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Bradda Head Lithium identifies new lithium-bearing pegmatite zones

Published by , Editorial Assistant
Global Mining Review,


Bradda Head Lithium Ltd, the North America-focused lithium development group, has announced initial results from core drilling at San Domingo, Arizona.

This is the first set of assays released from the company’s current 6100 m programme, which is 65% complete. So far, assays have been received from only 14 holes totalling 993 m, with grades of up to 0.83% Li2O over 6.35 m and 1.03% Li2O over 3.05 m identified.

Highlights:

  • Preliminary core drilling was conducted at Midnight Owl, Bolt, and Lone Giant in the northern part of San Domingo, amounting to 1877 m in 22 shallow core holes.
  • This programme is follow-up core drilling to Midnight Owl’s previous programme that encountered 31.85 m @ 1.60% Li2O in hole SD-DH22-024 at a depth of 26.82 m.
  • Drill hole SD-DH23-049 at the Midnight Owl target discovered a new zone deeper than found in hole 24:
    • 6.35 m containing 0.83% Li2O at 87.33 m depth.
    • 3.05 m of 1.03% Li2O at 98.60 m depth.
  • Results from Midnight Owl also revealed tin and tantalum coinciding with pegmatites and lithium mineralisation.
  • Drill holes at the new Bolt target, located 800 m east of Midnight Owl include:
    • 5.27 m at 0.51% Li2O within a broader interval of 24.65 m carrying 0.24% Li2O.
    • 5.87 m containing 0.5% Li2O contained within 11.8 m of 0.32% Li2O.
  • Core holes at Bolt have detected anomalous levels of tantalum with intervals coincident to the lithium intercepts.

Ian Stalker, Executive Chair, commented:

“Our knowledge of this intriguing spodumene-rich pegmatite district grows as we announce our second phase drilling results, which auger well for future development. The initial batch of drill hole geochemistry provides us with an improved understanding of pegmatite characteristics and mineralogical zoning at San Domingo, particularly at the Midnight Owl and Bolt targets.

“The elevated Ta and Sn levels show encouragingly strong comparisons to LCT-type systems, evidence of our robust lithium pegmatite district. Importantly, both Midnight Owl and Bolt targets continue to provide opportunities to expand on the lithium mineralisation, with the goal of defining near surface resources.”

Read the article online at: https://www.globalminingreview.com/mining/13112023/bradda-head-lithium-identifies-new-lithium-bearing-pegmatite-zones/

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US mining news Lithium mining news