conditions seems to have been relevant for economic gold deposition. The majority of the gold mineralization is concentrated between 2,500 MASL and 2,650 MASL. High grade shoots (up to 180 g/t Au), 0.5 m to 3.0 m wide, have been mined. Lower grade halos, below 2 g/t Au, reach 20 m in width.

The oxidation zone extends down to 150 m and is relatively free of copper. Gold grades in this zone are generally high, sometimes exceeding 50 g/t.

Inesperada Area
Phreatomagmatic tuffs and breccias occur in andesitic lava flows and their fragments are found along second order northwest-southeast structures possibly related to an extensional to transtensional tectonic regime.

Alteration is primarily associated with highly permeable phreatomagmatic rocks and strongly fractured andesitic rocks close to the contact between the units. The alteration zonation is characterized by a silica– quartz-alunite-jarosite core surrounded by a quartz-alunite-dickite alteration halo, changing outwards to a quartz-kaolinite assemblage developed over tuff and phreatomagmatic breccias. The outermost zone represents a halo of white micas that are developed mainly in the andesitic volcanic rocks.

Both gold mineralization and associated alteration are controlled by the morphology of the conduit of the phreatomagmatic unit. Mineralization depths are estimated to be greater than 100 m, with mineralization above 2,400 MASL being generally oxide and mineralization below 2,400 MASL being generally sulphide, characterized by a silica-quartz-alunite-pyrite association, with enargite and traces of chalcopyrite, chalcocite, and covellite.

Amancaya Mineralization
Amancaya is a vein hosted gold-silver deposit. The principal minerals are pyrite, galena, and sphalerite, with native gold, electrum, acanthite, chlorargyrite, and silver sulphosalts (pyrargyrite) also present. Native gold and electrum are rarely visible. There are three major veins in the mine area, the Central Norte and Central Sur veins, which have been mined, and the Oeste vein, not mined yet, all of which are quartz veins with hematite, jarosite, siderite-ankerite, and manganese oxides. The description of the veins follows.

Norte Vein
The Central Norte vein is banded and has a brecciated centre with milky quartz fragments. It extends for 850 m along strike in a N15°E direction, dipping between 77° and 90° to the east. Its thickness varies between 0.25 m and 3.0 m. It is characterized by high contents

Sur Vein
The Central Sur vein is a brecciated vein with banded quartz fragments. It extends for 600 m along strike in a N30°W direction, dipping between 59° and 88° to the east. Its thickness varies between 0.18 m and 3.5 m. It is characterized by low levels of manganese oxides, and siderite is the predominant carbonate. Galena and sphalerite become more abundant in the vein with depth.

Oeste Vein
The Oeste vein is a brecciated vein with banded quartz fragments. Based on the current knowledge, it extends for 250 m along strike in a N15°E direction, dipping between 60° and 75° to the west. Itsthickness varies between 0.5 m and 3.0 m. It is characterized by low contents of manganese oxides and carbonates.


Mining Methods

  • Sub-level open stoping (SLOS)
  • Vertical Crater Retreat


Summary:

The Guanaco-Amancaya Operation consists of the Guanaco Mine (Guanaco) and Inesperada satellite deposit (Inesperada), the Amancaya Mine (Amancaya), and the Guanaco heap leach pads (Heap Reprocessing project).

Mining at Guanaco was discontinued in February 2020. Amancaya is currently in production.

The LOM plan for the Guanaco-Amancaya Operation extends over 12 years. Amancaya continues operating throughout 2022, however, output tapers off in 2023 as operations wind down. Open-pit mining at Inesperada starts in 2023 when Amancaya's Mineral Reserves are exhausted. The pit operates until its reserves run out at the end of 2025. Heap Reprocessing begins in 2023 and continues through to 2033. The heaps will be reprocessed in reverse order of their numbering, starting with Heap III. Heap II comes on stream in 2027, near the end of Heap III's production. Leaching of Heap I begins in 2030 and continues to the end of the mine life in 2033.

Amancaya
The mining method at Amancaya is sublevel open stoping (SLS). The mine has a 15 m sublevel interval, and the production drifts have a 4.0 m wide by 4.2 m high profile. An ore horizon between sublevels is developed by driving crosscuts to the deposit and advancing ore drives along the vein at the upper and lower sublevels. The vein between the upper and lower ore drives is drilled with longholes and blasted in benches. In the first inter-sublevel horizon, the longholes can be drilled as upholes or downholes. A vertical crater retreat (VCR) drop raise is advanced between the upper and lower ore drives, providing a slot for initiating bench blasting. The blasted ore is mucked from the lower ore drive using a load-haul-dump unit (LHD) equipped for radio remote control operation. Pillars measuring approximately 8 m horizontally and 4 m vertically are left every 30 m along strike immediately below the upper ore drive level to support the hanging wall. The mined-out stopes are not backfilled in most cases and remain permanently open. The mining sequence is top-down, so mining proceeds to the next lower horizon. The only access to the stope is via the lower ore drive; therefore the longholes must be drilled as upholes.

