(via TheNewswire)
Summary Highlights:
Results from three separate geophysical surveys completed on the northern Duck Creek exploration license have been received and interpreted. The surveys include Ambient Noise Tomography (ANT), a ground gravity study and an Induced Polarisation/Magnetotellurics (IP/MT) survey;
The ANT survey completed by Fleet Space Technologies was considered successful and clearly highlights several previously unknown features of interest in the prospective basement sequence. The different features of interest are interpreted to represent potential intrusive bodies, zones of hydrothermal alteration and kilometre-scale structures;
A ground gravity survey has provided much needed higher resolution data to guide the positioning of additional drill holes. Several distinct gravity features have been identified which will require drill testing with the gravity lows interpreted to represent possible deep-seated intrusions at depth; and,
The next phase of Duck Creek drill holes have been defined by combining data from the ANT, magnetic and gravity surveys with drill hole sample geochemistry and alteration identified in Inflection drill core.
Duck Creek Geophysical Surveys:
Three separate geophysical surveys were completed on the northern Duck Creek exploration license including Ambient Noise Tomography, an Induced Polarisation/Magnetotellurics (IP/MT) survey and a ground gravity study (Figure 1). The principal objective of these surveys was to enable the more accurate positioning of further drill holes, which when combined with geochemical data and alteration mapping collected from earlier Inflection drilling, would likely provide vectors toward alkalic porphyry-related copper-gold mineralisation at depth.
Drilling is currently focused on testing new regional targets in the north of Inflection’s portfolio as referenced in Inflection News Release dated
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Figure 1: Map of the Duck Creek Exploration License (EL-8965) with regional magnetics (TMI-RTP) showing locations of the detailed gravity and ANT surveys.
ANT surveys completed elsewhere (
Six high priority targets have been identified from this survey which include zones of high seismic velocity, suggestive of intrusions at depths and zones of low seismic velocity suggestive of hydrothermal alteration in the basement sequence. These targets are also associated withlarge, previously unrecognised, regional-scale structures which may have influenced the emplacement of intrusions in the basement sequence (Figures 2 and 3).
The Inflection survey covered an area of approximately 30 km2across the northern
Several previously unknown large-scale features of interest (Figures 2 and 3) have been identified by the survey interpreted to represent possible intrusionsand alteration.
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Figure 2: Duck Creek ANT survey 3D model viewing north clipped at -500 metre RL. Also shown is a 2300 millisecond isosurface extending to the unconformity between the basement sequence and the post-mineral sediments. The Company interprets the zones of higher seismic velocity to represent possible intrusions.
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Figure 3: Duck Creek ANT survey plan view at -400 metre RL, or 570m below surface, showing zones of low (blue colours) and high (yellow to red colours) seismic velocity interpreted as new targets for hydrothermal alteration and intrusions respectively. Existing Inflection drill holes and interpreted major structures are also shown.
The Company considers the survey data to be excellent quality and has highlighted several previously unknown areas of deep gravity lows, one of which coincides with areas of known porphyry style alteration intercepted in Inflection drilling as well as additional new anomalies that have yet to be drill tested.
The Company considers this relatively cost-effective survey to be very useful and going forward will be used elsewhere within the Macquarie Arc portfolio including on the Myallmundi project to provide much greater detail than the publicly available regional gravity data. The Company believes the higher resolution gravity data, together with the ANT data, can be used to directly position additional drill holes with the goal of vectoring towards porphyry-related copper-gold mineralisation at depth.
Induced Polarisation/Magnetotellurics (IP/MT)- The Company commissioned Fender Geophysics to complete a focused ~35-line kilometre IP/MT survey over selected aeromagnetic targets in the northern Duck Creek exploration license area. Six lines were completed over six discrete targets. The Company interprets that the survey failed to penetrate the basement sequence presumably due to the conductive nature and thickness of the post-mineral sedimentary cover sequence.
AngloGold Exploration Agreement Terms:
All the work programs noted above form part of the
About Inflection’s NSW Projects:
The Company is systematically exploring forlarge copper-gold deposits in the northerninterpreted extension of the Macquarie Arc, part of the Lachlan Fold Belt in
The Company uses cost-effective mud-rotary drilling to cut through unmineralised post-mineral sedimentary cover before transitioning to diamond core drilling once the prospective basement is reached. It is well documented that mineralised bodies elsewhere in the belt, in particular porphyry and intrusive related systems have large district-scale alteration and geochemical halos or footprints surrounding them. The Company typically completes a series of short diamond drill holes into the basement bedrock with multiple data points gained from alteration and mineral geochemistry which is then used to vector additional deeper holes. This is a proven exploration methodology in the covered segments of the Macquarie Arc having been directly responsible for the discovery of the Northparkes and Cowal deposits.
Qualified Person andSampling Quality Control:
The scientific and technical information contained in this news release has been reviewed and approved by Mr.
References:
Bensen, GD; Ritzwoller, MH; Barmin, MP; Levshin, AL; Lin, F; Moschetti, MP; Shapiro, NM; and Yang, Y; 2007. Processing seismic ambient noise data to obtain reliable broad-band surface wave dispersion measurements.
Chen, G; Cheng, Q; Luo, Y; Yang, Y; Xu, H; Deng, X; 2021. Seismic imaging of the Caosiyao giant porphyry molybdenum deposit using ambient noise tomography. GEOPHYSICS, VOL. 86, NO. 6 (November-
About
Inflection is part of the
On behalf of the Board of Directors
President and CEO
alistair@inflectionresources.com
For further information, please contact:
Investor Relations Manager
+1 (778) 867-5016
bzerb@inflectionresources.com
Forward-Looking Statements: This news release includes certain forward-looking statements and forward-looking information (collectively, "forward-looking statements") within the meaning of applicable Canadian securities legislation. All statements, other than statements of historical fact, included herein including, without limitation, statements regarding future capital expenditures, amount of drilling, receipt of the maximum amount of available grant funding, anticipated content, commencement and cost of exploration programs in respect of the Company's projects and mineral properties, AngloGold’s anticipated funding of the Minimum Commitment and timing thereof, and the anticipated business plans and timing of future activities of the Company, are forward-looking statements. Although the Company believes that such statements are reasonable, it can give no assurance that such expectations will prove to be correct. Often, but not always, forward looking information can be identified by words such as "pro forma", "plans", "expects", "may", "should", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates", "believes", "potential" or variations of such words including negative variations thereof, and phrases that refer to certain actions, events or results that may, could, would, might or will occur or be taken or achieved. Forward-looking statements involve known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of the Company to differ materially from any future results, performance or achievements expressed or implied by the forward-looking statements. Such risks and other factors include, among others, statements as to the anticipated business plans and timing of future activities of the Company, including the Company's exploration plans. the proposed expenditures for exploration work thereon, the ability of the Company to obtain sufficient financing to fund its business activities and plans, delays in obtaining governmental and regulatory approvals (including of the Canadian Securities Exchange), permits or financing, changes in laws, regulations and policies affecting mining operations, the Company's limited operating history, currency fluctuations, title disputes or claims, environmental issues and liabilities, as well as those factors discussed under the heading "Risk Factors" in the Company's prospectus dated
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