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United States
Carolina Lithium Project

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 Location:
25 km NW from Charlotte, North Carolina, United States

  Project Contacts:
32 North Main Street, Suite 100
Belmont
North Carolina, United States
28012
Phone  ...  Subscription required
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  • Overview
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  • Geology
  • Mining
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  • Production
  • Reserves
  • Costs & Financials
  • Personnel
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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Lithium
  • Spodumene
  • Quartz
  • Feldspar
  • Mica
Mining Method
  • Truck & Shovel / Loader
Mine Life20 years (as of Jan 1, 2021)
The Study confirms that Carolina Lithium will be one of the world’s largest and lowestcost producers of lithium hydroxide.
Latest NewsNorth Carolina gives Piedmont Lithium 2nd extension to file documents     January 27, 2023


Owners

Source: p. 8
CompanyInterestOwnership
Piedmont Lithium Ltd. 100 % Indirect
Piedmont holds a 100% interest in the Carolina Lithium Project

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Pegmatite


Summary:

The mineralised pegmatites are thought to be concurrent and cross-cutting dike swarms extending from the Cherryville granite. As the dikes progressed further from their sources, they became increasingly enriched in incompatible elements such as lithium (Li) and tin (Sn). The dikes are considered to be unzoned.

Within the Project, spodumene pegmatites are hosted in a fine to medium grained, weakly to moderately foliated, biotite, hornblende, quartz feldspar gneiss or commonly referred to as amphibolite. The spodumene pegmatites range from fine grained (aplite) to very coarse-grained pegmatite with primary mineralogy consisting of spodumene, quartz, plagioclase, potassium-feldspar and muscovite.

Three main zones of mineralisation have been extensively drilled leading to Indicated and Inferred Mineral Resource classifications. The largest is in the western portion of the property, known as the B-G Corridor, where close spaced drilling has identified mineralisation for 1,400 metres along strike and to a depth of 150 to 200 metres below surface. This corridor accounts for 54% of the total resource reported.

The F Corridor is the second largest area of mineralisation and accounts for 30% of the total resource reported. This corridor is located along the eastern portion of the property and also consists of multiple pegmatite dikes, these dikes have been drilled for 750 metres along strike and 150 to 200 metres below surface.

The third area ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Independent consultants Marshall Miller and Associates used SimSched™ software to generate a series of economic pit shells using the updated Mineral Resource block model and input parameters as agreed by Piedmont. Overall slope angles in rock were estimated following a preliminary geotechnical analysis that utilized fracture orientation data from oriented core and downhole geophysics (Acoustic Televiewer), as well as laboratory analysis of intact rock strength. The preliminary geotechnical assessment involved both kinematic and overall slope analyses utilizing Rocscience™ modeling software.

Overall slope angles of 45 degrees were assumed for overburden and oxide material. Overall slope angles of 53 degrees were estimated for fresh material which includes a ramp width of 30 meters. Production schedules were prepared for the Project based on the following parameters:

- A targeted run-of-mine production of 1.95 Mt/y targeting concentrator output of about 248,000 t/y of SC6
- Mining dilution of 10%
- Mine recovery of 100%
- Concentrator processing recovery of 80%
- Mine sequence targets maximized utilization of Indicated Mineral Resources at the front end of the schedule.

The results reported are based upon a scenario which maximizes extraction of Indicated Resources in the early years of production. Indicated resources represent 100% of the tonnes processed in years 1-3 of operations. The results reported assume that the ........


Crushing and Grinding
Source: Subscription required


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityProductUnitsAvg. AnnualLOM
Lithium Hydroxide t 30,000582,000
Spodumene Concentrate kt  ......  Subscription required  ......  Subscription required
Quartz Concentrate kt  ......  Subscription required  ......  Subscription required
Feldspar Concentrate kt  ......  Subscription required  ......  Subscription required
Mica Concentrate kt  ......  Subscription required  ......  Subscription required

Operational Metrics:

Metrics
Stripping / waste ratio  ......  Subscription required
Waste tonnes, LOM  ......  Subscription required
Ore tonnes mined, LOM  ......  Subscription required
Total tonnes mined, LOM  ......  Subscription required
Tonnes processed, LOM  ......  Subscription required
Annual processing rate  ......  Subscription required
Annual ore mining rate  ......  Subscription required
* According to 2021 study.
Subscription required - Subscription is required.

Reserves at June 8, 2021:
The by-product Mineral Resource estimates are reported at a 0.4% Li 2 O cut-off grade.

CategoryTonnage CommodityGradeContained Metal
Indicated 21.6 Mt Quartz 29.4 % 6.34 Mt
Indicated 21.6 Mt Feldspar 45 % 9.69 Mt
Indicated 21.6 Mt Mica 4.2 % 0.9 Mt
Indicated 21.6 Mt LCE 597,000 t
Indicated 21.6 Mt Li2O 1.12 % 241,000 t
Inferred 17.6 Mt Quartz 29.3 % 5.16 Mt
Inferred 17.6 Mt Feldspar 45.9 % 8.08 Mt
Inferred 17.6 Mt Mica 4.1 % 0.73 Mt
Inferred 17.6 Mt LCE 449,000 t
Inferred 17.6 Mt Li2O 1.03 % 241,000 t
Total Resource 39.2 Mt Quartz 29.4 % 11.5 Mt
Total Resource 39.2 Mt Feldspar 45.4 % 17.77 Mt
Total Resource 39.2 Mt Mica 4.2 % 1.63 Mt
Total Resource 39.2 Mt LCE 1,046,000 t
Total Resource 39.2 Mt Li2O 1.09 % 422,000 t

Commodity Production Costs:

CommodityUnitsAverage
Credits (by-product) Spodumene USD  ......  Subscription required&nbs
Total cash costs LiOH USD  ......  Subscription required *†
Total cash costs Spodumene USD  ......  Subscription required *†
All-in sustaining costs (AISC) LiOH USD  ......  Subscription required *†
Assumed price LiOH USD  ......  Subscription required&nbs
Assumed price Spodumene USD  ......  Subscription required&nbs
* According to 2021 study / presentation.
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units2018
OP mining costs ($/t mined) USD 1.85 *
* According to 2018 study.

2021 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M USD  ......  Subscription required
Working capital $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
After-tax NPV @ 8% $M USD  ......  Subscription required
After-tax IRR, %  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.


Heavy Mobile Equipment:

Mine Management:

Job TitleNamePhoneProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 4, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Nov 4, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 4, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Corporate Presentation 2022
Quarterly Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
Preliminary Economic Assessment 2018
Subscription required - Subscription is required.

News:

NewsDate
North Carolina gives Piedmont Lithium 2nd extension to file documents January 27, 2023

Subscription required - Subscription is required.

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