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Australia
Hillgrove Mine

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 Location:
23 km E from Armidale, New South Wales, Australia

  Address:
130 Brackin Street
Hillgrove via Armidale
New South Wales, Australia
2350
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StatusCare and Maintenance
Mine TypeOpen Pit & Underground
Commodities
  • Gold
  • Antimony
Production Start...
Mine Life5 years (as of Jan 1, 2020)
Red River has undertaken a detailed review in preparation for the restart of the Hillgrove Gold Project. The outcome of the review was a lean capital efficient staged restart process, with Stage One (processing of Bakers Creek Stockpile) scheduled to commence at the end of CY2020, and Stage Two (full restart of UG mining operations) scheduled to commence at the end of CY2021.
Red River started gold production from the Hillgrove mine’s Bakers Creek stockpile in December 2020 and trucked its first load of gold concentrate from the mine on June 18, 2021.
On September 7, 2022, Red River Resources placed its Hillgrove operation in New South Wales on care and maintenance while it undertakes a detailed study on the options available to it.


Owners

Source: p. 22
CompanyInterestOwnership
Red River Resources Ltd. 100 % Indirect
Red River acquired the Hillgrove Gold Project, in New South Wales, in 2019.

Contractors

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Deposit Type

  • Orogenic
  • Vein / narrow vein


Summary:

Orogenic gold-antimony-tungsten mineralisation at Hillgrove is hosted in multiple steeply dipping vein/shear systems contained within the Hillgrove Mineral Field. There is a strong zonation in the vein systems transitioning from shallow antimony dominant mineralisation to gold dominant mineralisation at depth. All known vein systems are open at depth, with potential transition to high grade gold dominant mineralisation at depth.

The Hillgrove Mineral Field covers approximately 9km x 6km, with more than 200 individual mineral occurrences identified in field. Red River controls the entirety of the Hillgrove Mineral Field and holds 225km2 of exploration leases and 17km2 of mining leases (or equivalent).


Mining Methods


Summary:

UG Operations will commence in the Metz Mining Centre, allowing Red River to take advantage of the existing UG development & infrastructure to target the high-grade Lode systems (Syndicate, Blacklode & Sunlight).

The Metz Mining Centre is currently on active care & maintenance, with all infrastructure (ventilation, power, water) in place to support near term restart of mining. Previous owners invested significant capital in development the Metz Mining Centre, with approximately 3,950m of declines and capital development, 3,400m of ore drives in the Syndicate Lode, 500m of ore drives in Blacklode and 320m of ore drives in Cox’s Lode.


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:
Red River commenced processing material from the Bakers Creek stockpile in December 2020. The Bakers Creek stockpile was exhausted in Q1 FY22, a small amount of gold was produced from gold-bearing residues for the remainder of the year.

CommodityProductUnits20222021
Gold Concentrate kt  ......  Subscription required  ......  Subscription required
Gold Payable metal koz  ......  Subscription required  ......  Subscription required

Operational Metrics:

Metrics20222021
Tonnes processed  ......  Subscription required  ......  Subscription required
Annual processing capacity  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Reserves at July 29, 2021:

CategoryTonnage CommodityGradeContained Metal
Measured 442 kt Gold 3.6 g/t 51 koz
Measured 442 kt Antimony 3.8 % 17 kt
Measured 442 kt Gold Equivalent 9 g/t
Indicated 3,766 kt Gold 4.8 g/t 582 koz
Indicated 3,766 kt Antimony 1.3 % 48 kt
Indicated 3,766 kt Gold Equivalent 6.6 g/t
Inferred 3,017 kt Gold 4.2 g/t 404 koz
Inferred 3,017 kt Antimony 0.8 % 25 kt
Inferred 3,017 kt Gold Equivalent 5.3 g/t
Total Resource 7,226 kt Gold 4.5 g/t 1,037 koz
Total Resource 7,226 kt Antimony 1.2 % 90 kt
Total Resource 7,226 kt Gold Equivalent 6.2 g/t

Financials:

Units202220212020
Revenue M AUD  ......  Subscription required  ......  Subscription required  ......  Subscription required
EBITDA M AUD  ......  Subscription required  ......  Subscription required  ......  Subscription required
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Heavy Mobile Equipment as of October 22, 2020:
HME TypeModelSizeQuantity
Truck (haul) ....................... Subscription required 40 t ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 21, 2022
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Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Press Release 2022
Quarterly Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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