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  • Junior explorer Castle Minerals (CDT) commences a 46-hole, 4800-metre RC drilling program at its Kambale graphite project in Ghana
  • The key objective is to expand footprint of the deposit by testing several new high conductivity zones that extend well outside of the known mineralisation boundary
  • Managing Director Stephen Stone says the drilling program will provide fresh, unoxidised material for the next round of test work
  • Subject to test work results, a detailed analysis and characterisation of the concentrate will be undertaken as a prelude to a high-level market positioning assessment and the development of a preliminary processing flowsheet
  • Shares in Castle Minerals were down 11.54 per cent to 2.3 cents as of 10:34 am AEST

Junior explorer Castle Minerals (CDT) has commenced a 46-hole, 4800-metre reverse circulation (RC) drilling program at its Kambale graphite project in Ghana.

Located six kilometres west of the Upper West regional capital of Wa, the project was identified in the 1960s by Russian geologists prospecting for manganese.

The key objective of the drilling campaign is to expand the footprint of the deposit by testing several new high conductivity zones that extend north and south and well outside of the existing JORC 2004 Inferred Resource and known mineralisation boundary.

These zones were identified during a recently completed ground electromagnetic (HLEM) survey which demonstrated a strong correlation between known graphite mineralisation and zones of high conductivity.

Managing Director Stephen Stone said the drilling program will provide fresh, unoxidised material for the next round of test work.

“We have high expectations that we can expand the footprint and size of the Kambale deposit and, whilst still early days, indications are that the project ticks a number of geological, metallurgical, logistical and jurisdictional boxes that would underpin any development ambitions,” Mr Stone said.

“The advance of the Kambale project coincides with a consensus view of a looming graphite supply deficit underpinned by the burgeoning growth of EV vehicles and power storage devices.”

The drilling will also provide valuable information on graphite quality distribution and aid in identifying locations for the proposed recovery of some 500 metres of diamond core to provide fresh, unoxidised material for the next round of metallurgical test work and bench-scale concentrate production.

Subject to test work results, a detailed analysis and characterisation of the concentrate will be undertaken as a prelude to a high-level market positioning assessment and the development of a preliminary processing flowsheet.

It is also intended to calculate a JORC 2012 “Exploration Target” and with that a road map for a review and update of current Inferred Resources JORC 2004, subject to drilling results.

Shares in Castle Minerals were down 11.54 per cent to 2.3 cents as of 10:34 am AEST.

CDT by the numbers
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