Amancaya has six geotechnical units, which have been characterized and classified according to rock quality indices. The rock quality of these units ranges from fair to good, according to the RMR B89 index. Amancaya’s ground support procedures vary according to the geotechnical unit and excavation type. Except for those driven in weathered rock, production drifts require only scaling for ground control. Development drifts, intersections, and production drifts passing through weathered rock require cement grouted helicoidal rockbolts and a 50 mm layer of shotcrete.

Amancaya’s output is planned at approximately 660 tpd throughout 2022 but tapers off in 2023 as operations wind down. The Mineral Reserves are exhausted in the third quarter of 2023. Approximately a quarter of the production comes from drifting through the veins and the remainder from longhole benching. All infrastructure and equipment required for the remaining mine life are already in place; consequently, there are no capital expenditures for these items in the LOM plan.

Heap Reprocessing
Austral Gold plans to reprocess the material in the three spent heap leach pads at the Guanaco site. The previous owner leached Heaps I and II from 1992 to 1997, while Austral Gold processed Heap III from 2010 to 2017. The material in each heap will be loaded onto trucks, hauled to the crushing facility, crushed to P80 of 3.3 mm, redeposited at a different heap leach pad, and releached to recover part of the remnant gold and silver. Austral Gold plans to reprocess the heaps in reverse order of their numbering: Heap III first, then Heap II, and lastly Heap I.

Austral Gold will reprocess Heap III from 2023 to 2027. Its material has a sufficiently small particle size distribution to feed it directly to the HPGR. After crushing, Heap III's material will be hauled to and deposited at a new heap leach pad called Heap IV. During Heap III's reprocessing campaign, Heap IV's pad lining system will be extended two times, once in 2024 and again in 2025, to provide capacity for receiving all of the material.

Austral Gold plans to reuse the Heap III pad for reprocessing the remaining two heaps. Heap II's campaign will commence in 2027 once Heap III's material has been removed, leaving its pad is available. Heap III's pad lining system will be extended in 2026 to accommodate all the Heaps I and II material. Heap II’s campaign will continue until 2031. Heap I will be reprocessed from 2030 until mine closure in 2033.

The material in Heaps I and II is coarser than that of Heap III and consequently requires additional crushing, first with the secondary crusher and then the HPGR. The secondary crusher will be available for Heap Reprocessing after the Inesperada open pit is exhausted.

The pre-production activities in 2022 include sourcing and leasing the mobile equipment, hiring personnel, installing the Heap IV pad lining system, and constructing the HPGR crushing facility.

Inesperada Open Pit
Mining will be carried out by a contractor using a conventional truck and shovel mining method with the mine operating 24 hours/365 days per year. All the key mining activities including topsoil/overburden removal, drilling, blasting, loading, and hauling will be carried out by contractors. The production equipment will be supported by bulldozers, graders, and water trucks (operated by the mining contractor). Austral Gold will be responsible for mine administration and technical services including grade control, engineering, surveying, and mine planning.

The local topography is generally flat and does not present any major challenges to open pit mining. The final pit is approximately 120 m deep. The mean topography elevation is 2,515 MASL with the final pit bottom located at 2,395 MASL. The pit will be mined as a single phase vertically, bench by bench, to the final pit extent.

Ore material will be hauled ex-pit and transported to the processing facility by truck, which will be contractor operated. Waste material will be sent to a waste rock dump located on the west side of the pit.


Crushing and Grinding
Flow Sheet: Source
Crusher / Mill TypeModelSizePowerQuantity
Jaw crusher 1
Cone crusher 4
Ball mill 1

Summary:

Heap Leach Operation
Crushing
Ore is trucked from the mines and dumped into a coarse ore storage bin. A grizzly is positioned over the bin to prevent oversize rocks (i.e., larger than 750 mm) from entering the bin. A rock breaker is available to reduce the size of large rocks. Ore is transferred from the bin to a grizzly type screen using an apron feeder. Fine material that passes through the screen bypasses the jaw crusher and coarse material (i.e., larger than 150 mm) and is fed to the jaw crusher for primary crushing. Discharge from the jaw crusher and the grizzly screen undersize is conveyed to the secondary double deck vibrating screen. Oversize from the secondary screen feeds the two secondary standard cone crushers. Discharge from the secondary crushers as well as discharge from the tertiary crusher feeds two tertiary screens. Oversize from the tertiary screens is fed to two tertiary short head cone crushers. Undersize from the secondary and tertiary screens is the final product from the crushing circuit. The final product is conveyed to a bi-directional conveyor which can direct the crushed ore to the truck load out bin. Lime is added to the conveyor that feeds the bin. Trucks are loaded from the bin and transport ore to the permanent leach pad. When the conveyor is operated in the opposite direction, it is conveyed to the covered crushed ore stockpile to be fed to the mill.

