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Location: 75 km NE from Halls Creek, Western Australia, Australia
349 Hay StreetSubiacoWestern Australia, Australia6008
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The McIntosh Graphite Project is being developed by GCM via its earn-in rights from the Binding Terms Sheet (BTS) between GCM and Hexagon Energy Materials Limited (now NH3 Clean Energy, NH3CE). Under the BTS, GCM has achieved its earn in right of 80% interest in the Graphite Mineral Rights only across NH3CE’s McIntosh Project tenements. The exploration tenements will remain wholly held/managed by NH3CE.
The BTS allows for the parties to enter into an unincorporated Earn-In and Joint Venture Agreement (EIJVA), which includes terms for the party with the majority rights to be the EIJVA Manager and for the mining permit to be held by the EIJVA.
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The McIntosh Graphite Project site contains a number of graphite mineral deposits and exploration targets, including the Emperor, Wahoo, Longtom, Barracuda, Marlin, Threadfin and Mahi-Mahi deposits.Two of the McIntosh Graphite Project’s five mineral resources were updated as part of the 2025 PFS. The deposits to be mined are Wahoo and Emperor.The McIntosh Graphite Project is located in the East Kimberley region of Western Australia approximately 75km northeast of Halls Creek. The graphite mineralisation occurs as graphitic schist horizons within the high-grade metamorphic terrain of the Halls Creek Mobile Zone of Western Australia. The host stratigraphy is the Tickalara Metamorphics which extend for approximately 130 km along the western side of the major Halls Creek Fault. The metamorphic rocks reach granulite metamorphic facies under conditions of hightemperature and high pressure although the metamorphic grade in the McIntosh Graphite Project area appears to be largely upper amphibolite facies. The stratigraphy is variably folded generally around NNW to NNE trending fold-axes.The mineralisation has been described as a series of stacked graphitic schist horizons hosted within amphibolite facies that have been deformed into an anticlinal structure.Deposit Geology - EmperorGraphite at the Emperor deposit is hosted within a graphitic schist unit within a strongly metamorphosed metasedimentary sequence. Flake graphite mineralisation is associated with a regional scale fold hinge (anticline). The deposit area has subsequently had several mafic intrusions.Deposit Geology - WahooGraphite mineralisation at Wahoo is hosted within a graphitic schist unit within a strongly metamorphosed metasedimentary sequence. The geology and mineralisation dips to the south-west at an angle of approximately 40 degrees A mafic intrusion cuts through the surrounding geology and mineralisation.Resource Dimensions and Open MineralisationThe Emperor resource extends 520m North-West to South-East. The mineralisation follows the anticline of the hosting graphite schist units ranging in thickness between 5m and 70m. Mineralisation is open along strike and at depth along the fold limbs. A new discoveries do indicate that the Emperor resource has the potential to substantially increase in size.The Wahoo resource extends 300m West-South-West to East-North-East dipping to the South-East. The mineralisation follows the bedding of the hosting graphite schist units ranging in thickness between 5m and 15m. Mineralisation is open to the southwest.
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