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Australia
Nolans Project

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 Location:
135 km N from Alice Springs, Northern Territory, Australia

  Project Contacts:
18 Menmuir St
PO Box 37220
Winnellie
Northern Territory, Australia
0820
Phone  ...  Subscription required
Fax+61 8 8947 5599
WebsiteWeb
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  • Overview
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  • Geology
  • Mining
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  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Total Rare Earth Oxides
  • P2O5
  • Nd2O3+Pr6O11
Mining Method
  • Truck & Shovel / Loader
Processing
  • Flotation
Mine Life23 years (as of Jan 1, 2019)
Arafura Resources will, in the next few years, become a long-term, secure supplier of neodymium and praseodymium (NdPr) from its 100%-owned Nolans project. The project site is located 135 kilometres north along the Stuart Highway from the town of Alice Springs in the Northern Territory, Australia.
Latest NewsArafura’s Nolans project life jumps by a decade     March 11, 2020


Owners

 
CompanyInterestOwnership
Arafura Resources Ltd. 100 % Direct

Deposit Type

  • Vein / narrow vein
  • Pegmatite


Summary:

The Nolans Bore deposit is spatially close to several tin and tantalum pegmatites, and REE-bearing carbonatite/alkaline complexes (Mud Tank and Mordor Igneous Complex). This mineral field of carbonatites, pegmatites, and other REE occurrences is in a region transacted by three major lineaments delineated by O’Driscoll, which include the north–northwest trending G2-gravity lineament that is considered to be spatially related to the Olympic Dam deposit and northwest-trending G3-gravity.

The mineralisation at the Nolans Bore deposit is hosted in a series of east-northeast trending, and steeply dipping to the northwest, fluorapatite veins and breccia zones. The granite-gneiss host has been strongly kaolinised due to weathering.

Huston et al. (in press) describe four styles of mineralisation: massive fluorapatite veins that typically contain 4–6% REE oxides and constitute most of the defined resource; very high-grade (7º–10% REE oxide) zones found in cheralite-bearing, apatite-poor kaolinitic zones outside of the veins; apatite allanite epidote zones hosted by calc-silicates; and low-grade stockwork zones in gneiss and kaolinitised rock adjacent to the veins and mylonite zones.


Mining Methods

  • Truck & Shovel / Loader


Summary:

Mining will be carried out using typical drill and blast operations, hydraulic excavator(s) and rear dump trucks. The strategic mining schedule is based on an average mining rate for the first seven years of 3.2 Mt per annum, average over the duration of mining of 7.6 Mt per annum, with a maximum rate of 11.2 Mt per annum. Ore from the run of mine (ROM) pad will be blended into road haulage trucks and trucked the 8.5 kilometres to the process plant for direct tipping into the crusher.


Crushing and Grinding


Processing

  • Flotation

Source: Subscription required

Summary:

Ore from the ROM pad will be transported approximately 8.5 kilometres south to the process plant. The design for the DFS includes the following areas:
• Comminution and Beneficiation – ROM ore will be crushed, milled and beneficiated using flotation to produce a concentrate, which will be fed into the extraction plant, and tailings, which will be sent to the Residue Storage Facility (RSF).
• Extraction Plant – Hydrometallurgical processing area which will consist of all the unit operations that separate the rare earths from gangue minerals and produce an MGA phosphoric acid byproduct, a cerium hydroxide product, and a rare earth chloride liquor which will be fed into the separation plant.
• Separation Plant – Solvent extraction facility and product handling area which will separate the final NdPr oxide product from the mid-heavy rare earth (SEG/HRE) carbonate product.
• Reagents – A general reagents handling and storage facility will be incorporated as well as a mod ........

Recoveries & Grades:

CommodityParameterAvg. LOM
Total Rare Earth Oxides Recovery Rate, %  ......  Subscription required
Total Rare Earth Oxides Head Grade, 3
P2O5 Recovery Rate, %  ......  Subscription required
P2O5 Head Grade, % 13.2
Subscription required - Subscription is required.

Projected Production:

CommodityProductUnitsAvg. AnnualLOM
Total Rare Earth Oxides t 13,343286,574
P2O5 Acid kt  ......  Subscription required  ......  Subscription required
Nd2O3+Pr6O11 Oxide t  ......  Subscription required  ......  Subscription required

Operational Metrics:

Metrics
Annual processing rate  ......  Subscription required
Annual processing capacity  ......  Subscription required
Annual mining rate  ......  Subscription required
* According to 2019 study.
Subscription required - Subscription is required.

Reserves at December 31, 2019:

CategoryTonnage CommodityGrade
Proven 4.3 Mt Total Rare Earth Oxides 3.1 %
Proven 4.3 Mt P2O5 13 %
Proven 4.3 Mt Nd2O3+Pr6O11 26.1 %
Probable 14.9 Mt Total Rare Earth Oxides 2.9 %
Probable 14.9 Mt P2O5 13 %
Probable 14.9 Mt Nd2O3+Pr6O11 26.5 %
Proven & Probable 19.2 Mt Total Rare Earth Oxides 3 %
Proven & Probable 19.2 Mt P2O5 13 %
Proven & Probable 19.2 Mt Nd2O3+Pr6O11 26.4 %
Measured 4.9 Mt Total Rare Earth Oxides 3.2 %
Measured 4.9 Mt P2O5 13 %
Measured 4.9 Mt Nd2O3+Pr6O11 26.1 %
Indicated 30 Mt Total Rare Earth Oxides 2.7 %
Indicated 30 Mt P2O5 12 %
Indicated 30 Mt Nd2O3+Pr6O11 26.4 %
Inferred 21 Mt Total Rare Earth Oxides 2.3 %
Inferred 21 Mt P2O5 10 %
Inferred 21 Mt Nd2O3+Pr6O11 26.5 %

Commodity Production Costs:

CommodityUnits2019
Cash costs Nd2O3+Pr6O11 USD  ......  Subscription required
Subscription required - Subscription is required.

2019 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M AUD  ......  Subscription required
OP OpEx $M AUD  ......  Subscription required
Processing OpEx $M AUD 148
Total OpEx $M AUD  ......  Subscription required
Net revenue (LOM) $M AUD  ......  Subscription required
EBITDA (LOM) $M AUD  ......  Subscription required
After-tax NPV @ 10% $M AUD  ......  Subscription required
After-tax IRR, % $M AUD  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.

Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Apr 28, 2020
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2017
Other 2010
Subscription required - Subscription is required.

News:

NewsDate
Arafura’s Nolans project life jumps by a decade March 11, 2020
Arafura begins Nolans mine life extension plans October 1, 2019

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