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Australia
Beyondie Mine

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 Location:
166 km SE from Newman, Western Australia, Australia

  Address:
Unit 1 152 Balcatta Road
PO Box 610 Balcatta WA 6914
Balcatta
Western Australia, Austria
6021
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Overview

StageProduction
Mine TypeIn-Situ
Commodities
  • Potash
Mining Method
  • Brine mining
Production Start...
Mine Life50 years (as of Jan 1, 2022)
The Beyondie footprint, covering Stage 1 and Stage 2, provides the resources and reserves for a 50 year mine life at the production target of 120ktpa, plus significant potential for expansion upside.


Owners

Source: p. 13
CompanyInterestOwnership
Kalium Lakes Ltd. 100 % Indirect
Beyondie SOP Project (BSOPP) is 100% owned by Kalium Lakes Limited.

Contractors

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Deposit Type

  • Brine
  • Sedimentary


Summary:

The deposit is a brine containing potassium and sulphate ions that can form a potassium sulphate salt. The brine is contained within saturated sediments below the lake surface and in sediments adjacent to the lake. The lakes sit within a broader palaeovalley system that extends over hundreds of kilometres, this system has been eroded into the North-West Officer Basin sediments.

The lake bed alluvial sediments form the upper surficial aquifer and host the first brine horizon. The second brine horizon is hydraulically connected to the upper aquifer and comprises the lacustrine clay. The basal sand of the palaeochannel and the fractured bedrock form the third and fourth brine horizons and are considered to be hydraulically disconnected from the shallow aquifer.

The Project area is located within the Collier, Salvation, Scorpion, and North-West Officer Basins. The Marymia Dome is located on the northeast fringe of the Yilgarn Craton (southeast magin of the Basins) and comprises Archaean greenstone belts intruded by granites, and
notably monzogranitic rocks, which outcrops to the south of the Project.

Monzogranites are characterised as potassium rich and composed mostly of quartz and potassium feldspar (alkali-feldspar); their proximity to the BSOPP area, along with other granitic inliers, makes them a suspected source of the potassium enrichment in the region’s sub-surface brine deposits.

Hydrogeology
Two regional aquifer unit ........


Mining Methods

  • Brine mining


Summary:

There are two principal methods applicable to extract the brine:

• Pumping from production bores in the basal sands (lower aquifer) plus leakage from brine bearing segments within the palaeovalley clay and fractured/weathered bedrock; and

• Pumping from trenches inside the alluvial sediments (upper aquifer) in trenches up to 10 m depth.

Both methods will be used because of the properties of the different aquifers. The design of the bore field and trenches will be based on the brine demand and aquifer conditions.


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityUnits2022
Sulfate of potash (SOP) t  ......  Subscription required
All production numbers are expressed as salt.


Reserves at June 30, 2022:
SOP grade calculated by multiplying Potassium (K) by a conversion factor of 2.23.

CategoryTonnage CommodityGradeContained Metal
Proven 114 M cu.m Sulfate of potash (SOP) 13.8 kg/cu.m 1.56 Mt
Proven 114 M cu.m Potassium 6207 mg/L 0.7 Mt
Probable 288 M cu.m Sulfate of potash (SOP) 11.7 kg/cu.m 3.33 Mt
Probable 288 M cu.m Potassium 5290 mg/L 1.5 Mt
Proven & Probable 402 M cu.m Sulfate of potash (SOP) 12.32 kg/cu.m 4.89 Mt
Proven & Probable 402 M cu.m Potassium 5551 mg/L 2.2 Mt
Measured 1,051 M cu.m Sulfate of potash (SOP) 12.66 kg/cu.m 4.86 Mt
Measured 1,051 M cu.m Potassium 5675 mg/L 2.18 Mt
Indicated 3,555 M cu.m Sulfate of potash (SOP) 13.26 kg/cu.m 15.32 Mt
Indicated 3,555 M cu.m Potassium 5945 mg/L 6.87 Mt
Inferred 7,132 M cu.m Sulfate of potash (SOP) 14.19 kg/cu.m 13.28 Mt
Inferred 7,132 M cu.m Potassium 6363 mg/L 5.96 Mt



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jan 4, 2023
....................... Subscription required ....................... Subscription required Subscription required Jan 4, 2023
....................... Subscription required ....................... Subscription required Subscription required Jan 4, 2023
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Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
Feasibility Study Report 2018
Subscription required - Subscription is required.

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