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Segue Resources discovers lithium and tantalum at Reid Well

Published: 11:00 16 Mar 2017 AEDT

segue-resources_shay-the-rock-chipper-757
Shay the rock chipper

Segue Resources (ASX:SEG) has discovered significant lithium‐caesium-tantalum (LCT) mineralisation at the Reid Well prospect within the Gascoyne Lithium Project in Western Australia.

Assays from the first batch of rock chips from Reid Well have exhibited 1.02% lithium oxide and 530ppm tantalum pentoxide.

The rock chips were collected as part of a detailed soil sampling program which was designed to follow up on the high priority Reid Well stream sediment anomaly.

Segue is currently completing a petrologic study on the results and is also expecting assays from a second batch of 64 samples collected from an adjacent pegmatite outcrop.

In addition to the rock chips, a total of 1,524 soil samples were collected over the greater Reid Well prospect area and the assay results are expected by mid‐April.


Rock chip results

The 65 rock chips were collected from the outcropping outer margin of a pegmatite covering 1,000x250 metres within Segue’s 100% owned tenement application E09/2169. 

A total of 12 samples returned lithium results above 0.3% lithium oxide with associated elevated caesium and rubidium.

In addition, two‐thirds of the samples contained tantalum grades of over 100ppm tantalum pentoxide peaking at 530ppm.


Next steps

Segue is currently completing a petrologic study of the 12 rock chips with lithium assays above 0.3% lithium oxide to confirm mineralogy and determine the lithium minerals present.

The study is expected to be completed within three weeks.

A second batch of rock chips have been collected from an adjacent pegmatite outcrop with assay results from the batch of 64 rock chips samples expected in early April.

In addition to the rock chips, a total of 1,524 soil samples were collected over the greater Reid Well prospect area that are currently being assayed, with the results expected by mid‐April.

The results of the soil and rock chip samples should help delineate the extents and potentially the different chemical zonations present within the mineralised pegmatite.


Analysis

The assay results from Reid Well are comparable to lithium‐antalum deposits around the world, including Pilgangoora and Mt Cattlin in Western Australia and the Rose Project in Canada.

The potential for high grade tantalum and alluvial tantalum in addition to the lithium at Reid Well is considered by Segue to be significant.

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