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Australia
Paulsens Mine

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 Location:
161 km NW from Paraburdoo, Western Australia, Australia

  Regional Office:
Level 1, 388 Hay Street
PO Box 2008
Subiaco
Western Australia, Australia
6008
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Fax+61-8-6188-2111
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StatusCare and Maintenance
Mine TypeUnderground
Commodities
  • Gold
Mining Method
  • Sub-level Retreat
Production Start...
Paulsens was recently an operating mine, currently on Care and maintenance, and all permits and closure plans are in place.

At Paulsens, FY21 efforts focused on completing regional geophysical and geochemical sampling programs and evaluating the remaining underground Ore Reserve potential. geophysical programs to refine exploration targets.
Latest NewsBlack Cat Obtains High-Grade Initial Gabbro Vein Results at Paulsens     December 29, 2022


Owners

Source: p. 1
CompanyInterestOwnership
Black Cat Syndicate Ltd. 100 % Indirect
On June 15, 2022, Northern Star Resources Ltd (ASX: NST) completed the sale of two wholly-owned assets located in Western Australia, the Paulsens Gold Operation (Paulsens) and Western Tanami Gold Project (Western Tanami), to Black Cat Syndicate Limited (ASX: BC8; Black Cat) for a total cash, scrip and contingent cash paymentconsideration of $44.5 million.

Paulsens and Western Tanami are currently on care and maintenance.

Contractors

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Deposit Type

  • Vein / narrow vein
  • Mesothermal
  • Orogenic


Summary:

The Paulsens deposit lies within the west-northwest trending regional Wyloo anticlinal dome. Archaean Fortescue Group metasediments and metavolcanics of the Hamersley Basin are exposed in the core of the dome and form the host rocks of the Paulsens deposit. Paulsens is a mesothermal, orogenic lodestyle gold deposit with mineralisation occurring within a structurally controlled quartz vein, up to 40m thick, hosted between a structurally offset section of gabbro intrusive, within a folded, sedimentary sequence. The quartz body is found between the two halves of a large faulted Gabbro dyke. The mineralisation is cut in places by a series of steeply dipping dolerite dykes that vary from one to ten metres in thickness.

The main body of mineralisation comprises an Upper (UZ) and Lower (LZ) Zone located on the hanging wall and footwall contacts respectively.


Mining Methods

  • Sub-level Retreat


Summary:

Standard sub level retreat mining methods are predominantly used. Historical mining and reconciliation data have been taken into consideration but without affecting wire frame interpretation. The total model has been coded to identify previously mined areas and only reports remnant mineralisation. Mine Stope Optimiser (MSO) was run at 10m by 10m blocks to identify potentially economic material. This is coarser than the manually created reserve shapes. Small reserve shapes, not picked up by the Resource MOS process, were added to the overall resource.


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityUnits20182017201620152014
Gold oz 22,43655,49080,74274,999100,041
All production numbers are expressed as metal in doré.
Subscription required - Subscription is required.

Operational Metrics:

Metrics20202018201720162015
Annual processing capacity  ......  Subscription required450,000 t450,000 t
Total tonnes mined  ......  Subscription required174,974 t352,029 t398,812 t
Tonnes milled  ......  Subscription required233,292 t434,246 t386,570 t
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Reserves at March 31, 2021:
Resource reporting at a grade of 3.1gpt.

CategoryTonnage CommodityGradeContained Metal
Proven 197 kt Gold 4.9 g/t 31 koz
Probable 84 kt Gold 4 g/t 11 koz
Proven & Probable 281 kt Gold 4.6 g/t 42 koz
Measured 353 kt Gold 5.7 g/t 65 koz
Indicated 217 kt Gold 4.1 g/t 29 koz
Inferred 1,809 kt Gold 2 g/t 115 koz
Total Resource 2,379 kt Gold 2.7 g/t 209 koz

Commodity Production Costs:

CommodityUnits201820172016
All-in sustaining costs (sold) Gold AUD 1,450 / oz   1,455 / oz   1,099 / oz  

Financials:

Units201820172016
Revenue M AUD 40   93.6   126.7  
EBITDA M AUD 9.2   34.2   64.9  



Heavy Mobile Equipment as of December 31, 2015:
HME TypeModelQuantity
ANFO Loader ....................... Subscription required ....................... Subscription required
Drill (long hole) ....................... Subscription required ....................... Subscription required
Grader ....................... Subscription required
Jumbo ....................... Subscription required ....................... Subscription required
Loader ....................... Subscription required ....................... Subscription required
Loader ....................... Subscription required ....................... Subscription required
Truck (water) ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 1, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Press Release 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Annual Report 2018
Fact Sheet 2018
Annual Report 2017
Annual Report 2016
Fact Sheet 2015
Technical Report 2009
Subscription required - Subscription is required.

News:

NewsDate
Black Cat Obtains High-Grade Initial Gabbro Vein Results at Paulsens December 29, 2022

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