Hexagon Resources Ltd (ASX:HXG) has received positive drilling results from mineral resource zones and exploration targets within the McIntosh joint venture graphite project in the east Kimberley of WA.
The drilling was undertaken at the mineral resource areas of Emperor and Wahoo in order to collect metallurgical samples and increase confidence.
This program was also designed to test two exploration prospects available for drilling - Mahi Mahi and Threadfin.
The JV expects an updated mineral resource estimate will be completed in mid-March.
Metallurgical sample results
To advance concentrate marketing activities, development of the flow sheet and downstream processing test work, it is necessary to have access to large quantities of mineralised samples.
The JV now has a sample inventory of nearly 14 tonnes related to the mineral resources and nearly 1 tonne from the exploration prospects.
Drilling has provided important sample material and generated several significant mineralised intersections from infill and extensional drill tests.
The mineralisation trends around a major north-plunging regional anti-form with Emperor on the southeast limb and Wahoo on the northwest limb.
Emperor is the main mineral resource under evaluation as part of the feasibility study with notable intersections including:
8 metres at 9.1% total graphitic carbon (TGC) from 140 metres;
18 metres at 7.3% from 113 metres; and
53 metres at 6.2% from 138 metres.
The Wahoo prospect returned the following:
6 metres at 6.6% TGC from 69 metres;
6 metres at 6.4% from 50 metres; and
3 metres at 7% from 31 metres.
Drilling of exploration targets was restricted to Threadfin and Mahi Mahi due to limited heritage clearance surveys, however, further surveys are planned for later this year to open up new prospects for testing.
MinRes is undertaking the following activities following completion of the recent drill program:
Metallurgical test work – comprising a progressive program to pilot scale tests, flake size analysis to generate a sound forecast for each deposit, and mineral liberation analysis (MLA) for samples to create benchmark parameters for the deposits where floatation test work has been undertaken;
Resource update work – comprising assessing earlier drill results to update the mineral resource estimate and produce resource upgrades where applicable and planning for additional reverse circulation drilling to delineate along strike extensions to Emperor; and
Exploration work – comprising planning of heritage clearance surveys and drill program to test the EM anomalies that occur along strike from the graphite occurrences.
- Jessica Cummins