Quaternary HPGR Crushing (Engineering and Permitting Stage)
A new HPGR crusher will be added as a quaternary crusher. The HPGR circuit can be fed either by front end loader into a dedicated external feed bin or from the secondary/tertiary undersize conveyor CV06 to a new conveyor CV08 which discharges into the HPGR double deck screen feed box. The HPGR requires a nominal F80 of 5.6 mm, so when processing Heap III, the material can be fed directly to the HPGR circuit. When processing HeapsI and II, the material will require secondary crushing prior to the HPGR. The HPGR circuit consists of a feed hopper, screen feed conveyor (CV12), double deck screen, screen oversize conveyor (CV09) feeding the HPGR, and screen undersize conveyor (CV10) conveying the screen undersized material and HPGR crushed material to the conveyor (CV11) which transfers the material to the existing truck loadout conveyor (CV07). Lime is added to CV07 from a lime silo and feeder located adjacent to the belt.

Milling Operation
From the covered stockpile, two vibrating feeders are used to draw ore from the bottom of the stockpile and place it on a series of conveyors that feed the ball mill. The plant is designed to process 1,500 tpd. The grinding circuit includes a single stage ball mill that operates in closed circuit with hydrocyclones. Crushed ore is conveyed to the ball mill feed bin where it is mixed with water for grinding. The slurry discharges from the mill through a trommel screen and flows by gravity into a pump box, from which it is pumped to the cyclone cluster. The cyclone underflow is returned to the ball mill for further grinding. The cyclone overflow is the final product from the grinding circuit. The target grind size is P80 150 µm.


Processing

  • Carbon re-activation kiln
  • Electric furnace
  • Filter press plant
  • Heap leach
  • Counter current decantation (CCD)
  • Agitated tank (VAT) leaching
  • Carbon in column (CIC)
  • AARL elution
  • Carbon adsorption-desorption-recovery (ADR)
  • Merrill–Crowe
  • Solvent Extraction & Electrowinning
  • Cyanide (reagent)

Flow Sheet: Subscription required

Summary:

The project infrastructure, including the processing facility at Guanaco, was refurbished and upgraded by Austral Gold between September 2009 and March 2010. GCM restarted leach pad stacking in September 2010 and the first gold bar was poured in December 2010. With the acquisition and start of mining at Amancaya, a milling and agitated cyanide leaching circuit was constructed, beginning operation in 2017. GCM discontinued loading of the heap leach pads in 2017 and subsequently directed all ore to the mill. Solution application on the heaps continued until operations were uneconomic at which time the ore was rinsed with water to remove residual cyanide and gold entrained in the heap.

GCM plans to reprocess the existing heaps (Heaps I, II, and III) by excavating the material, crushing it through a quaternary HPGR crushing circuit and placing the crushed material on a new heap leach, Heap IV. A fourth stage HPGR crushing circuit will be integrated into the existing 300 tph thr ........

Recoveries & Grades:

CommodityParameter2021202020192018201720162015
Gold Head Grade, g/t  ......  Subscription required  ......  Subscription required  ......  Subscription required4.963.962.824.7
Silver Head Grade, g/t  ......  Subscription required  ......  Subscription required  ......  Subscription required79.48.448.01
Gold Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required7579

Production:

CommodityUnits2022202120202019201820172016
Gold Equivalent oz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required61,271
Gold oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as metal in doré. ^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required250,986 t295,481 t
Daily ore mining rate  ......  Subscription required  ......  Subscription required  ......  Subscription required
Tonnes processed  ......  Subscription required  ......  Subscription required  ......  Subscription required253,024 t278,447 t505,711 t
Daily processing capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required1,500 t1,500 t
Daily mining capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required
^ Guidance / Forecast.
Subscription required - Subscription is required.

Reserves at December 31, 2021:
Mineral Reserves are estimated at the following cut-off grades:
• Amancaya: break-even cut-off grade of 3.04 g/t AuEq, and marginal cut-off grades of 2.37 g/t AuEq and 1.37 g/t AuEq for SLS stopes and drifts, respectively.
• Inesperada - pit discard cut-off grade of 0.40 g/t Au.
• Heap Leach Pads - Marginal cut-off grades for Heap Reprocessing have been estimated as 0.20 g/t Au and 0.15 g/t Au for Heaps I and Heap II, respectively, and at zero cut-off for Heaps III.

