Norwest Minerals Limited (''Norwest'' or ''the Company'') (ASX: NWM) is pleased to announce it has added the large 'Tamba' copper-gold geochemical target to its upcoming West Arunta drilling program.
The 3km x 1.5km copper-gold anomaly is defined by close spaced 200m x 100m soil samples collected in 20212 and sits along geophysical structures extending southeast through the Arcee gold prospect (Prodigy Gold) and northwest through the surrounding Tali and Rio tenements. Tamba is cleared and ready for immediate drill testing
Norwest's CEO, Mr. Charles Schaus commented: 'Tamba's large copper-gold geochemical footprint and associated geophysical features makes this target an exciting addition to our West Arunta drilling plans which includes the new Malibu and Duck IOCG & carbonatite targets. Importantly, Tamba has been Heritage cleared and is the likely starting point for the upcoming drill program which is currently being finalised.
The Tamba copper-gold anomaly - E80/4820
The Tamba copper-gold anomaly was identified from 200m x 100m spaced soil samples collected by Norwest's in early 2022. The 3km x 1.5km copper-in-soil footprint has an internal 2.5km x 0.5km gold-in-soil anomaly and is associated with a suite of elevated elements related to iron-oxide-copper-gold (IOCG) systems including U, Co, Ce, La, Ba, Bi, & K. Tamba is located along geophysical structures which extends through the 'Arcee' gold prospect3 located on the WA-NT boarder approximately 7 kms to the southeast. In 2019 Norwest completed a first pass 3000-point regional soil program across the bulk of its Arunta West project area. The results were followed up with fine-fraction collection of a further 6,550 soil samples which infilled areas of geochemical interest. These samples were analysed for 48 elements including ultra-low detection (0.01 ppb) for gold with the final lab assay results reported in early 20224 . Detailed analysis was undertaken independently by a consulting geochemist who identified the Tamba anomaly as one of several high priority drill targets along with areas at Malibu and Duck. The Arcee gold prospect is currently held by Prodigy Gold (ASX: PRX) and located 7 km southeast of Tamba. RC drilling at Arcee in 2019 returned 12m @ 3.5g/t gold from 113m. Arcee was originally identified using =2ppb gold in soil results5 . Subsequent exploration work has extended the Arcee gold anomaly to 2.3km with the anomaly crossing onto Tali Exploration ground. This tenement surrounds Norwest tenement E80/4820 where the Tamba copper-gold anomaly is located.
The Malibu and Duck target anomalies - E80/5031
In March 2024 Southern Geoscience Consultants (SGC) completed an open file magnetic study across Norwest's 1550km-2 West Arunta tenements package6 identifying 31 new critical mineral targets encompassing various deposit styles. The ranking of these targets was determined by factors such as size, structural setting, and geophysical responses. A ground gravity acquisition program was completed in April 2024 by Atlas Geophysics over western tenement E80/5031 which extends 30kms and encompasses many of the 31 prospective critical mineral magnetic targets7 . Analysis of the new gravity data and the magnetics by SGC highlighted two zones subsequently named 'Malibu' and 'Duck,' as large priority-one IOCG and carbonatite critical mineral targets. Structural Interpretation reveals a potential fold system at Malibu with coincident magnetic and gravity highs in the fold hinge. At Duck a 5km x 1km elongated structure is identified as an IOCG target.
A second IOCG geochemical anomaly is located within the bullseye and a third extends eastwest along the southern fold limb just below a coincident gravity-mag high. Norwest superimposed the outline of the Luni niobium geophysical signature9 over the Malibu target. The similarities in size, intensity, and orientation are clear making Malibu a high priority drill target. Also of interest is the surface colour change showing on the Google satellite image which appears to coincide with the Malibu 'Bullseye' and large IOCG geochemical feature. A site investigation will determine the source of the large discolouration.
Contact:
Charles Schaus
Chief Executive Officer
Email: infor@norwestminerals.com.au
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