REGIONAL AIRBORNE SURVEYS – NOTICE OF ACTIVITY

KEY INFORMATION

  • The airborne gravity surveys will have minimal disturbance to land users and the environment. They will be performed by an experienced specialist contractor and involve a small, fixed wing aircraft flying along flight lines spaced about 200 m to 2 km apart
  • The aircraft will fly in public airspace at a nominated ground clearance of 80 to 160 metres, increasing to 300 metres over built-up areas
  • The instruments are passive and do not emit any signals or impact people, animals or infrastructure in any way
  • The survey planes are normal aircraft with scientific instruments on board. Noise levels on the ground will be transient and less than the sound of a passing motorbike
  • The surveys will be conducted over North Central Gold Pty Ltd’s 35 South Project from Yaapeet to Warracknabeal in August 2021

Introduction

North Central Gold Pty Ltd (NCG) was incorporated in January 2020 and was founded to seek and advance new gold and base metal opportunities in Victoria.  Despite its proven mineral wealth, the company considers Victoria to be extremely prospective in areas undercover.

 

NCG manages and operates the 35 South Project exploration licences (see Table 1) and is focussed on generating targets using a combination of innovative, non-invasive, low-impact, geophysical techniques.

 

NCG will be conducting airborne geophysical surveys over its 35 South Project exploration licences in August 2021.  The proposed airborne programs will significantly add to the existing geoscience data and knowledge of the Stawell Corridor and will be made available to the Geological Survey of Victoria following quality assurance checks.

 

The acquisition of high-resolution gravity and magnetic data will enable NCG to “see through” the transported sediments which cover the basement geology of the Stawell Corridor.

EL numberArea km2NameCompanyAcceptedStatus
EL007403546RainbowHopetoun Gold Pty Ltd18/11/2020Application
EL007404553YaapeetYaapeet Gold Pty Ltd18/11/2020Application
EL007406578KenmareKenmare Gold Pty Ltd18/11/2020Application
EL007407555JeparitJeparit Gold Pty Ltd18/11/2020Application
EL007582440WarrackWarracknabeal Gold Pty Ltd04/02/2021Application
Phys 3dimage

Airborne survey method

Aircraft fitted with electromagnetic and gravity instruments map variations in the electrical conductivity and extremely small variations in the natural gravitational pull of rocks, to a depth of several hundred metres without any ground disturbance.

The airborne surveys will be conducted by using a small plane flying around 80-160 metres above ground level at about 160 km/hr.  The flight lines are oriented east-west, with a line spacing varying from 200 m to 1 km apart.

Plane

Timeframes and work area

The surveys will be flown in August 2021.  CGG’s Falcon® Plus survey will be conducted from 4 August 2021 and will cover the area shown below from Yaapeet to Warracknabeal.  From mid-August, Pinemont Technologies Australia will conduct an airborne survey to help determine electrochemical gradients (the flow of electrons from reducing to oxidising environments or “redox”).

Impact on the environment

The survey planes are normal aircraft with scientific instruments on board, which are passive and do not emit any signals or impact people, animals or infrastructure in any way.  Noise levels on the ground will be transient and less than the sound of a passing motorbike.

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