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Kalamazoo floods sample labs as WA lithium hunt heats up

Kalamazoo Resources has flooded West Australian sample labs with nearly 9000 soil samples from two of its projects that are within the heartland of WA’s lithium discoveries. Work currently underway at the company’s Marble Bar project follows a large soil sampling campaign recently completed at the nearby DOM’s Hill lithium project that identified 30 prospective areas through preliminary portable XRF analysis.

Lithium prospects identified through preliminary portable XRF analysis at DOM’s Hill are now the focus of follow-up field and laboratory verification including a subset of soil samples that have been submitted for four-acid multi-element analysis.

The DOM’s Hill lithium project in the East Pilbara sits in a similar geological setting to that of Pilbara Minerals’ nearby 223 million tonne, 1.27 per cent Pilgangoora lithium project. Pilgangoora is nestled approximately 70km to the southeast of DOM’s Hill and according to the company has a similar suite of host rocks.

Soil sampling programs at both DOM’s Hill and Marble Bar were designed off the back of a reconnaissance portable XRF investigation completed on soil sample pulps, previously collected within the DOM’s Hill project area for gold exploration purposes. The pulps yielded anomalous results for a multitude of minerals that are typically associated with lithium.

Priority targets identified through portable XRF of the approximately 4,900 samples at the DOM’s Hill project are currently being subject to field validation checks with potential in-fill soil sampling campaigns in the planning phase.

Fifty per cent of the proposed 3700 soil samples to be collected from the Marble Bar campaign are currently complete with an estimated finish date of mid-December 2021.

A specialised “lithium index” function has been developed by Portable Spectral Services Pty Ltd that provides a “proxy” for lithium content in XRF analysis based on a correlation with a suite of rubidium, niobium, tantalum, gallium and caesium elements. The “lithium index” correlation is an important breakthrough for Kalamazoo as portable XRF is not able to directly test for lithium so the proxy provides a fast and efficient means of analysing results in the field before receiving assays back from the lab.

Kalamazoo is now focussed on advancing its lithium targets towards a drill-ready status by completing the Marble Bar soil sampling program, completing follow up laboratory assays, field mapping and drill permitting.

The market is going crazy for all things lithium right now, spurred on by a number of remarkable hard rock and brine discoveries around the world. If Kalamazoo can even get a hint of colour in its soil sampling program it will be game on for the ASX-listed junior explorer – and with nearly 9000 samples to be submitted, it has a hell of a lot of tickets in the draw.

With neighbours such as the Mineral Resources’ owned Wodgina lithium mine and Pilbara Minerals’ Pilgangoora lithium project it perhaps comes as no surprise that preliminary results are showing strong lithium indications – Now to let the drill rig do the talking.

Is your ASX-listed company doing something interesting? Contact: matt.birney@wanews.com.au

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