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Canada
River Valley Project

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 Location:
60 km NE from Sudbury, Ontario, Canada

  Project Contacts:
59 Burtch's Lane 1000 Islands
Rockport
Ontario, Canada
K0E 1V0
Phone  ...  Subscription required
WebsiteWeb
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Overview

StagePreliminary Economic Assessment
Mine TypeOpen Pit
Commodities
  • Palladium
  • Platinum
  • Rhodium
  • Gold
  • Copper
  • Nickel
  • Cobalt
Mining Method
  • Truck & Shovel / Loader
Processing
  • Flotation
Mine Life14 years (as of Jan 1, 2019)
Latest NewsMetals Creek Resources Corp. Acquires PGE Claims In The River Valley Area of Ontario Through Staking     January 28, 2020


Owners

Source: p. 14
CompanyInterestOwnership
New Age Metals Inc. 100 % Direct
River Valley PGM Project is 100% owned by New Age Metals (NAM).

Deposit Type

  • Magmatic
  • Stratabound (SMS)


Summary:

Two styles of mineralization have been observed at the Project: contact nickel-PGE mineralization and reef PGE mineralization. The presence of several highly-anomalous assays from rocks lying within higher portions of the River Valley Intrusion’s stratigraphy suggests that there are opportunities for PGE mineralization such as reef or stratabound-type targets, or narrow, high-grade breccia zones.

The three largest and most economically interesting mineralized bodies of the East Bull Lake Suite Intrusives are the East Bull Lake and Agnew Lake Intrusions (situated within the Sudbury Province), and the River Valley Intrusion (situated in the Grenville Front Tectonic Zone). The River Valley Intrusion, the largest of the East Bull Lake Intrusive Suite by area, covers an area of approximately 200 km2. An economically important feature commonly shared by the Agnew Lake, East Bull Lake, and River Valley Intrusions is the occurrence of a copper-nickel-PGE bearing breccia unit situated at the base of the intrusions, where the footwall contact is preserved.

The contact between the River Valley Intrusion and the Archean basement trends southeasterly for a distance of approximately 16 km. On the basis of surface mapping and diamond drilling, the idealized sectional stratigraphy of the mineralized environment comprises five major units, from the layered rocks of the River Valley Intrusion in the west to the igneous basal contact of the intrusion to the east.

The mineralized breccia unit occurring at the contact has been identified along most of the 16 km strike length. The contact is divided into several areas based on structural offsetting, alteration grades, and grade distribution. The zones of mineralized breccia starting in the northwest and proceeding to the southeastern extent of the contact on the Property are: Dana North, Dana South, Banshee, Lismer’s Extension, Lismer’s Ridge, Varley, Azen, Razor, and River Valley Extension.

Dana North / Pine
Dana North, the most northwestern zone, has a strike length of approximately 1,000 m. The zone dips steeply to the west-southwest at 80 to 85°. The rocks have undergone lower- to middle-greenschist facies metamorphism. This area exhibits little structural disturbance. The Pine Zone is a mineralized splay off of Dana North. It is unknown at this time if the Pine Zone is structurally emplaced or primary magmatic placement. The strike is roughly perpendicular to Dana North and dips to the southeast at approximately 40° to 45°. The average thickness of the Zone is 45 m, yet thins to 15 m in the east.

Dana South
Proceeding southeast, Dana South is approximately 500 m in length, dips at 80 to 85° to the west-southwest, and varies greatly in width between holes and sections. The rocks here have undergone mid- to upper-greenschist metamorphism and the southern extent of this zone exhibits structural disturbance due to the proximity of the Dana Lake Shear Zone.

Banshee
The next zone further to the southeast is Banshee Lake which is a fault-offset band of marginal series rocks. This block of breccia has been displaced approximately 350 m to the southwest. The metamorphic grade of the rock here is lower amphibolite facies. The strike length of this zone is approximately 500 m and dips to the southwest at 60 to 70°. The rocks here show relatively more structural fabric in the way of fracture, shears, and foliation than at Dana.

