Kingfisher Mining Limited (ASX:KFM) has confirmed significant high-grade clay hosted REE in follow-up RC drilling at the Mick Well projects in the Gascoyne Mineral Field in Western Australia.
“We continue to be amazed by the underlying potential of our Gascoyne projects. In addition to the very high-grade hard rock assays recently reported, these latest drill results have confirmed broad zones of clays containing a second style of REE mineralisation at Mick Well,” Executive Director and CEO, James Farrell, said.
“We now recognise that the clay and hard rock mineralisation are part of the same large-scale system, with the clay mineralisation hosted in broad structures within our 54km target corridor indicating the potential for larger mineralised carbonatite intrusions at depth.
“Our fieldwork which is targeting the exceptionally high-grade hard rock monazite mineralisation in the MW2 area is continuing. This work remains a priority as we seek to discover new areas of outcropping mineralisation and extend the recently discovered REE lodes that remain open in all directions.”
Mick Well Drilling Results Follow-up reverse circulation (RC) drilling at Mick Well has confirmed the broad zones of clay hosted REE mineralisation at Mick Well.
The mineralisation is associated with kaolinite clays and weathered bedrock within the shear zones which are part of the Company’s 54km REE target corridor.
Significant new results from the clay mineralisation include:
• MWRC030: 24m at 2345 ppm TREO with 470 ppm Nd2O3 + Pr6O11 from surface.
• MWRC028: 48m at 1076 ppm TREO with 204 ppm Nd2O3 + Pr6O11, including 16m at 1580 ppm TREO with 325 ppm Nd2O3 + Pr6O11 from surface.
• MWRC027: 36m at 779 ppm TREO with 164 ppm Nd2O3 + Pr6O11 from 4m.
• MWRC029: 20m at 734 ppm TREO with 146 ppm Nd2O3 + Pr6O11 from 32m, including 4m at 1020 ppm TREO with 237 ppm Nd2O3 + Pr6O11 from 48m.
The new drill hole results add significantly to the previously reported Mick Well results which included:
• MWRC020: 48m at 1265 ppm TREO with 257 ppm Nd2O3 + Pr6O11 from 4m, including 40m at 1367 ppm TREO with 278 ppm Nd2O3 + Pr6O11 from 8m.
• MWRC021: 16m at 1156 ppm TREO with 228 ppm Nd2O3 + Pr6O11 from 8m, including 12m at 1301 ppm TREO with 259 ppm Nd2O3 + Pr6O11 from 8m
The interpretation of the shear zone and associated clay mineralisation has highlighted a potential strike length of 6.5km at Mick Well and drilling has delineated widths of 100m with vertical extents to 40m depth from surface. The 100m width of the clay zone was highlighted by drill hole MWRC029, which was collared in rock and passed into the clays at 30m downhole.
The current programme has also highlighted the association between the high grade REE mineralisation at MW2 and the clay mineralisation at Mick Well. Both styles of mineralisation are now recognised to be part of the same mineral system, occurring in related geological structures, with potential for both styles of mineralisation within structures that make up the 54km target corridor. The clay mineralisation has developed in areas of deep weathering of the carbonatites and associated intense alteration which filled the belt-scale shears.
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