GRL godolphin resources limited

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GRL - Media Articles, page-31

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MrSetarcos

257 Posts.

09/05/23

16:59

Post #: 67684320

Originally posted by WeronaEK: ↑
Here is the reason, Godolphin’s REE resources could upstage many of the possibles in Australia.

Why? I have copied and pasted the following explanation.

Goldolphin’s REE’s are “Ionic Adsorption Clay” vs “Hard Rock-hosted" REE.

Mining/Processing Stages

Ionic Adsorption Clay (IAC)

Hard Rock-hosted REE

Mineralisation

Soft material, negligible (if any) blasting
Elevated HREO/CREO relative to TREO head grade
Lower grade TREO (0.04 – 0.3 % TREO)

Hard rock; Bastnaesite and Monazite (LREO dominant); Xenotime (HREO dominant)
High La,Cecomponent of TREO head grade, ~ 5% HREO content
Higher grade TREO (> 0.7% TREO)

Mining

Bulk Mining, low relative operating costs:
Surface mining (0-20 m), 3 m of cover
Minimal stripping of waste material (strip ratio = 0.8)
Progressive rehabilitation of mined areas

Selective Mining, high relative operating costs;
Blasting required
Could have high strip ratios
Grade control requirements high

Processing Mining Site

No milling
Simple process plant, bulk process methods
Potential for static or in-situ leaching
Low reagent consumption at ambient temperature

Comminution, Intensive crushing and grinding required to liberate REE minerals
Beneficiation via simple screening a possible option
Expensive (flotation) reagents and utilities required to produce mineral concentrate

Mine Product

Mixed high-grade rare earth carbonate, +90% TREO grade product
Low La,Ce content (25-30%), high HREO/CREO content (70-75%), high basket value (US$39/kg REO)
Magnet metals ~ 33.3% (including 5% Dy+Tb)
High margin product

Mixed REE mineral concentrate (typically 20 – 40% TREO grade), gangue entrainment requires high product transport costs
High La,Ce content (~70%), low basket value per kg of product (US$13-20/kg REO)
Requires substantial processing (i.e. cracking) before suitable for feed to rare earth separation plant
Low margin product if mineral concentrate only

Product Payability

70-80% payability as a mixed Rare Earth carbonate

35-40% payability as a mineral concentrate

Processing - Environmental

Non-radioactive tailings
Solution treatment and reagent recovery requirements (somewhat off-set by advantageous supporting infrastructure)

Tailings often radioactive (complex and costly disposal)
Legacy radionuclide tailing management

Processing - Refinery(Typically not on Mining site)

Mixed rare earth carbonate, +90% TREO grade product a highly desirable feedstock directly into rare earth separation plant
Simple acid solubilisation followed by conventional REE separation
Complex recycling of reagents and water

High temperature mineral “cracking” using strong reagents to solubilise the refractory REE minerals
Complex capital-intensive plant required, i.e. high capex requirement
Radionuclide issues follow REE mineral concentrates to cracking plant
Social licence to operate concerns re radioactive tailings
Expand
We'll need further test work to determine the amount of ionic material proportional to non-ionic material. Hopefully the test work demonstrates a relatively high proportion of the material is ionic and the market rewards us. IMO, we should have a much better understanding of the deposit's properties by the end of this year.

GRL Price at posting: 6.2¢ Sentiment: Buy Disclosure: Held

1 Upvote

0 Great analysis

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GRL - Media Articles, page-31

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	Mining/Processing Stages	Ionic Adsorption Clay (IAC)	Hard Rock-hosted REE
Mineralisation	Soft material, negligible (if any) blasting Elevated HREO/CREO relative to TREO head grade Lower grade TREO (0.04 – 0.3 % TREO)	Hard rock; Bastnaesite and Monazite (LREO dominant); Xenotime (HREO dominant) High La,Cecomponent of TREO head grade, ~ 5% HREO content Higher grade TREO (> 0.7% TREO)
Mining	Bulk Mining, low relative operating costs: Surface mining (0-20 m), 3 m of cover Minimal stripping of waste material (strip ratio = 0.8) Progressive rehabilitation of mined areas	Selective Mining, high relative operating costs; Blasting required Could have high strip ratios Grade control requirements high
Processing Mining Site	No milling Simple process plant, bulk process methods Potential for static or in-situ leaching Low reagent consumption at ambient temperature	Comminution, Intensive crushing and grinding required to liberate REE minerals Beneficiation via simple screening a possible option Expensive (flotation) reagents and utilities required to produce mineral concentrate
Mine Product	Mixed high-grade rare earth carbonate, +90% TREO grade product Low La,Ce content (25-30%), high HREO/CREO content (70-75%), high basket value (US$39/kg REO) Magnet metals ~ 33.3% (including 5% Dy+Tb) High margin product	Mixed REE mineral concentrate (typically 20 – 40% TREO grade), gangue entrainment requires high product transport costs High La,Ce content (~70%), low basket value per kg of product (US$13-20/kg REO) Requires substantial processing (i.e. cracking) before suitable for feed to rare earth separation plant Low margin product if mineral concentrate only
Product Payability	70-80% payability as a mixed Rare Earth carbonate	35-40% payability as a mineral concentrate
Processing - Environmental	Non-radioactive tailings Solution treatment and reagent recovery requirements (somewhat off-set by advantageous supporting infrastructure)	Tailings often radioactive (complex and costly disposal) Legacy radionuclide tailing management
Processing - Refinery(Typically not on Mining site)	Mixed rare earth carbonate, +90% TREO grade product a highly desirable feedstock directly into rare earth separation plant Simple acid solubilisation followed by conventional REE separation Complex recycling of reagents and water	High temperature mineral “cracking” using strong reagents to solubilise the refractory REE minerals Complex capital-intensive plant required, i.e. high capex requirement Radionuclide issues follow REE mineral concentrates to cracking plant Social licence to operate concerns re radioactive tailings

GRL - Media Articles, page-31

Top Stories

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ASX Market Close: Bourse spins in circles as Israel-Iran conflict weighs | June 17, 2025

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Listen: HotCopper Wire Podcast 013 - They changed the IPO rules (and that's a good thing)

Featured News

Buyers (Bids)

Sellers (Offers)

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