Lismer Ridge and Lismer Extension
The next two zones, which can be described together due to the proximity and identical geology, are Lismer Extension and Lismer Ridge. These zones have a combined strike length of approximately 2,400 m dip east-southeast at about 60 to 70°. These zones have a lower- to midamphibolite grade metamorphic over print and exhibit a more penetrate structural fabric in the way of foliation throughout than the last zones. The rocks are more highly chloritized and carry more biotite relative to the other zones. The sulphides are composed of a higher percentage of chalcopyrite and are recrystallized along foliation planes.

Varley
The next zone is Varley, which has strike length of approximately 2,500 m and dips to the west at approximately 60 to 70°. The rocks here have undergone lower- to mid-amphibolite grade metamorphism but display little structural deformation.

Azen
At this juncture the contact swings to the east from the previous northwest-southeast orientation and is where the Azen Zone is encountered. This zone has a strike length of approximately 1,300 m and dips 30 to 50° south. The rocks have a mid- amphibolite facies over print.

Razor
Razor has a strike length of approximately 1,400 m. This zone dips progressively steeper to the east from about 80° to the south to steeply north at the far eastern end. The rocks have undergone upper amphibolite grade metamorphism.

River Valley Extension
The River Valley Extension has a strike length of approximately 2,400 m. The zone consists of two parallel mineralized horizons that are truncated to the north by a strike-slip fault. To the north of the fault, a single mineralized horizon exists. This zone dips steeply at about 80° to the southwest or northeast depending on the location.


Mining Methods

  • Truck & Shovel / Loader


Summary:

The River Valley Deposit is relatively shallow and lends itself to conventional open pit mining methods. Accordingly, the PEA mine plan entails developing 14 open pits aligned across approximately 16 km on the Property. An open pit mining and processing schedule has been developed for the Project. The mine production plan utilizes Measured, Indicated and Inferred Mineral Resources. Inferred Mineral Resources are considered too speculative geologically to have the economic considerations applied to them to be categorized as Mineral Reserves, and there is no certainty that the Inferred Mineral Resources will be upgraded to a higher Mineral Resource classification.

Open pit optimizations were run based on an NSR cut-off value of $11.45/t and a pit slope angle of 48°, with a mining cost for all materials of $2.00/t. A slope angle of 50° for PEA level pit optimization was recommended by Mine Design Engineering Inc. (“MDEng”), and it was subsequently flattened by 2° in the pit optimizations to allow for haulage ramps. Benches and haul roads were added during the creation of each pit design.

Mining dilution of 9.5% and 3% mining losses at diluting grades that averaged 0.22 g/t PdEq were incorporated to estimate the diluted potentially mineable portion of the Updated Mineral Resource Estimate (process plant feed). Total process plant feed was estimated at 78.1 Mt at a LOM average grade of 0.88 g/t PdEq. Total waste material within the open pits was estimated at 278 Mt, giving a LOM strip ratio of 3.6:1. A production schedule was generated at 6.0 Mtpy process plant feed. The open pit production schedule consists of one year of pre-production for pre-stripping followed by 13 years of mining and a partial final year of stockpile reclaim. The target peak annual mining rate is 40 Mt tonnes of material per year, or 110,000 tpd.

It is assumed that the open pits will be operated as a contract mining operation using conventional open pit mining diesel equipment consisting of 254 mm rotary drills, 29 m3 hydraulic excavators, 221 t off-highway haul trucks and auxiliary equipment. The open pit operation will require the development of several waste rock storage facilities (“WRF”) located immediately adjacent to the mining areas. A management and supervision team of NAM employees will direct the mining contractor. The River Valley mining operation will require a steady-state open pit workforce of approximately 189 personnel.


Crushing and Grinding


Processing

  • Flotation

Flow Sheet: Subscription required

Summary:

The process plant is designed to produce a single saleable PGE concentrate.