Mineral Resources are estimated at the following cut-off grades:
• Amancaya and Guanaco underground Mineral Resources: 2.90 g/t AuEq and 1.50 g/t AuEq, respectively.
• Inesperada open pit Mineral Resources: 0.38 g/t Au.
• Heap Leach Pads Mineral Resources: zero cut-off grade.

CategoryTonnage CommodityGradeContained Metal
Proven 10,287 kt Gold 0.7 g/t 232 koz
Proven 10,287 kt Silver 3.21 g/t 1,060 koz
Probable 1,859 kt Gold 1.58 g/t 95 koz
Probable 1,859 kt Silver 14.2 g/t 848 koz
Proven & Probable 12,146 kt Gold 0.84 g/t 326 koz
Proven & Probable 12,146 kt Silver 4.89 g/t 1,909 koz
Measured 12,047 kt Gold 0.8 g/t 308.9 koz
Measured 12,047 kt Silver 3.62 g/t 1,402 koz
Indicated 2,871 kt Gold 2 g/t 184.2 koz
Indicated 2,871 kt Silver 15.39 g/t 1,421 koz
Measured & Indicated 14,918 kt Gold 1.03 g/t 493 koz
Measured & Indicated 14,918 kt Silver 5.89 g/t 2,823 koz
Inferred 2,383 kt Gold 1.18 g/t 90.1 koz
Inferred 2,383 kt Silver 3.93 g/t 301.3 koz

Commodity Production Costs:

CommodityUnits2021202020192018201720162015
All-in sustaining costs (AISC) Gold Equivalent USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 943 / oz 908 / oz
C1 cash costs Gold Equivalent USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 792 / oz 759 / oz 761 / oz 548 / oz
^ Guidance / Forecast.
Subscription required - Subscription is required.

Financials:

Units2021202020192018
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required8.8  
Sustaining costs M USD  ......  Subscription required6.6  
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required85.1  
After-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required3  
Subscription required - Subscription is required


Heavy Mobile Equipment as of December 31, 2021:
HME TypeModelSizeQuantityStatusLeased or
Contractor
Bolter ....................... Subscription required ....................... Subscription required Existing
Concrete sprayer ....................... Subscription required ....................... Subscription required Existing
Concrete sprayer ....................... Subscription required ....................... Subscription required Existing Leased
Dozer ....................... Subscription required 3.88 m ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required Proposed Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Leased
Drill ....................... Subscription required ....................... Subscription required Existing
Drill ....................... Subscription required ....................... Subscription required Existing Leased
Drill (long hole) ....................... Subscription required ....................... Subscription required Existing
Drill jumbo (two boom) ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Leased
....................... Subscription required ....................... Subscription required Proposed Leased
....................... Subscription required ....................... Subscription required Proposed Leased
Grader ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Leased
Loader ....................... Subscription required 0.5 cu. m ....................... Subscription required Existing
Loader ....................... Subscription required 3.8 cu. m ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required Proposed Leased
Load-Haul-Dump (LHD) ....................... Subscription required 4 cu. m ....................... Subscription required Existing
Scaler ....................... Subscription required 0.96 cu. m ....................... Subscription required Existing
Scaler ....................... Subscription required 0.96 cu. yd ....................... Subscription required Existing
Telescopic Handler ....................... Subscription required ....................... Subscription required Existing
Telescopic Handler ....................... Subscription required ....................... Subscription required Existing Leased
Trans Mixer ....................... Subscription required 4 cu. m ....................... Subscription required Existing Leased
Trans Mixer ....................... Subscription required 4 cu. m ....................... Subscription required Existing
Truck (dump) ....................... Subscription required 15 cu. m ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required Proposed Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Leased
....................... Subscription required ....................... Subscription required Proposed Leased
Truck (water) ....................... Subscription required 20 cu. m ....................... Subscription required Existing
Truck (water) ....................... Subscription required 20 cu. m ....................... Subscription required Existing
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Dec 31, 2021
....................... Subscription required ....................... Subscription required Subscription required Dec 31, 2021
....................... Subscription required ....................... Subscription required Subscription required Apr 26, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 26, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 26, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 26, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2021

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Quarterly Report 2018
Annual Report 2017
Annual Report 2017
Corporate Presentation 2017
Corporate Presentation 2017
Technical Report 2017
Annual Report 2016
Subscription required - Subscription is required.

News:

NewsDate
Austral Gold Files Technical Report on Chilean Operations April 19, 2022
Austral Gold Files 2021 Annual Report March 31, 2022
Austral Gold Updates Mineral Reserve and Resource Estimates in Chile March 28, 2022
Austral Gold Provides Update on Exploration Activities October 26, 2021

Aerial view:

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