The run-of-mine (“ROM”) mineralized material from the mine is crushed in a single primary crushing stage prior to the milling circuit. The primary crushing stage consists of a primary jaw crusher driven by a 400 kW (536 hp) motor. The discharge is conveyed to a live stockpile, which provides an operating buffer between the crushing and grinding circuits.

The grinding circuit consists of a SAG mill in closed circuit with a pebble crusher and two ball mills in parallel. The SAG mill has a diameter of 9.7 m and a length of 4.3 m and is driven by a 7,460 kW (10,000 hp) motor. The SAG mill output is directed to a vibrating screen where oversized material is directed to the pebble crusher. The pebble crusher is essentially a cone crusher of dimensions 2.3 x 2.4 x 0.6 m (90 x 93 x 23 in) and is driven by a 315 kW (422 hp) motor. The pebble crusher product is returned to the SAG mill. The undersiz ........

Recoveries & Grades:

CommodityParameterAvg. LOM
Copper Recovery Rate, %  ......  Subscription required
Copper Head Grade, % 0.06
Palladium Equivalent Head Grade, g/t 0.88
Palladium Recovery Rate, %  ......  Subscription required
Palladium Head Grade, g/t 0.54
Subscription required - Subscription is required.

Projected Production:

CommodityProductUnitsAvg. AnnualLOM
Copper Concentrate dmt 223,577
Palladium Equivalent Payable metal oz  ......  Subscription required
Palladium Payable metal oz  ......  Subscription required

Operational Metrics:

Metrics
Stripping / waste ratio  ......  Subscription required
Daily mining capacity  ......  Subscription required
Annual mining capacity  ......  Subscription required
Waste tonnes, LOM  ......  Subscription required
Ore tonnes mined, LOM  ......  Subscription required
Total tonnes mined, LOM  ......  Subscription required
Daily production capacity  ......  Subscription required
Tonnes processed  ......  Subscription required
Annual processing capacity  ......  Subscription required
* According to 2019 study.
Subscription required - Subscription is required.

Reserves at June 27, 2019:

CategoryTonnage CommodityGradeContained Metal
Measured 56,096,700 t Palladium 0.54 g/t 983 oz
Measured 56,096,700 t Platinum 0.2 g/t 362 oz
Measured 56,096,700 t Rhodium 0.013 g/t 23 oz
Measured 56,096,700 t Gold 0.03 g/t 49 oz
Measured 56,096,700 t Copper 0.06 % 74,209 lbs
Measured 56,096,700 t Nickel 0.02 % 24,705 lbs
Measured 56,096,700 t Cobalt 0.006 % 7,405 lbs
Measured 56,096,700 t Palladium Equivalent 0.94 g/t 1,701 oz
Indicated 43,158,500 t Palladium 0.49 g/t 678 oz
Indicated 43,158,500 t Platinum 0.19 g/t 264 oz
Indicated 43,158,500 t Rhodium 0.003 g/t 4 oz
Indicated 43,158,500 t Gold 0.03 g/t 42 oz
Indicated 43,158,500 t Copper 0.05 % 47,515 lbs
Indicated 43,158,500 t Nickel 0.02 % 19,009 lbs
Indicated 43,158,500 t Cobalt 0.006 % 5,701 lbs
Indicated 43,158,500 t Palladium Equivalent 0.84 g/t 1,166 oz
Measured & Indicated 99,255,200 t Palladium 0.52 g/t 1,661 oz
Measured & Indicated 99,255,200 t Platinum 0.2 g/t 626 oz
Measured & Indicated 99,255,200 t Rhodium 0.009 g/t 28 oz
Measured & Indicated 99,255,200 t Gold 0.03 g/t 91 oz
Measured & Indicated 99,255,200 t Copper 0.06 % 121,724 lbs
Measured & Indicated 99,255,200 t Nickel 0.02 % 43,714 lbs
Measured & Indicated 99,255,200 t Cobalt 0.006 % 13,107 lbs
Measured & Indicated 99,255,200 t Palladium Equivalent 0.9 g/t 2,867 oz
Inferred 52,306,000 t Palladium 0.31 g/t 521 oz
Inferred 52,306,000 t Platinum 0.15 g/t 252 oz
Inferred 52,306,000 t Rhodium 0.012 g/t 20 oz
Inferred 52,306,000 t Gold 0.04 g/t 67 oz
Inferred 52,306,000 t Copper 0.04 % 46,071 lbs
Inferred 52,306,000 t Nickel 0.02 % 23,036 lbs
Inferred 52,306,000 t Cobalt 0.001 % 1,152 lbs
Inferred 52,306,000 t Palladium Equivalent 0.63 g/t 1,059 oz

Commodity Production Costs:

CommodityUnitsAverage
Cash costs Palladium USD  ......  Subscription required *
All-in sustaining costs (AISC) Palladium USD  ......  Subscription required *
Assumed price Rhodium USD  ......  Subscription required *
Assumed price Palladium USD  ......  Subscription required *
Assumed price Platinum USD  ......  Subscription required *
Assumed price Cobalt USD  ......  Subscription required *
Assumed price Nickel USD  ......  Subscription required *
Assumed price Copper USD  ......  Subscription required *
Assumed price Gold USD  ......  Subscription required *
* According to 2019 study / presentation.
Subscription required - Subscription is required.

Operating Costs:

Units2019
OP mining costs ($/t mined) CAD 2.28 *
OP mining costs ($/t milled) CAD  ......  Subscription required
Processing costs ($/t milled) CAD  ......  Subscription required
Total operating costs ($/t milled) CAD  ......  Subscription required
* According to 2019 study.
Subscription required - Subscription is required.

2019 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M CAD  ......  Subscription required
Sustaining CapEx $M CAD  ......  Subscription required
Closure costs $M CAD  ......  Subscription required
Total CapEx $M CAD  ......  Subscription required
OP OpEx $M CAD  ......  Subscription required
Processing OpEx $M CAD 659.3
G&A costs $M CAD 67.5
Total OpEx $M CAD  ......  Subscription required
Total Taxes $M CAD  ......  Subscription required
Royalty payments $M CAD  ......  Subscription required
Net revenue (LOM) $M CAD  ......  Subscription required
Pre-tax Cash Flow (LOM) $M CAD  ......  Subscription required
After-tax Cash Flow (LOM) $M CAD  ......  Subscription required
Pre-tax NPV @ 0% $M CAD  ......  Subscription required
Pre-tax NPV @ 5% $M CAD  ......  Subscription required
After-tax NPV @ 0% $M CAD  ......  Subscription required
After-tax NPV @ 5% $M CAD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
Pre-tax payback period, years  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.

Proposed Heavy Mobile Equipment as of August 7, 2019:
HME TypeModelSizeQuantity
Crane 40 t 1
....................... Subscription required ....................... Subscription required 4
....................... Subscription required ....................... Subscription required ....................... Subscription required 4
....................... Subscription required ....................... Subscription required 1
....................... Subscription required ....................... Subscription required ....................... Subscription required 1
....................... Subscription required ....................... Subscription required 2
....................... Subscription required ....................... Subscription required 1
....................... Subscription required ....................... Subscription required ....................... Subscription required 1
....................... Subscription required ....................... Subscription required ....................... Subscription required 2
....................... Subscription required ....................... Subscription required ....................... Subscription required 8
....................... Subscription required ....................... Subscription required 1
Subscription required - Subscription is required.

Mine Management:

Job TitleNameRef. Date
....................... Subscription required ....................... Subscription required Oct 21, 2019
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2019

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2019
Subscription required - Subscription is required.

News:

NewsDate
Metals Creek Resources Corp. Acquires PGE Claims In The River Valley Area of Ontario Through Staking January 28, 2020
New Age Metals Oversubscribes Private Placement for an aggregate $333,000 September 4, 2019
NAM Files NI 43-101 Technical Report for Preliminary Economic Assessment on the River Valley PGE Project, Sudbury, Ontario, Canada August 8, 2019

Subscription required - Subscription is required.

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